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author Patrick J Volkerding <volkerdi@slackware.com>2020-11-06 21:25:18 +0000
committer Eric Hameleers <alien@slackware.com>2020-11-07 08:59:53 +0100
commitaae320a395fbbe0be771ead4963da6d61e50c5ae (patch)
treeb28a177d33110ca0705d049a3bc6fac06034799e /source/xap/mozilla-thunderbird/rust_1.47.0.patch
parent1e2b70eb9ad995e99d86e49d96104c090a860709 (diff)
downloadcurrent-aae320a395fbbe0be771ead4963da6d61e50c5ae.tar.gz
current-aae320a395fbbe0be771ead4963da6d61e50c5ae.tar.xz
Fri Nov 6 21:25:18 UTC 202020201106212518
d/rust-1.47.0-x86_64-2.txz: Rebuilt. Switch back to Rust 1.47.0 now that patches are available to fix Firefox and Thunderbird. xap/mozilla-thunderbird-78.4.1-x86_64-1.txz: Upgraded. This is a bugfix release. For more information, see: https://www.mozilla.org/en-US/thunderbird/78.4.1/releasenotes/
Diffstat (limited to 'source/xap/mozilla-thunderbird/rust_1.47.0.patch')
-rw-r--r--source/xap/mozilla-thunderbird/rust_1.47.0.patch30905
1 files changed, 30905 insertions, 0 deletions
diff --git a/source/xap/mozilla-thunderbird/rust_1.47.0.patch b/source/xap/mozilla-thunderbird/rust_1.47.0.patch
new file mode 100644
index 00000000..9471b7bd
--- /dev/null
+++ b/source/xap/mozilla-thunderbird/rust_1.47.0.patch
@@ -0,0 +1,30905 @@
+From 83fc2e3616ef15056be74f056a15e892038809b9 Mon Sep 17 00:00:00 2001
+From: Thomas Deutschmann <whissi@gentoo.org>
+Date: Sat, 10 Oct 2020 16:10:20 +0200
+Subject: [PATCH 38/38] bmo#1663715: Update syn and proc-macro2 so that Firefox
+ can build on Rust nightly again
+
+Link: https://bugzilla.mozilla.org/show_bug.cgi?id=1663715#c7
+Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
+---
+ Cargo.lock | 8 +-
+ .../rust/lucet-wasi/.cargo-checksum.json | 2 +-
+ .../rust/packed_simd/.cargo-checksum.json | 2 +-
+ .../rust/proc-macro2/.cargo-checksum.json | 2 +-
+ third_party/rust/proc-macro2/Cargo.toml | 15 +-
+ third_party/rust/proc-macro2/README.md | 2 +-
+ third_party/rust/proc-macro2/build.rs | 20 +
+ third_party/rust/proc-macro2/src/detection.rs | 67 +
+ third_party/rust/proc-macro2/src/fallback.rs | 1010 ++----
+ third_party/rust/proc-macro2/src/lib.rs | 225 +-
+ third_party/rust/proc-macro2/src/marker.rs | 18 +
+ third_party/rust/proc-macro2/src/parse.rs | 849 +++++
+ third_party/rust/proc-macro2/src/strnom.rs | 391 ---
+ third_party/rust/proc-macro2/src/wrapper.rs | 258 +-
+ .../rust/proc-macro2/tests/comments.rs | 103 +
+ third_party/rust/proc-macro2/tests/marker.rs | 33 +
+ third_party/rust/proc-macro2/tests/test.rs | 240 +-
+ .../rust/proc-macro2/tests/test_fmt.rs | 26 +
+ .../spirv-cross-internal/.cargo-checksum.json | 2 +-
+ third_party/rust/syn/.cargo-checksum.json | 2 +-
+ third_party/rust/syn/Cargo.toml | 35 +-
+ third_party/rust/syn/README.md | 16 +-
+ third_party/rust/syn/benches/file.rs | 7 +
+ third_party/rust/syn/benches/rust.rs | 45 +-
+ third_party/rust/syn/build.rs | 38 +-
+ third_party/rust/syn/src/attr.rs | 126 +-
+ third_party/rust/syn/src/buffer.rs | 56 +-
+ third_party/rust/syn/src/custom_keyword.rs | 12 +-
+ .../rust/syn/src/custom_punctuation.rs | 50 +-
+ third_party/rust/syn/src/data.rs | 96 +-
+ third_party/rust/syn/src/derive.rs | 10 +-
+ third_party/rust/syn/src/discouraged.rs | 27 +-
+ third_party/rust/syn/src/error.rs | 33 +-
+ third_party/rust/syn/src/expr.rs | 826 +++--
+ third_party/rust/syn/src/ext.rs | 12 +-
+ third_party/rust/syn/src/file.rs | 4 +-
+ third_party/rust/syn/src/gen/clone.rs | 2051 ++++++++++++
+ third_party/rust/syn/src/gen/debug.rs | 2857 +++++++++++++++++
+ third_party/rust/syn/src/gen/eq.rs | 1930 +++++++++++
+ third_party/rust/syn/src/gen/fold.rs | 287 +-
+ third_party/rust/syn/src/gen/hash.rs | 2691 ++++++++++++++++
+ third_party/rust/syn/src/gen/visit.rs | 19 +-
+ third_party/rust/syn/src/gen/visit_mut.rs | 19 +-
+ third_party/rust/syn/src/generics.rs | 255 +-
+ third_party/rust/syn/src/item.rs | 1515 +++++----
+ third_party/rust/syn/src/keyword.rs | 0
+ third_party/rust/syn/src/lib.rs | 109 +-
+ third_party/rust/syn/src/lifetime.rs | 13 +-
+ third_party/rust/syn/src/lit.rs | 581 ++--
+ third_party/rust/syn/src/mac.rs | 55 +-
+ third_party/rust/syn/src/macros.rs | 61 +-
+ third_party/rust/syn/src/op.rs | 6 +-
+ third_party/rust/syn/src/parse.rs | 211 +-
+ third_party/rust/syn/src/parse_macro_input.rs | 32 +-
+ third_party/rust/syn/src/parse_quote.rs | 15 +-
+ third_party/rust/syn/src/pat.rs | 313 +-
+ third_party/rust/syn/src/path.rs | 33 +-
+ third_party/rust/syn/src/punctuated.rs | 123 +-
+ third_party/rust/syn/src/reserved.rs | 42 +
+ third_party/rust/syn/src/spanned.rs | 4 +-
+ third_party/rust/syn/src/stmt.rs | 141 +-
+ third_party/rust/syn/src/token.rs | 99 +-
+ third_party/rust/syn/src/tt.rs | 6 +-
+ third_party/rust/syn/src/ty.rs | 364 ++-
+ third_party/rust/syn/src/verbatim.rs | 15 +
+ third_party/rust/syn/src/whitespace.rs | 65 +
+ third_party/rust/syn/tests/clone.sh | 16 -
+ third_party/rust/syn/tests/common/eq.rs | 247 +-
+ third_party/rust/syn/tests/common/mod.rs | 13 +
+ third_party/rust/syn/tests/common/parse.rs | 24 +-
+ third_party/rust/syn/tests/debug/gen.rs | 50 +-
+ third_party/rust/syn/tests/debug/mod.rs | 17 +-
+ third_party/rust/syn/tests/features/error.rs | 1 -
+ third_party/rust/syn/tests/features/mod.rs | 22 -
+ third_party/rust/syn/tests/macros/mod.rs | 8 +-
+ third_party/rust/syn/tests/repo/mod.rs | 137 +-
+ third_party/rust/syn/tests/repo/progress.rs | 37 +
+ third_party/rust/syn/tests/test_asyncness.rs | 38 +-
+ third_party/rust/syn/tests/test_attribute.rs | 452 +--
+ .../rust/syn/tests/test_derive_input.rs | 1321 ++++----
+ third_party/rust/syn/tests/test_expr.rs | 314 +-
+ third_party/rust/syn/tests/test_generics.rs | 371 ++-
+ third_party/rust/syn/tests/test_grouping.rs | 53 +-
+ third_party/rust/syn/tests/test_ident.rs | 5 -
+ third_party/rust/syn/tests/test_item.rs | 45 +
+ third_party/rust/syn/tests/test_iterators.rs | 7 +-
+ third_party/rust/syn/tests/test_lit.rs | 75 +-
+ third_party/rust/syn/tests/test_meta.rs | 498 ++-
+ .../rust/syn/tests/test_parse_buffer.rs | 41 +-
+ .../rust/syn/tests/test_parse_stream.rs | 12 +
+ third_party/rust/syn/tests/test_pat.rs | 27 +-
+ third_party/rust/syn/tests/test_path.rs | 52 +
+ third_party/rust/syn/tests/test_precedence.rs | 196 +-
+ third_party/rust/syn/tests/test_receiver.rs | 127 +
+ third_party/rust/syn/tests/test_round_trip.rs | 41 +-
+ third_party/rust/syn/tests/test_shebang.rs | 59 +
+ .../rust/syn/tests/test_should_parse.rs | 4 -
+ third_party/rust/syn/tests/test_size.rs | 2 -
+ third_party/rust/syn/tests/test_stmt.rs | 44 +
+ .../rust/syn/tests/test_token_trees.rs | 12 +-
+ third_party/rust/syn/tests/test_ty.rs | 53 +
+ third_party/rust/syn/tests/test_visibility.rs | 145 +
+ third_party/rust/syn/tests/zzz_stable.rs | 4 +-
+ 103 files changed, 17319 insertions(+), 5831 deletions(-)
+ create mode 100644 third_party/rust/proc-macro2/src/detection.rs
+ create mode 100644 third_party/rust/proc-macro2/src/marker.rs
+ create mode 100644 third_party/rust/proc-macro2/src/parse.rs
+ delete mode 100644 third_party/rust/proc-macro2/src/strnom.rs
+ create mode 100644 third_party/rust/proc-macro2/tests/comments.rs
+ create mode 100644 third_party/rust/proc-macro2/tests/test_fmt.rs
+ create mode 100644 third_party/rust/syn/src/gen/clone.rs
+ create mode 100644 third_party/rust/syn/src/gen/debug.rs
+ create mode 100644 third_party/rust/syn/src/gen/eq.rs
+ create mode 100644 third_party/rust/syn/src/gen/hash.rs
+ delete mode 100644 third_party/rust/syn/src/keyword.rs
+ create mode 100644 third_party/rust/syn/src/reserved.rs
+ create mode 100644 third_party/rust/syn/src/verbatim.rs
+ create mode 100644 third_party/rust/syn/src/whitespace.rs
+ delete mode 100755 third_party/rust/syn/tests/clone.sh
+ delete mode 100644 third_party/rust/syn/tests/features/error.rs
+ delete mode 100644 third_party/rust/syn/tests/features/mod.rs
+ create mode 100644 third_party/rust/syn/tests/repo/progress.rs
+ create mode 100644 third_party/rust/syn/tests/test_item.rs
+ create mode 100644 third_party/rust/syn/tests/test_parse_stream.rs
+ create mode 100644 third_party/rust/syn/tests/test_path.rs
+ create mode 100644 third_party/rust/syn/tests/test_receiver.rs
+ create mode 100644 third_party/rust/syn/tests/test_shebang.rs
+ create mode 100644 third_party/rust/syn/tests/test_stmt.rs
+ create mode 100644 third_party/rust/syn/tests/test_ty.rs
+ create mode 100644 third_party/rust/syn/tests/test_visibility.rs
+
+diff --git a/Cargo.lock b/Cargo.lock
+index 19117e8368..d5fe0f6457 100644
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -3717,9 +3717,9 @@ dependencies = [
+
+ [[package]]
+ name = "proc-macro2"
+-version = "1.0.5"
++version = "1.0.24"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "90cf5f418035b98e655e9cdb225047638296b862b42411c4e45bb88d700f7fc0"
++checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+ dependencies = [
+ "unicode-xid",
+ ]
+@@ -4647,9 +4647,9 @@ dependencies = [
+
+ [[package]]
+ name = "syn"
+-version = "1.0.5"
++version = "1.0.40"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "66850e97125af79138385e9b88339cbcd037e3f28ceab8c5ad98e64f0f1f80bf"
++checksum = "963f7d3cc59b59b9325165add223142bbf1df27655d07789f109896d353d8350"
+ dependencies = [
+ "proc-macro2",
+ "quote",
+diff --git a/third_party/rust/lucet-wasi/.cargo-checksum.json b/third_party/rust/lucet-wasi/.cargo-checksum.json
+index 229fc9978c..2c8c0a3c22 100644
+--- a/third_party/rust/lucet-wasi/.cargo-checksum.json
++++ b/third_party/rust/lucet-wasi/.cargo-checksum.json
+@@ -1 +1 @@
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+\ No newline at end of file
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+diff --git a/third_party/rust/packed_simd/.cargo-checksum.json b/third_party/rust/packed_simd/.cargo-checksum.json
+index 01afcc1efd..c727a10006 100644
+--- a/third_party/rust/packed_simd/.cargo-checksum.json
++++ b/third_party/rust/packed_simd/.cargo-checksum.json
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+\ No newline at end of file
+diff --git a/third_party/rust/proc-macro2/.cargo-checksum.json b/third_party/rust/proc-macro2/.cargo-checksum.json
+index eeef4120af..e7849f2896 100644
+--- a/third_party/rust/proc-macro2/.cargo-checksum.json
++++ b/third_party/rust/proc-macro2/.cargo-checksum.json
+@@ -1 +1 @@
+-{"files":{"Cargo.toml":"e2c1fc6ed317eeef8462fcd192f6b6389e1d84f0d7afeac78f12c23903deddf8","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"378f5840b258e2779c39418f3f2d7b2ba96f1c7917dd6be0713f88305dbda397","README.md":"362a2156f7645528061b6e8487a2eb0f32f1693012ed82ee57afa05c039bba0d","build.rs":"0cc6e2cb919ddbff59cf1d810283939f97a59f0037540c0f2ee3453237635ff8","src/fallback.rs":"5c6379a90735e27abcc40253b223158c6b1e5784f3850bc423335363e87ef038","src/lib.rs":"ae5251296ad3fcd8b600919a993fec0afd8b56da3e11fef6bc7265b273129936","src/strnom.rs":"37f7791f73f123817ad5403af1d4e2a0714be27401729a2d451bc80b1f26bac9","src/wrapper.rs":"81372e910604217a625aa71c47d43e65f4e008456eae93ac39325c9abf10701a","tests/features.rs":"a86deb8644992a4eb64d9fd493eff16f9cf9c5cb6ade3a634ce0c990cf87d559","tests/marker.rs":"c2652e3ae1dfcb94d2e6313b29712c5dcbd0fe62026913e67bb7cebd7560aade","tests/test.rs":"8c427be9cba1fa8d4a16647e53e3545e5863e29e2c0b311c93c9dd1399abf6a1"},"package":"90cf5f418035b98e655e9cdb225047638296b862b42411c4e45bb88d700f7fc0"}
+\ No newline at end of file
++{"files":{"Cargo.toml":"302d447d62c8d091d6241cf62bdad607c0d4ed8ff9f43d9b254c9d99c253ee8e","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"378f5840b258e2779c39418f3f2d7b2ba96f1c7917dd6be0713f88305dbda397","README.md":"e1f9d4fc22cff2c049f166a403b41458632a94357890d31cf0e3ad83807fb430","build.rs":"a71283fbc495095eebbbf46753df3fe2c19505c745b508dea157f65796b64dd7","src/detection.rs":"9d25d896889e65330858f2d6f6223c1b98cd1dad189813ad4161ff189fbda2b8","src/fallback.rs":"b114e013695260f6066395c8712cea112ec2a386010397a80f15a60f8b986444","src/lib.rs":"7f528764a958587f007f0c2a330a6a414bae2c8e73d5ed9fb64ff1b42b1805b1","src/marker.rs":"87fce2d0357f5b7998b6d9dfb064f4a0cbc9dabb19e33d4b514a446243ebe2e8","src/parse.rs":"1d2253eacbd40eb3a2a933be2adcee356af922bdb48cc89ff266252a41fd98a1","src/wrapper.rs":"f52646ce1705c1f6265516f30d4c43297b5f529dd31fb91f4c806be89d5a4122","tests/comments.rs":"ea6cbe6f4c8852e6a0612893c7d4f2c144a2e6a134a6c3db641a320cbfc3c800","tests/features.rs":"a86deb8644992a4eb64d9fd493eff16f9cf9c5cb6ade3a634ce0c990cf87d559","tests/marker.rs":"652db9f25c69ffc65baa60cdca8f195aa2e254d4de0a9ddc85de4dc2470544b6","tests/test.rs":"5f30a704eeb2b9198b57f416d622da72d25cb9bf8d8b12e6d0e90aa2cb0e43fc","tests/test_fmt.rs":"745dfdc41d09c5308c221395eb43f2041f0a1413d2927a813bc2ad4554438fe2"},"package":"1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"}
+\ No newline at end of file
+diff --git a/third_party/rust/proc-macro2/Cargo.toml b/third_party/rust/proc-macro2/Cargo.toml
+index 95d653633d..22150c516a 100644
+--- a/third_party/rust/proc-macro2/Cargo.toml
++++ b/third_party/rust/proc-macro2/Cargo.toml
+@@ -13,21 +13,22 @@
+ [package]
+ edition = "2018"
+ name = "proc-macro2"
+-version = "1.0.5"
+-authors = ["Alex Crichton <alex@alexcrichton.com>"]
+-description = "A stable implementation of the upcoming new `proc_macro` API. Comes with an\noption, off by default, to also reimplement itself in terms of the upstream\nunstable API.\n"
+-homepage = "https://github.com/alexcrichton/proc-macro2"
++version = "1.0.24"
++authors = ["Alex Crichton <alex@alexcrichton.com>", "David Tolnay <dtolnay@gmail.com>"]
++description = "A substitute implementation of the compiler's `proc_macro` API to decouple\ntoken-based libraries from the procedural macro use case.\n"
+ documentation = "https://docs.rs/proc-macro2"
+ readme = "README.md"
+ keywords = ["macros"]
++categories = ["development-tools::procedural-macro-helpers"]
+ license = "MIT OR Apache-2.0"
+ repository = "https://github.com/alexcrichton/proc-macro2"
+ [package.metadata.docs.rs]
+ rustc-args = ["--cfg", "procmacro2_semver_exempt"]
+ rustdoc-args = ["--cfg", "procmacro2_semver_exempt"]
++targets = ["x86_64-unknown-linux-gnu"]
+
+-[lib]
+-name = "proc_macro2"
++[package.metadata.playground]
++features = ["span-locations"]
+ [dependencies.unicode-xid]
+ version = "0.2"
+ [dev-dependencies.quote]
+@@ -39,5 +40,3 @@ default = ["proc-macro"]
+ nightly = []
+ proc-macro = []
+ span-locations = []
+-[badges.travis-ci]
+-repository = "alexcrichton/proc-macro2"
+diff --git a/third_party/rust/proc-macro2/README.md b/third_party/rust/proc-macro2/README.md
+index 19b0c3b5f8..3d05e871a7 100644
+--- a/third_party/rust/proc-macro2/README.md
++++ b/third_party/rust/proc-macro2/README.md
+@@ -1,6 +1,6 @@
+ # proc-macro2
+
+-[![Build Status](https://api.travis-ci.com/alexcrichton/proc-macro2.svg?branch=master)](https://travis-ci.com/alexcrichton/proc-macro2)
++[![Build Status](https://img.shields.io/github/workflow/status/alexcrichton/proc-macro2/build%20and%20test)](https://github.com/alexcrichton/proc-macro2/actions)
+ [![Latest Version](https://img.shields.io/crates/v/proc-macro2.svg)](https://crates.io/crates/proc-macro2)
+ [![Rust Documentation](https://img.shields.io/badge/api-rustdoc-blue.svg)](https://docs.rs/proc-macro2)
+
+diff --git a/third_party/rust/proc-macro2/build.rs b/third_party/rust/proc-macro2/build.rs
+index deb9b92719..b247d874f6 100644
+--- a/third_party/rust/proc-macro2/build.rs
++++ b/third_party/rust/proc-macro2/build.rs
+@@ -14,6 +14,10 @@
+ // procmacro2_semver_exempt surface area is implemented by using the
+ // nightly-only proc_macro API.
+ //
++// "hygiene"
++// Enable Span::mixed_site() and non-dummy behavior of Span::resolved_at
++// and Span::located_at. Enabled on Rust 1.45+.
++//
+ // "proc_macro_span"
+ // Enable non-dummy behavior of Span::start and Span::end methods which
+ // requires an unstable compiler feature. Enabled when building with
+@@ -57,6 +61,22 @@ fn main() {
+ println!("cargo:rustc-cfg=span_locations");
+ }
+
++ if version.minor < 32 {
++ println!("cargo:rustc-cfg=no_libprocmacro_unwind_safe");
++ }
++
++ if version.minor < 39 {
++ println!("cargo:rustc-cfg=no_bind_by_move_pattern_guard");
++ }
++
++ if version.minor >= 44 {
++ println!("cargo:rustc-cfg=lexerror_display");
++ }
++
++ if version.minor >= 45 {
++ println!("cargo:rustc-cfg=hygiene");
++ }
++
+ let target = env::var("TARGET").unwrap();
+ if !enable_use_proc_macro(&target) {
+ return;
+diff --git a/third_party/rust/proc-macro2/src/detection.rs b/third_party/rust/proc-macro2/src/detection.rs
+new file mode 100644
+index 0000000000..c597bc99c6
+--- /dev/null
++++ b/third_party/rust/proc-macro2/src/detection.rs
+@@ -0,0 +1,67 @@
++use std::panic::{self, PanicInfo};
++use std::sync::atomic::*;
++use std::sync::Once;
++
++static WORKS: AtomicUsize = AtomicUsize::new(0);
++static INIT: Once = Once::new();
++
++pub(crate) fn inside_proc_macro() -> bool {
++ match WORKS.load(Ordering::SeqCst) {
++ 1 => return false,
++ 2 => return true,
++ _ => {}
++ }
++
++ INIT.call_once(initialize);
++ inside_proc_macro()
++}
++
++pub(crate) fn force_fallback() {
++ WORKS.store(1, Ordering::SeqCst);
++}
++
++pub(crate) fn unforce_fallback() {
++ initialize();
++}
++
++// Swap in a null panic hook to avoid printing "thread panicked" to stderr,
++// then use catch_unwind to determine whether the compiler's proc_macro is
++// working. When proc-macro2 is used from outside of a procedural macro all
++// of the proc_macro crate's APIs currently panic.
++//
++// The Once is to prevent the possibility of this ordering:
++//
++// thread 1 calls take_hook, gets the user's original hook
++// thread 1 calls set_hook with the null hook
++// thread 2 calls take_hook, thinks null hook is the original hook
++// thread 2 calls set_hook with the null hook
++// thread 1 calls set_hook with the actual original hook
++// thread 2 calls set_hook with what it thinks is the original hook
++//
++// in which the user's hook has been lost.
++//
++// There is still a race condition where a panic in a different thread can
++// happen during the interval that the user's original panic hook is
++// unregistered such that their hook is incorrectly not called. This is
++// sufficiently unlikely and less bad than printing panic messages to stderr
++// on correct use of this crate. Maybe there is a libstd feature request
++// here. For now, if a user needs to guarantee that this failure mode does
++// not occur, they need to call e.g. `proc_macro2::Span::call_site()` from
++// the main thread before launching any other threads.
++fn initialize() {
++ type PanicHook = dyn Fn(&PanicInfo) + Sync + Send + 'static;
++
++ let null_hook: Box<PanicHook> = Box::new(|_panic_info| { /* ignore */ });
++ let sanity_check = &*null_hook as *const PanicHook;
++ let original_hook = panic::take_hook();
++ panic::set_hook(null_hook);
++
++ let works = panic::catch_unwind(proc_macro::Span::call_site).is_ok();
++ WORKS.store(works as usize + 1, Ordering::SeqCst);
++
++ let hopefully_null_hook = panic::take_hook();
++ panic::set_hook(original_hook);
++ if sanity_check != &*hopefully_null_hook {
++ panic!("observed race condition in proc_macro2::inside_proc_macro");
++ }
++}
+diff --git a/third_party/rust/proc-macro2/src/fallback.rs b/third_party/rust/proc-macro2/src/fallback.rs
+index fe582b3b5f..8900c5ff0f 100644
+--- a/third_party/rust/proc-macro2/src/fallback.rs
++++ b/third_party/rust/proc-macro2/src/fallback.rs
+@@ -1,27 +1,41 @@
++use crate::parse::{token_stream, Cursor};
++use crate::{Delimiter, Spacing, TokenTree};
+ #[cfg(span_locations)]
+ use std::cell::RefCell;
+ #[cfg(span_locations)]
+ use std::cmp;
+-use std::fmt;
+-use std::iter;
++use std::fmt::{self, Debug, Display};
++use std::iter::FromIterator;
++use std::mem;
+ use std::ops::RangeBounds;
+ #[cfg(procmacro2_semver_exempt)]
+ use std::path::Path;
+ use std::path::PathBuf;
+ use std::str::FromStr;
+ use std::vec;
+-
+-use crate::strnom::{block_comment, skip_whitespace, whitespace, word_break, Cursor, PResult};
+-use crate::{Delimiter, Punct, Spacing, TokenTree};
+ use unicode_xid::UnicodeXID;
+
++/// Force use of proc-macro2's fallback implementation of the API for now, even
++/// if the compiler's implementation is available.
++pub fn force() {
++ #[cfg(wrap_proc_macro)]
++ crate::detection::force_fallback();
++}
++
++/// Resume using the compiler's implementation of the proc macro API if it is
++/// available.
++pub fn unforce() {
++ #[cfg(wrap_proc_macro)]
++ crate::detection::unforce_fallback();
++}
++
+ #[derive(Clone)]
+-pub struct TokenStream {
+- inner: Vec<TokenTree>,
++pub(crate) struct TokenStream {
++ pub(crate) inner: Vec<TokenTree>,
+ }
+
+ #[derive(Debug)]
+-pub struct LexError;
++pub(crate) struct LexError;
+
+ impl TokenStream {
+ pub fn new() -> TokenStream {
+@@ -31,6 +45,72 @@ impl TokenStream {
+ pub fn is_empty(&self) -> bool {
+ self.inner.len() == 0
+ }
++
++ fn take_inner(&mut self) -> Vec<TokenTree> {
++ mem::replace(&mut self.inner, Vec::new())
++ }
++
++ fn push_token(&mut self, token: TokenTree) {
++ // https://github.com/alexcrichton/proc-macro2/issues/235
++ match token {
++ #[cfg(not(no_bind_by_move_pattern_guard))]
++ TokenTree::Literal(crate::Literal {
++ #[cfg(wrap_proc_macro)]
++ inner: crate::imp::Literal::Fallback(literal),
++ #[cfg(not(wrap_proc_macro))]
++ inner: literal,
++ ..
++ }) if literal.text.starts_with('-') => {
++ push_negative_literal(self, literal);
++ }
++ #[cfg(no_bind_by_move_pattern_guard)]
++ TokenTree::Literal(crate::Literal {
++ #[cfg(wrap_proc_macro)]
++ inner: crate::imp::Literal::Fallback(literal),
++ #[cfg(not(wrap_proc_macro))]
++ inner: literal,
++ ..
++ }) => {
++ if literal.text.starts_with('-') {
++ push_negative_literal(self, literal);
++ } else {
++ self.inner
++ .push(TokenTree::Literal(crate::Literal::_new_stable(literal)));
++ }
++ }
++ _ => self.inner.push(token),
++ }
++
++ #[cold]
++ fn push_negative_literal(stream: &mut TokenStream, mut literal: Literal) {
++ literal.text.remove(0);
++ let mut punct = crate::Punct::new('-', Spacing::Alone);
++ punct.set_span(crate::Span::_new_stable(literal.span));
++ stream.inner.push(TokenTree::Punct(punct));
++ stream
++ .inner
++ .push(TokenTree::Literal(crate::Literal::_new_stable(literal)));
++ }
++ }
++}
++
++// Nonrecursive to prevent stack overflow.
++impl Drop for TokenStream {
++ fn drop(&mut self) {
++ while let Some(token) = self.inner.pop() {
++ let group = match token {
++ TokenTree::Group(group) => group.inner,
++ _ => continue,
++ };
++ #[cfg(wrap_proc_macro)]
++ let group = match group {
++ crate::imp::Group::Fallback(group) => group,
++ _ => continue,
++ };
++ let mut group = group;
++ self.inner.extend(group.stream.take_inner());
++ }
++ }
+ }
+
+ #[cfg(span_locations)]
+@@ -59,20 +139,22 @@ impl FromStr for TokenStream {
+ // Create a dummy file & add it to the source map
+ let cursor = get_cursor(src);
+
+- match token_stream(cursor) {
+- Ok((input, output)) => {
+- if skip_whitespace(input).len() != 0 {
+- Err(LexError)
+- } else {
+- Ok(output)
+- }
+- }
+- Err(LexError) => Err(LexError),
++ let (rest, tokens) = token_stream(cursor)?;
++ if rest.is_empty() {
++ Ok(tokens)
++ } else {
++ Err(LexError)
+ }
+ }
+ }
+
+-impl fmt::Display for TokenStream {
++impl Display for LexError {
++ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
++ f.write_str("cannot parse string into token stream")
++ }
++}
++
++impl Display for TokenStream {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let mut joint = false;
+ for (i, tt) in self.inner.iter().enumerate() {
+@@ -80,37 +162,22 @@ impl fmt::Display for TokenStream {
+ write!(f, " ")?;
+ }
+ joint = false;
+- match *tt {
+- TokenTree::Group(ref tt) => {
+- let (start, end) = match tt.delimiter() {
+- Delimiter::Parenthesis => ("(", ")"),
+- Delimiter::Brace => ("{", "}"),
+- Delimiter::Bracket => ("[", "]"),
+- Delimiter::None => ("", ""),
+- };
+- if tt.stream().into_iter().next().is_none() {
+- write!(f, "{} {}", start, end)?
+- } else {
+- write!(f, "{} {} {}", start, tt.stream(), end)?
+- }
+- }
+- TokenTree::Ident(ref tt) => write!(f, "{}", tt)?,
+- TokenTree::Punct(ref tt) => {
+- write!(f, "{}", tt.as_char())?;
+- match tt.spacing() {
+- Spacing::Alone => {}
+- Spacing::Joint => joint = true,
+- }
++ match tt {
++ TokenTree::Group(tt) => Display::fmt(tt, f),
++ TokenTree::Ident(tt) => Display::fmt(tt, f),
++ TokenTree::Punct(tt) => {
++ joint = tt.spacing() == Spacing::Joint;
++ Display::fmt(tt, f)
+ }
+- TokenTree::Literal(ref tt) => write!(f, "{}", tt)?,
+- }
++ TokenTree::Literal(tt) => Display::fmt(tt, f),
++ }?
+ }
+
+ Ok(())
+ }
+ }
+
+-impl fmt::Debug for TokenStream {
++impl Debug for TokenStream {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ f.write_str("TokenStream ")?;
+ f.debug_list().entries(self.clone()).finish()
+@@ -139,28 +206,26 @@ impl From<TokenStream> for proc_macro::TokenStream {
+
+ impl From<TokenTree> for TokenStream {
+ fn from(tree: TokenTree) -> TokenStream {
+- TokenStream { inner: vec![tree] }
++ let mut stream = TokenStream::new();
++ stream.push_token(tree);
++ stream
+ }
+ }
+
+-impl iter::FromIterator<TokenTree> for TokenStream {
+- fn from_iter<I: IntoIterator<Item = TokenTree>>(streams: I) -> Self {
+- let mut v = Vec::new();
+-
+- for token in streams.into_iter() {
+- v.push(token);
+- }
+-
+- TokenStream { inner: v }
++impl FromIterator<TokenTree> for TokenStream {
++ fn from_iter<I: IntoIterator<Item = TokenTree>>(tokens: I) -> Self {
++ let mut stream = TokenStream::new();
++ stream.extend(tokens);
++ stream
+ }
+ }
+
+-impl iter::FromIterator<TokenStream> for TokenStream {
++impl FromIterator<TokenStream> for TokenStream {
+ fn from_iter<I: IntoIterator<Item = TokenStream>>(streams: I) -> Self {
+ let mut v = Vec::new();
+
+- for stream in streams.into_iter() {
+- v.extend(stream.inner);
++ for mut stream in streams {
++ v.extend(stream.take_inner());
+ }
+
+ TokenStream { inner: v }
+@@ -168,31 +233,30 @@ impl iter::FromIterator<TokenStream> for TokenStream {
+ }
+
+ impl Extend<TokenTree> for TokenStream {
+- fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, streams: I) {
+- self.inner.extend(streams);
++ fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, tokens: I) {
++ tokens.into_iter().for_each(|token| self.push_token(token));
+ }
+ }
+
+ impl Extend<TokenStream> for TokenStream {
+ fn extend<I: IntoIterator<Item = TokenStream>>(&mut self, streams: I) {
+- self.inner
+- .extend(streams.into_iter().flat_map(|stream| stream));
++ self.inner.extend(streams.into_iter().flatten());
+ }
+ }
+
+-pub type TokenTreeIter = vec::IntoIter<TokenTree>;
++pub(crate) type TokenTreeIter = vec::IntoIter<TokenTree>;
+
+ impl IntoIterator for TokenStream {
+ type Item = TokenTree;
+ type IntoIter = TokenTreeIter;
+
+- fn into_iter(self) -> TokenTreeIter {
+- self.inner.into_iter()
++ fn into_iter(mut self) -> TokenTreeIter {
++ self.take_inner().into_iter()
+ }
+ }
+
+ #[derive(Clone, PartialEq, Eq)]
+-pub struct SourceFile {
++pub(crate) struct SourceFile {
+ path: PathBuf,
+ }
+
+@@ -208,7 +272,7 @@ impl SourceFile {
+ }
+ }
+
+-impl fmt::Debug for SourceFile {
++impl Debug for SourceFile {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ f.debug_struct("SourceFile")
+ .field("path", &self.path())
+@@ -218,7 +282,7 @@ impl fmt::Debug for SourceFile {
+ }
+
+ #[derive(Clone, Copy, Debug, PartialEq, Eq)]
+-pub struct LineColumn {
++pub(crate) struct LineColumn {
+ pub line: usize,
+ pub column: usize,
+ }
+@@ -228,23 +292,11 @@ thread_local! {
+ static SOURCE_MAP: RefCell<SourceMap> = RefCell::new(SourceMap {
+ // NOTE: We start with a single dummy file which all call_site() and
+ // def_site() spans reference.
+- files: vec![{
++ files: vec![FileInfo {
+ #[cfg(procmacro2_semver_exempt)]
+- {
+- FileInfo {
+- name: "<unspecified>".to_owned(),
+- span: Span { lo: 0, hi: 0 },
+- lines: vec![0],
+- }
+- }
+-
+- #[cfg(not(procmacro2_semver_exempt))]
+- {
+- FileInfo {
+- span: Span { lo: 0, hi: 0 },
+- lines: vec![0],
+- }
+- }
++ name: "<unspecified>".to_owned(),
++ span: Span { lo: 0, hi: 0 },
++ lines: vec![0],
+ }],
+ });
+ }
+@@ -282,16 +334,21 @@ impl FileInfo {
+ }
+ }
+
+-/// Computesthe offsets of each line in the given source string.
++/// Computes the offsets of each line in the given source string
++/// and the total number of characters
+ #[cfg(span_locations)]
+-fn lines_offsets(s: &str) -> Vec<usize> {
++fn lines_offsets(s: &str) -> (usize, Vec<usize>) {
+ let mut lines = vec![0];
+- let mut prev = 0;
+- while let Some(len) = s[prev..].find('\n') {
+- prev += len + 1;
+- lines.push(prev);
++ let mut total = 0;
++
++ for ch in s.chars() {
++ total += 1;
++ if ch == '\n' {
++ lines.push(total);
++ }
+ }
+- lines
++
++ (total, lines)
+ }
+
+ #[cfg(span_locations)]
+@@ -310,23 +367,22 @@ impl SourceMap {
+ }
+
+ fn add_file(&mut self, name: &str, src: &str) -> Span {
+- let lines = lines_offsets(src);
++ let (len, lines) = lines_offsets(src);
+ let lo = self.next_start_pos();
+ // XXX(nika): Shouild we bother doing a checked cast or checked add here?
+ let span = Span {
+ lo,
+- hi: lo + (src.len() as u32),
++ hi: lo + (len as u32),
+ };
+
+- #[cfg(procmacro2_semver_exempt)]
+ self.files.push(FileInfo {
++ #[cfg(procmacro2_semver_exempt)]
+ name: name.to_owned(),
+ span,
+ lines,
+ });
+
+ #[cfg(not(procmacro2_semver_exempt))]
+- self.files.push(FileInfo { span, lines });
+ let _ = name;
+
+ span
+@@ -343,11 +399,11 @@ impl SourceMap {
+ }
+
+ #[derive(Clone, Copy, PartialEq, Eq)]
+-pub struct Span {
++pub(crate) struct Span {
+ #[cfg(span_locations)]
+- lo: u32,
++ pub(crate) lo: u32,
+ #[cfg(span_locations)]
+- hi: u32,
++ pub(crate) hi: u32,
+ }
+
+ impl Span {
+@@ -361,12 +417,16 @@ impl Span {
+ Span { lo: 0, hi: 0 }
+ }
+
++ #[cfg(hygiene)]
++ pub fn mixed_site() -> Span {
++ Span::call_site()
++ }
++
+ #[cfg(procmacro2_semver_exempt)]
+ pub fn def_site() -> Span {
+ Span::call_site()
+ }
+
+- #[cfg(procmacro2_semver_exempt)]
+ pub fn resolved_at(&self, _other: Span) -> Span {
+ // Stable spans consist only of line/column information, so
+ // `resolved_at` and `located_at` only select which span the
+@@ -374,7 +434,6 @@ impl Span {
+ *self
+ }
+
+- #[cfg(procmacro2_semver_exempt)]
+ pub fn located_at(&self, other: Span) -> Span {
+ other
+ }
+@@ -427,26 +486,59 @@ impl Span {
+ })
+ })
+ }
++
++ #[cfg(not(span_locations))]
++ fn first_byte(self) -> Self {
++ self
++ }
++
++ #[cfg(span_locations)]
++ fn first_byte(self) -> Self {
++ Span {
++ lo: self.lo,
++ hi: cmp::min(self.lo.saturating_add(1), self.hi),
++ }
++ }
++
++ #[cfg(not(span_locations))]
++ fn last_byte(self) -> Self {
++ self
++ }
++
++ #[cfg(span_locations)]
++ fn last_byte(self) -> Self {
++ Span {
++ lo: cmp::max(self.hi.saturating_sub(1), self.lo),
++ hi: self.hi,
++ }
++ }
+ }
+
+-impl fmt::Debug for Span {
++impl Debug for Span {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- #[cfg(procmacro2_semver_exempt)]
++ #[cfg(span_locations)]
+ return write!(f, "bytes({}..{})", self.lo, self.hi);
+
+- #[cfg(not(procmacro2_semver_exempt))]
++ #[cfg(not(span_locations))]
+ write!(f, "Span")
+ }
+ }
+
+-pub fn debug_span_field_if_nontrivial(debug: &mut fmt::DebugStruct, span: Span) {
+- if cfg!(procmacro2_semver_exempt) {
++pub(crate) fn debug_span_field_if_nontrivial(debug: &mut fmt::DebugStruct, span: Span) {
++ #[cfg(span_locations)]
++ {
++ if span.lo == 0 && span.hi == 0 {
++ return;
++ }
++ }
++
++ if cfg!(span_locations) {
+ debug.field("span", &span);
+ }
+ }
+
+ #[derive(Clone)]
+-pub struct Group {
++pub(crate) struct Group {
+ delimiter: Delimiter,
+ stream: TokenStream,
+ span: Span,
+@@ -474,11 +566,11 @@ impl Group {
+ }
+
+ pub fn span_open(&self) -> Span {
+- self.span
++ self.span.first_byte()
+ }
+
+ pub fn span_close(&self) -> Span {
+- self.span
++ self.span.last_byte()
+ }
+
+ pub fn set_span(&mut self, span: Span) {
+@@ -486,36 +578,45 @@ impl Group {
+ }
+ }
+
+-impl fmt::Display for Group {
++impl Display for Group {
++ // We attempt to match libproc_macro's formatting.
++ // Empty parens: ()
++ // Nonempty parens: (...)
++ // Empty brackets: []
++ // Nonempty brackets: [...]
++ // Empty braces: { }
++ // Nonempty braces: { ... }
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- let (left, right) = match self.delimiter {
++ let (open, close) = match self.delimiter {
+ Delimiter::Parenthesis => ("(", ")"),
+- Delimiter::Brace => ("{", "}"),
++ Delimiter::Brace => ("{ ", "}"),
+ Delimiter::Bracket => ("[", "]"),
+ Delimiter::None => ("", ""),
+ };
+
+- f.write_str(left)?;
+- self.stream.fmt(f)?;
+- f.write_str(right)?;
++ f.write_str(open)?;
++ Display::fmt(&self.stream, f)?;
++ if self.delimiter == Delimiter::Brace && !self.stream.inner.is_empty() {
++ f.write_str(" ")?;
++ }
++ f.write_str(close)?;
+
+ Ok(())
+ }
+ }
+
+-impl fmt::Debug for Group {
++impl Debug for Group {
+ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+ let mut debug = fmt.debug_struct("Group");
+ debug.field("delimiter", &self.delimiter);
+ debug.field("stream", &self.stream);
+- #[cfg(procmacro2_semver_exempt)]
+- debug.field("span", &self.span);
++ debug_span_field_if_nontrivial(&mut debug, self.span);
+ debug.finish()
+ }
+ }
+
+ #[derive(Clone)]
+-pub struct Ident {
++pub(crate) struct Ident {
+ sym: String,
+ span: Span,
+ raw: bool,
+@@ -549,16 +650,14 @@ impl Ident {
+ }
+ }
+
+-#[inline]
+-fn is_ident_start(c: char) -> bool {
++pub(crate) fn is_ident_start(c: char) -> bool {
+ ('a' <= c && c <= 'z')
+ || ('A' <= c && c <= 'Z')
+ || c == '_'
+ || (c > '\x7f' && UnicodeXID::is_xid_start(c))
+ }
+
+-#[inline]
+-fn is_ident_continue(c: char) -> bool {
++pub(crate) fn is_ident_continue(c: char) -> bool {
+ ('a' <= c && c <= 'z')
+ || ('A' <= c && c <= 'Z')
+ || c == '_'
+@@ -615,18 +714,18 @@ where
+ }
+ }
+
+-impl fmt::Display for Ident {
++impl Display for Ident {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ if self.raw {
+- "r#".fmt(f)?;
++ f.write_str("r#")?;
+ }
+- self.sym.fmt(f)
++ Display::fmt(&self.sym, f)
+ }
+ }
+
+-impl fmt::Debug for Ident {
++impl Debug for Ident {
+ // Ident(proc_macro), Ident(r#union)
+- #[cfg(not(procmacro2_semver_exempt))]
++ #[cfg(not(span_locations))]
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let mut debug = f.debug_tuple("Ident");
+ debug.field(&format_args!("{}", self));
+@@ -637,17 +736,17 @@ impl fmt::Debug for Ident {
+ // sym: proc_macro,
+ // span: bytes(128..138)
+ // }
+- #[cfg(procmacro2_semver_exempt)]
++ #[cfg(span_locations)]
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let mut debug = f.debug_struct("Ident");
+ debug.field("sym", &format_args!("{}", self));
+- debug.field("span", &self.span);
++ debug_span_field_if_nontrivial(&mut debug, self.span);
+ debug.finish()
+ }
+ }
+
+ #[derive(Clone)]
+-pub struct Literal {
++pub(crate) struct Literal {
+ text: String,
+ span: Span,
+ }
+@@ -669,7 +768,7 @@ macro_rules! unsuffixed_numbers {
+ }
+
+ impl Literal {
+- fn _new(text: String) -> Literal {
++ pub(crate) fn _new(text: String) -> Literal {
+ Literal {
+ text,
+ span: Span::call_site(),
+@@ -711,7 +810,7 @@ impl Literal {
+
+ pub fn f32_unsuffixed(f: f32) -> Literal {
+ let mut s = f.to_string();
+- if !s.contains(".") {
++ if !s.contains('.') {
+ s.push_str(".0");
+ }
+ Literal::_new(s)
+@@ -719,7 +818,7 @@ impl Literal {
+
+ pub fn f64_unsuffixed(f: f64) -> Literal {
+ let mut s = f.to_string();
+- if !s.contains(".") {
++ if !s.contains('.') {
+ s.push_str(".0");
+ }
+ Literal::_new(s)
+@@ -730,10 +829,10 @@ impl Literal {
+ text.push('"');
+ for c in t.chars() {
+ if c == '\'' {
+- // escape_default turns this into "\'" which is unnecessary.
++ // escape_debug turns this into "\'" which is unnecessary.
+ text.push(c);
+ } else {
+- text.extend(c.escape_default());
++ text.extend(c.escape_debug());
+ }
+ }
+ text.push('"');
+@@ -744,10 +843,10 @@ impl Literal {
+ let mut text = String::new();
+ text.push('\'');
+ if t == '"' {
+- // escape_default turns this into '\"' which is unnecessary.
++ // escape_debug turns this into '\"' which is unnecessary.
+ text.push(t);
+ } else {
+- text.extend(t.escape_default());
++ text.extend(t.escape_debug());
+ }
+ text.push('\'');
+ Literal::_new(text)
+@@ -756,6 +855,7 @@ impl Literal {
+ pub fn byte_string(bytes: &[u8]) -> Literal {
+ let mut escaped = "b\"".to_string();
+ for b in bytes {
++ #[allow(clippy::match_overlapping_arm)]
+ match *b {
+ b'\0' => escaped.push_str(r"\0"),
+ b'\t' => escaped.push_str(r"\t"),
+@@ -784,651 +884,17 @@ impl Literal {
+ }
+ }
+
+-impl fmt::Display for Literal {
++impl Display for Literal {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.text.fmt(f)
++ Display::fmt(&self.text, f)
+ }
+ }
+
+-impl fmt::Debug for Literal {
++impl Debug for Literal {
+ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+ let mut debug = fmt.debug_struct("Literal");
+ debug.field("lit", &format_args!("{}", self.text));
+- #[cfg(procmacro2_semver_exempt)]
+- debug.field("span", &self.span);
++ debug_span_field_if_nontrivial(&mut debug, self.span);
+ debug.finish()
+ }
+ }
+-
+-fn token_stream(mut input: Cursor) -> PResult<TokenStream> {
+- let mut trees = Vec::new();
+- loop {
+- let input_no_ws = skip_whitespace(input);
+- if input_no_ws.rest.len() == 0 {
+- break;
+- }
+- if let Ok((a, tokens)) = doc_comment(input_no_ws) {
+- input = a;
+- trees.extend(tokens);
+- continue;
+- }
+-
+- let (a, tt) = match token_tree(input_no_ws) {
+- Ok(p) => p,
+- Err(_) => break,
+- };
+- trees.push(tt);
+- input = a;
+- }
+- Ok((input, TokenStream { inner: trees }))
+-}
+-
+-#[cfg(not(span_locations))]
+-fn spanned<'a, T>(
+- input: Cursor<'a>,
+- f: fn(Cursor<'a>) -> PResult<'a, T>,
+-) -> PResult<'a, (T, crate::Span)> {
+- let (a, b) = f(skip_whitespace(input))?;
+- Ok((a, ((b, crate::Span::_new_stable(Span::call_site())))))
+-}
+-
+-#[cfg(span_locations)]
+-fn spanned<'a, T>(
+- input: Cursor<'a>,
+- f: fn(Cursor<'a>) -> PResult<'a, T>,
+-) -> PResult<'a, (T, crate::Span)> {
+- let input = skip_whitespace(input);
+- let lo = input.off;
+- let (a, b) = f(input)?;
+- let hi = a.off;
+- let span = crate::Span::_new_stable(Span { lo, hi });
+- Ok((a, (b, span)))
+-}
+-
+-fn token_tree(input: Cursor) -> PResult<TokenTree> {
+- let (rest, (mut tt, span)) = spanned(input, token_kind)?;
+- tt.set_span(span);
+- Ok((rest, tt))
+-}
+-
+-named!(token_kind -> TokenTree, alt!(
+- map!(group, |g| TokenTree::Group(crate::Group::_new_stable(g)))
+- |
+- map!(literal, |l| TokenTree::Literal(crate::Literal::_new_stable(l))) // must be before symbol
+- |
+- map!(op, TokenTree::Punct)
+- |
+- symbol_leading_ws
+-));
+-
+-named!(group -> Group, alt!(
+- delimited!(
+- punct!("("),
+- token_stream,
+- punct!(")")
+- ) => { |ts| Group::new(Delimiter::Parenthesis, ts) }
+- |
+- delimited!(
+- punct!("["),
+- token_stream,
+- punct!("]")
+- ) => { |ts| Group::new(Delimiter::Bracket, ts) }
+- |
+- delimited!(
+- punct!("{"),
+- token_stream,
+- punct!("}")
+- ) => { |ts| Group::new(Delimiter::Brace, ts) }
+-));
+-
+-fn symbol_leading_ws(input: Cursor) -> PResult<TokenTree> {
+- symbol(skip_whitespace(input))
+-}
+-
+-fn symbol(input: Cursor) -> PResult<TokenTree> {
+- let raw = input.starts_with("r#");
+- let rest = input.advance((raw as usize) << 1);
+-
+- let (rest, sym) = symbol_not_raw(rest)?;
+-
+- if !raw {
+- let ident = crate::Ident::new(sym, crate::Span::call_site());
+- return Ok((rest, ident.into()));
+- }
+-
+- if sym == "_" {
+- return Err(LexError);
+- }
+-
+- let ident = crate::Ident::_new_raw(sym, crate::Span::call_site());
+- Ok((rest, ident.into()))
+-}
+-
+-fn symbol_not_raw(input: Cursor) -> PResult<&str> {
+- let mut chars = input.char_indices();
+-
+- match chars.next() {
+- Some((_, ch)) if is_ident_start(ch) => {}
+- _ => return Err(LexError),
+- }
+-
+- let mut end = input.len();
+- for (i, ch) in chars {
+- if !is_ident_continue(ch) {
+- end = i;
+- break;
+- }
+- }
+-
+- Ok((input.advance(end), &input.rest[..end]))
+-}
+-
+-fn literal(input: Cursor) -> PResult<Literal> {
+- let input_no_ws = skip_whitespace(input);
+-
+- match literal_nocapture(input_no_ws) {
+- Ok((a, ())) => {
+- let start = input.len() - input_no_ws.len();
+- let len = input_no_ws.len() - a.len();
+- let end = start + len;
+- Ok((a, Literal::_new(input.rest[start..end].to_string())))
+- }
+- Err(LexError) => Err(LexError),
+- }
+-}
+-
+-named!(literal_nocapture -> (), alt!(
+- string
+- |
+- byte_string
+- |
+- byte
+- |
+- character
+- |
+- float
+- |
+- int
+-));
+-
+-named!(string -> (), alt!(
+- quoted_string
+- |
+- preceded!(
+- punct!("r"),
+- raw_string
+- ) => { |_| () }
+-));
+-
+-named!(quoted_string -> (), do_parse!(
+- punct!("\"") >>
+- cooked_string >>
+- tag!("\"") >>
+- option!(symbol_not_raw) >>
+- (())
+-));
+-
+-fn cooked_string(input: Cursor) -> PResult<()> {
+- let mut chars = input.char_indices().peekable();
+- while let Some((byte_offset, ch)) = chars.next() {
+- match ch {
+- '"' => {
+- return Ok((input.advance(byte_offset), ()));
+- }
+- '\r' => {
+- if let Some((_, '\n')) = chars.next() {
+- // ...
+- } else {
+- break;
+- }
+- }
+- '\\' => match chars.next() {
+- Some((_, 'x')) => {
+- if !backslash_x_char(&mut chars) {
+- break;
+- }
+- }
+- Some((_, 'n')) | Some((_, 'r')) | Some((_, 't')) | Some((_, '\\'))
+- | Some((_, '\'')) | Some((_, '"')) | Some((_, '0')) => {}
+- Some((_, 'u')) => {
+- if !backslash_u(&mut chars) {
+- break;
+- }
+- }
+- Some((_, '\n')) | Some((_, '\r')) => {
+- while let Some(&(_, ch)) = chars.peek() {
+- if ch.is_whitespace() {
+- chars.next();
+- } else {
+- break;
+- }
+- }
+- }
+- _ => break,
+- },
+- _ch => {}
+- }
+- }
+- Err(LexError)
+-}
+-
+-named!(byte_string -> (), alt!(
+- delimited!(
+- punct!("b\""),
+- cooked_byte_string,
+- tag!("\"")
+- ) => { |_| () }
+- |
+- preceded!(
+- punct!("br"),
+- raw_string
+- ) => { |_| () }
+-));
+-
+-fn cooked_byte_string(mut input: Cursor) -> PResult<()> {
+- let mut bytes = input.bytes().enumerate();
+- 'outer: while let Some((offset, b)) = bytes.next() {
+- match b {
+- b'"' => {
+- return Ok((input.advance(offset), ()));
+- }
+- b'\r' => {
+- if let Some((_, b'\n')) = bytes.next() {
+- // ...
+- } else {
+- break;
+- }
+- }
+- b'\\' => match bytes.next() {
+- Some((_, b'x')) => {
+- if !backslash_x_byte(&mut bytes) {
+- break;
+- }
+- }
+- Some((_, b'n')) | Some((_, b'r')) | Some((_, b't')) | Some((_, b'\\'))
+- | Some((_, b'0')) | Some((_, b'\'')) | Some((_, b'"')) => {}
+- Some((newline, b'\n')) | Some((newline, b'\r')) => {
+- let rest = input.advance(newline + 1);
+- for (offset, ch) in rest.char_indices() {
+- if !ch.is_whitespace() {
+- input = rest.advance(offset);
+- bytes = input.bytes().enumerate();
+- continue 'outer;
+- }
+- }
+- break;
+- }
+- _ => break,
+- },
+- b if b < 0x80 => {}
+- _ => break,
+- }
+- }
+- Err(LexError)
+-}
+-
+-fn raw_string(input: Cursor) -> PResult<()> {
+- let mut chars = input.char_indices();
+- let mut n = 0;
+- while let Some((byte_offset, ch)) = chars.next() {
+- match ch {
+- '"' => {
+- n = byte_offset;
+- break;
+- }
+- '#' => {}
+- _ => return Err(LexError),
+- }
+- }
+- for (byte_offset, ch) in chars {
+- match ch {
+- '"' if input.advance(byte_offset + 1).starts_with(&input.rest[..n]) => {
+- let rest = input.advance(byte_offset + 1 + n);
+- return Ok((rest, ()));
+- }
+- '\r' => {}
+- _ => {}
+- }
+- }
+- Err(LexError)
+-}
+-
+-named!(byte -> (), do_parse!(
+- punct!("b") >>
+- tag!("'") >>
+- cooked_byte >>
+- tag!("'") >>
+- (())
+-));
+-
+-fn cooked_byte(input: Cursor) -> PResult<()> {
+- let mut bytes = input.bytes().enumerate();
+- let ok = match bytes.next().map(|(_, b)| b) {
+- Some(b'\\') => match bytes.next().map(|(_, b)| b) {
+- Some(b'x') => backslash_x_byte(&mut bytes),
+- Some(b'n') | Some(b'r') | Some(b't') | Some(b'\\') | Some(b'0') | Some(b'\'')
+- | Some(b'"') => true,
+- _ => false,
+- },
+- b => b.is_some(),
+- };
+- if ok {
+- match bytes.next() {
+- Some((offset, _)) => {
+- if input.chars().as_str().is_char_boundary(offset) {
+- Ok((input.advance(offset), ()))
+- } else {
+- Err(LexError)
+- }
+- }
+- None => Ok((input.advance(input.len()), ())),
+- }
+- } else {
+- Err(LexError)
+- }
+-}
+-
+-named!(character -> (), do_parse!(
+- punct!("'") >>
+- cooked_char >>
+- tag!("'") >>
+- (())
+-));
+-
+-fn cooked_char(input: Cursor) -> PResult<()> {
+- let mut chars = input.char_indices();
+- let ok = match chars.next().map(|(_, ch)| ch) {
+- Some('\\') => match chars.next().map(|(_, ch)| ch) {
+- Some('x') => backslash_x_char(&mut chars),
+- Some('u') => backslash_u(&mut chars),
+- Some('n') | Some('r') | Some('t') | Some('\\') | Some('0') | Some('\'') | Some('"') => {
+- true
+- }
+- _ => false,
+- },
+- ch => ch.is_some(),
+- };
+- if ok {
+- match chars.next() {
+- Some((idx, _)) => Ok((input.advance(idx), ())),
+- None => Ok((input.advance(input.len()), ())),
+- }
+- } else {
+- Err(LexError)
+- }
+-}
+-
+-macro_rules! next_ch {
+- ($chars:ident @ $pat:pat $(| $rest:pat)*) => {
+- match $chars.next() {
+- Some((_, ch)) => match ch {
+- $pat $(| $rest)* => ch,
+- _ => return false,
+- },
+- None => return false
+- }
+- };
+-}
+-
+-fn backslash_x_char<I>(chars: &mut I) -> bool
+-where
+- I: Iterator<Item = (usize, char)>,
+-{
+- next_ch!(chars @ '0'..='7');
+- next_ch!(chars @ '0'..='9' | 'a'..='f' | 'A'..='F');
+- true
+-}
+-
+-fn backslash_x_byte<I>(chars: &mut I) -> bool
+-where
+- I: Iterator<Item = (usize, u8)>,
+-{
+- next_ch!(chars @ b'0'..=b'9' | b'a'..=b'f' | b'A'..=b'F');
+- next_ch!(chars @ b'0'..=b'9' | b'a'..=b'f' | b'A'..=b'F');
+- true
+-}
+-
+-fn backslash_u<I>(chars: &mut I) -> bool
+-where
+- I: Iterator<Item = (usize, char)>,
+-{
+- next_ch!(chars @ '{');
+- next_ch!(chars @ '0'..='9' | 'a'..='f' | 'A'..='F');
+- loop {
+- let c = next_ch!(chars @ '0'..='9' | 'a'..='f' | 'A'..='F' | '_' | '}');
+- if c == '}' {
+- return true;
+- }
+- }
+-}
+-
+-fn float(input: Cursor) -> PResult<()> {
+- let (mut rest, ()) = float_digits(input)?;
+- if let Some(ch) = rest.chars().next() {
+- if is_ident_start(ch) {
+- rest = symbol_not_raw(rest)?.0;
+- }
+- }
+- word_break(rest)
+-}
+-
+-fn float_digits(input: Cursor) -> PResult<()> {
+- let mut chars = input.chars().peekable();
+- match chars.next() {
+- Some(ch) if ch >= '0' && ch <= '9' => {}
+- _ => return Err(LexError),
+- }
+-
+- let mut len = 1;
+- let mut has_dot = false;
+- let mut has_exp = false;
+- while let Some(&ch) = chars.peek() {
+- match ch {
+- '0'..='9' | '_' => {
+- chars.next();
+- len += 1;
+- }
+- '.' => {
+- if has_dot {
+- break;
+- }
+- chars.next();
+- if chars
+- .peek()
+- .map(|&ch| ch == '.' || is_ident_start(ch))
+- .unwrap_or(false)
+- {
+- return Err(LexError);
+- }
+- len += 1;
+- has_dot = true;
+- }
+- 'e' | 'E' => {
+- chars.next();
+- len += 1;
+- has_exp = true;
+- break;
+- }
+- _ => break,
+- }
+- }
+-
+- let rest = input.advance(len);
+- if !(has_dot || has_exp || rest.starts_with("f32") || rest.starts_with("f64")) {
+- return Err(LexError);
+- }
+-
+- if has_exp {
+- let mut has_exp_value = false;
+- while let Some(&ch) = chars.peek() {
+- match ch {
+- '+' | '-' => {
+- if has_exp_value {
+- break;
+- }
+- chars.next();
+- len += 1;
+- }
+- '0'..='9' => {
+- chars.next();
+- len += 1;
+- has_exp_value = true;
+- }
+- '_' => {
+- chars.next();
+- len += 1;
+- }
+- _ => break,
+- }
+- }
+- if !has_exp_value {
+- return Err(LexError);
+- }
+- }
+-
+- Ok((input.advance(len), ()))
+-}
+-
+-fn int(input: Cursor) -> PResult<()> {
+- let (mut rest, ()) = digits(input)?;
+- if let Some(ch) = rest.chars().next() {
+- if is_ident_start(ch) {
+- rest = symbol_not_raw(rest)?.0;
+- }
+- }
+- word_break(rest)
+-}
+-
+-fn digits(mut input: Cursor) -> PResult<()> {
+- let base = if input.starts_with("0x") {
+- input = input.advance(2);
+- 16
+- } else if input.starts_with("0o") {
+- input = input.advance(2);
+- 8
+- } else if input.starts_with("0b") {
+- input = input.advance(2);
+- 2
+- } else {
+- 10
+- };
+-
+- let mut len = 0;
+- let mut empty = true;
+- for b in input.bytes() {
+- let digit = match b {
+- b'0'..=b'9' => (b - b'0') as u64,
+- b'a'..=b'f' => 10 + (b - b'a') as u64,
+- b'A'..=b'F' => 10 + (b - b'A') as u64,
+- b'_' => {
+- if empty && base == 10 {
+- return Err(LexError);
+- }
+- len += 1;
+- continue;
+- }
+- _ => break,
+- };
+- if digit >= base {
+- return Err(LexError);
+- }
+- len += 1;
+- empty = false;
+- }
+- if empty {
+- Err(LexError)
+- } else {
+- Ok((input.advance(len), ()))
+- }
+-}
+-
+-fn op(input: Cursor) -> PResult<Punct> {
+- let input = skip_whitespace(input);
+- match op_char(input) {
+- Ok((rest, '\'')) => {
+- symbol(rest)?;
+- Ok((rest, Punct::new('\'', Spacing::Joint)))
+- }
+- Ok((rest, ch)) => {
+- let kind = match op_char(rest) {
+- Ok(_) => Spacing::Joint,
+- Err(LexError) => Spacing::Alone,
+- };
+- Ok((rest, Punct::new(ch, kind)))
+- }
+- Err(LexError) => Err(LexError),
+- }
+-}
+-
+-fn op_char(input: Cursor) -> PResult<char> {
+- if input.starts_with("//") || input.starts_with("/*") {
+- // Do not accept `/` of a comment as an op.
+- return Err(LexError);
+- }
+-
+- let mut chars = input.chars();
+- let first = match chars.next() {
+- Some(ch) => ch,
+- None => {
+- return Err(LexError);
+- }
+- };
+- let recognized = "~!@#$%^&*-=+|;:,<.>/?'";
+- if recognized.contains(first) {
+- Ok((input.advance(first.len_utf8()), first))
+- } else {
+- Err(LexError)
+- }
+-}
+-
+-fn doc_comment(input: Cursor) -> PResult<Vec<TokenTree>> {
+- let mut trees = Vec::new();
+- let (rest, ((comment, inner), span)) = spanned(input, doc_comment_contents)?;
+- trees.push(TokenTree::Punct(Punct::new('#', Spacing::Alone)));
+- if inner {
+- trees.push(Punct::new('!', Spacing::Alone).into());
+- }
+- let mut stream = vec![
+- TokenTree::Ident(crate::Ident::new("doc", span)),
+- TokenTree::Punct(Punct::new('=', Spacing::Alone)),
+- TokenTree::Literal(crate::Literal::string(comment)),
+- ];
+- for tt in stream.iter_mut() {
+- tt.set_span(span);
+- }
+- let group = Group::new(Delimiter::Bracket, stream.into_iter().collect());
+- trees.push(crate::Group::_new_stable(group).into());
+- for tt in trees.iter_mut() {
+- tt.set_span(span);
+- }
+- Ok((rest, trees))
+-}
+-
+-named!(doc_comment_contents -> (&str, bool), alt!(
+- do_parse!(
+- punct!("//!") >>
+- s: take_until_newline_or_eof!() >>
+- ((s, true))
+- )
+- |
+- do_parse!(
+- option!(whitespace) >>
+- peek!(tag!("/*!")) >>
+- s: block_comment >>
+- ((s, true))
+- )
+- |
+- do_parse!(
+- punct!("///") >>
+- not!(tag!("/")) >>
+- s: take_until_newline_or_eof!() >>
+- ((s, false))
+- )
+- |
+- do_parse!(
+- option!(whitespace) >>
+- peek!(tuple!(tag!("/**"), not!(tag!("*")))) >>
+- s: block_comment >>
+- ((s, false))
+- )
+-));
+diff --git a/third_party/rust/proc-macro2/src/lib.rs b/third_party/rust/proc-macro2/src/lib.rs
+index a08be3e815..c20fb50d4a 100644
+--- a/third_party/rust/proc-macro2/src/lib.rs
++++ b/third_party/rust/proc-macro2/src/lib.rs
+@@ -78,27 +78,24 @@
+ //! a different thread.
+
+ // Proc-macro2 types in rustdoc of other crates get linked to here.
+-#![doc(html_root_url = "https://docs.rs/proc-macro2/1.0.5")]
++#![doc(html_root_url = "https://docs.rs/proc-macro2/1.0.24")]
+ #![cfg_attr(any(proc_macro_span, super_unstable), feature(proc_macro_span))]
+ #![cfg_attr(super_unstable, feature(proc_macro_raw_ident, proc_macro_def_site))]
++#![allow(clippy::needless_doctest_main)]
+
+ #[cfg(use_proc_macro)]
+ extern crate proc_macro;
+
+-use std::cmp::Ordering;
+-use std::fmt;
+-use std::hash::{Hash, Hasher};
+-use std::iter::FromIterator;
+-use std::marker;
+-use std::ops::RangeBounds;
+-#[cfg(procmacro2_semver_exempt)]
+-use std::path::PathBuf;
+-use std::rc::Rc;
+-use std::str::FromStr;
++mod marker;
++mod parse;
++
++#[cfg(wrap_proc_macro)]
++mod detection;
+
+-#[macro_use]
+-mod strnom;
+-mod fallback;
++// Public for proc_macro2::fallback::force() and unforce(), but those are quite
++// a niche use case so we omit it from rustdoc.
++#[doc(hidden)]
++pub mod fallback;
+
+ #[cfg(not(wrap_proc_macro))]
+ use crate::fallback as imp;
+@@ -106,6 +103,17 @@ use crate::fallback as imp;
+ #[cfg(wrap_proc_macro)]
+ mod imp;
+
++use crate::marker::Marker;
++use std::cmp::Ordering;
++use std::error::Error;
++use std::fmt::{self, Debug, Display};
++use std::hash::{Hash, Hasher};
++use std::iter::FromIterator;
++use std::ops::RangeBounds;
++#[cfg(procmacro2_semver_exempt)]
++use std::path::PathBuf;
++use std::str::FromStr;
++
+ /// An abstract stream of tokens, or more concretely a sequence of token trees.
+ ///
+ /// This type provides interfaces for iterating over token trees and for
+@@ -116,27 +124,27 @@ mod imp;
+ #[derive(Clone)]
+ pub struct TokenStream {
+ inner: imp::TokenStream,
+- _marker: marker::PhantomData<Rc<()>>,
++ _marker: Marker,
+ }
+
+ /// Error returned from `TokenStream::from_str`.
+ pub struct LexError {
+ inner: imp::LexError,
+- _marker: marker::PhantomData<Rc<()>>,
++ _marker: Marker,
+ }
+
+ impl TokenStream {
+ fn _new(inner: imp::TokenStream) -> TokenStream {
+ TokenStream {
+ inner,
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+
+ fn _new_stable(inner: fallback::TokenStream) -> TokenStream {
+ TokenStream {
+ inner: inner.into(),
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+
+@@ -173,7 +181,7 @@ impl FromStr for TokenStream {
+ fn from_str(src: &str) -> Result<TokenStream, LexError> {
+ let e = src.parse().map_err(|e| LexError {
+ inner: e,
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ })?;
+ Ok(TokenStream::_new(e))
+ }
+@@ -228,25 +236,33 @@ impl FromIterator<TokenStream> for TokenStream {
+ /// convertible back into the same token stream (modulo spans), except for
+ /// possibly `TokenTree::Group`s with `Delimiter::None` delimiters and negative
+ /// numeric literals.
+-impl fmt::Display for TokenStream {
++impl Display for TokenStream {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Display::fmt(&self.inner, f)
+ }
+ }
+
+ /// Prints token in a form convenient for debugging.
+-impl fmt::Debug for TokenStream {
++impl Debug for TokenStream {
++ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
++ Debug::fmt(&self.inner, f)
++ }
++}
++
++impl Debug for LexError {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Debug::fmt(&self.inner, f)
+ }
+ }
+
+-impl fmt::Debug for LexError {
++impl Display for LexError {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Display::fmt(&self.inner, f)
+ }
+ }
+
++impl Error for LexError {}
++
+ /// The source file of a given `Span`.
+ ///
+ /// This type is semver exempt and not exposed by default.
+@@ -254,7 +270,7 @@ impl fmt::Debug for LexError {
+ #[derive(Clone, PartialEq, Eq)]
+ pub struct SourceFile {
+ inner: imp::SourceFile,
+- _marker: marker::PhantomData<Rc<()>>,
++ _marker: Marker,
+ }
+
+ #[cfg(procmacro2_semver_exempt)]
+@@ -262,7 +278,7 @@ impl SourceFile {
+ fn _new(inner: imp::SourceFile) -> Self {
+ SourceFile {
+ inner,
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+
+@@ -291,9 +307,9 @@ impl SourceFile {
+ }
+
+ #[cfg(procmacro2_semver_exempt)]
+-impl fmt::Debug for SourceFile {
++impl Debug for SourceFile {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Debug::fmt(&self.inner, f)
+ }
+ }
+
+@@ -311,25 +327,41 @@ pub struct LineColumn {
+ pub column: usize,
+ }
+
++#[cfg(span_locations)]
++impl Ord for LineColumn {
++ fn cmp(&self, other: &Self) -> Ordering {
++ self.line
++ .cmp(&other.line)
++ .then(self.column.cmp(&other.column))
++ }
++}
++
++#[cfg(span_locations)]
++impl PartialOrd for LineColumn {
++ fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
++ Some(self.cmp(other))
++ }
++}
++
+ /// A region of source code, along with macro expansion information.
+ #[derive(Copy, Clone)]
+ pub struct Span {
+ inner: imp::Span,
+- _marker: marker::PhantomData<Rc<()>>,
++ _marker: Marker,
+ }
+
+ impl Span {
+ fn _new(inner: imp::Span) -> Span {
+ Span {
+ inner,
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+
+ fn _new_stable(inner: fallback::Span) -> Span {
+ Span {
+ inner: inner.into(),
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+
+@@ -342,6 +374,16 @@ impl Span {
+ Span::_new(imp::Span::call_site())
+ }
+
++ /// The span located at the invocation of the procedural macro, but with
++ /// local variables, labels, and `$crate` resolved at the definition site
++ /// of the macro. This is the same hygiene behavior as `macro_rules`.
++ ///
++ /// This function requires Rust 1.45 or later.
++ #[cfg(hygiene)]
++ pub fn mixed_site() -> Span {
++ Span::_new(imp::Span::mixed_site())
++ }
++
+ /// A span that resolves at the macro definition site.
+ ///
+ /// This method is semver exempt and not exposed by default.
+@@ -352,18 +394,12 @@ impl Span {
+
+ /// Creates a new span with the same line/column information as `self` but
+ /// that resolves symbols as though it were at `other`.
+- ///
+- /// This method is semver exempt and not exposed by default.
+- #[cfg(procmacro2_semver_exempt)]
+ pub fn resolved_at(&self, other: Span) -> Span {
+ Span::_new(self.inner.resolved_at(other.inner))
+ }
+
+ /// Creates a new span with the same name resolution behavior as `self` but
+ /// with the line/column information of `other`.
+- ///
+- /// This method is semver exempt and not exposed by default.
+- #[cfg(procmacro2_semver_exempt)]
+ pub fn located_at(&self, other: Span) -> Span {
+ Span::_new(self.inner.located_at(other.inner))
+ }
+@@ -439,9 +475,9 @@ impl Span {
+ }
+
+ /// Prints a span in a form convenient for debugging.
+-impl fmt::Debug for Span {
++impl Debug for Span {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Debug::fmt(&self.inner, f)
+ }
+ }
+
+@@ -462,11 +498,11 @@ impl TokenTree {
+ /// Returns the span of this tree, delegating to the `span` method of
+ /// the contained token or a delimited stream.
+ pub fn span(&self) -> Span {
+- match *self {
+- TokenTree::Group(ref t) => t.span(),
+- TokenTree::Ident(ref t) => t.span(),
+- TokenTree::Punct(ref t) => t.span(),
+- TokenTree::Literal(ref t) => t.span(),
++ match self {
++ TokenTree::Group(t) => t.span(),
++ TokenTree::Ident(t) => t.span(),
++ TokenTree::Punct(t) => t.span(),
++ TokenTree::Literal(t) => t.span(),
+ }
+ }
+
+@@ -476,11 +512,11 @@ impl TokenTree {
+ /// the span of each of the internal tokens, this will simply delegate to
+ /// the `set_span` method of each variant.
+ pub fn set_span(&mut self, span: Span) {
+- match *self {
+- TokenTree::Group(ref mut t) => t.set_span(span),
+- TokenTree::Ident(ref mut t) => t.set_span(span),
+- TokenTree::Punct(ref mut t) => t.set_span(span),
+- TokenTree::Literal(ref mut t) => t.set_span(span),
++ match self {
++ TokenTree::Group(t) => t.set_span(span),
++ TokenTree::Ident(t) => t.set_span(span),
++ TokenTree::Punct(t) => t.set_span(span),
++ TokenTree::Literal(t) => t.set_span(span),
+ }
+ }
+ }
+@@ -513,32 +549,32 @@ impl From<Literal> for TokenTree {
+ /// convertible back into the same token tree (modulo spans), except for
+ /// possibly `TokenTree::Group`s with `Delimiter::None` delimiters and negative
+ /// numeric literals.
+-impl fmt::Display for TokenTree {
++impl Display for TokenTree {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- match *self {
+- TokenTree::Group(ref t) => t.fmt(f),
+- TokenTree::Ident(ref t) => t.fmt(f),
+- TokenTree::Punct(ref t) => t.fmt(f),
+- TokenTree::Literal(ref t) => t.fmt(f),
++ match self {
++ TokenTree::Group(t) => Display::fmt(t, f),
++ TokenTree::Ident(t) => Display::fmt(t, f),
++ TokenTree::Punct(t) => Display::fmt(t, f),
++ TokenTree::Literal(t) => Display::fmt(t, f),
+ }
+ }
+ }
+
+ /// Prints token tree in a form convenient for debugging.
+-impl fmt::Debug for TokenTree {
++impl Debug for TokenTree {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ // Each of these has the name in the struct type in the derived debug,
+ // so don't bother with an extra layer of indirection
+- match *self {
+- TokenTree::Group(ref t) => t.fmt(f),
+- TokenTree::Ident(ref t) => {
++ match self {
++ TokenTree::Group(t) => Debug::fmt(t, f),
++ TokenTree::Ident(t) => {
+ let mut debug = f.debug_struct("Ident");
+ debug.field("sym", &format_args!("{}", t));
+ imp::debug_span_field_if_nontrivial(&mut debug, t.span().inner);
+ debug.finish()
+ }
+- TokenTree::Punct(ref t) => t.fmt(f),
+- TokenTree::Literal(ref t) => t.fmt(f),
++ TokenTree::Punct(t) => Debug::fmt(t, f),
++ TokenTree::Literal(t) => Debug::fmt(t, f),
+ }
+ }
+ }
+@@ -651,15 +687,15 @@ impl Group {
+ /// Prints the group as a string that should be losslessly convertible back
+ /// into the same group (modulo spans), except for possibly `TokenTree::Group`s
+ /// with `Delimiter::None` delimiters.
+-impl fmt::Display for Group {
++impl Display for Group {
+ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+- fmt::Display::fmt(&self.inner, formatter)
++ Display::fmt(&self.inner, formatter)
+ }
+ }
+
+-impl fmt::Debug for Group {
++impl Debug for Group {
+ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+- fmt::Debug::fmt(&self.inner, formatter)
++ Debug::fmt(&self.inner, formatter)
+ }
+ }
+
+@@ -669,7 +705,7 @@ impl fmt::Debug for Group {
+ /// `Punct` with different forms of `Spacing` returned.
+ #[derive(Clone)]
+ pub struct Punct {
+- op: char,
++ ch: char,
+ spacing: Spacing,
+ span: Span,
+ }
+@@ -695,9 +731,9 @@ impl Punct {
+ ///
+ /// The returned `Punct` will have the default span of `Span::call_site()`
+ /// which can be further configured with the `set_span` method below.
+- pub fn new(op: char, spacing: Spacing) -> Punct {
++ pub fn new(ch: char, spacing: Spacing) -> Punct {
+ Punct {
+- op,
++ ch,
+ spacing,
+ span: Span::call_site(),
+ }
+@@ -705,7 +741,7 @@ impl Punct {
+
+ /// Returns the value of this punctuation character as `char`.
+ pub fn as_char(&self) -> char {
+- self.op
++ self.ch
+ }
+
+ /// Returns the spacing of this punctuation character, indicating whether
+@@ -730,16 +766,16 @@ impl Punct {
+
+ /// Prints the punctuation character as a string that should be losslessly
+ /// convertible back into the same character.
+-impl fmt::Display for Punct {
++impl Display for Punct {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.op.fmt(f)
++ Display::fmt(&self.ch, f)
+ }
+ }
+
+-impl fmt::Debug for Punct {
++impl Debug for Punct {
+ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+ let mut debug = fmt.debug_struct("Punct");
+- debug.field("op", &self.op);
++ debug.field("char", &self.ch);
+ debug.field("spacing", &self.spacing);
+ imp::debug_span_field_if_nontrivial(&mut debug, self.span.inner);
+ debug.finish()
+@@ -813,14 +849,14 @@ impl fmt::Debug for Punct {
+ #[derive(Clone)]
+ pub struct Ident {
+ inner: imp::Ident,
+- _marker: marker::PhantomData<Rc<()>>,
++ _marker: Marker,
+ }
+
+ impl Ident {
+ fn _new(inner: imp::Ident) -> Ident {
+ Ident {
+ inner,
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+
+@@ -920,15 +956,15 @@ impl Hash for Ident {
+
+ /// Prints the identifier as a string that should be losslessly convertible back
+ /// into the same identifier.
+-impl fmt::Display for Ident {
++impl Display for Ident {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Display::fmt(&self.inner, f)
+ }
+ }
+
+-impl fmt::Debug for Ident {
++impl Debug for Ident {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Debug::fmt(&self.inner, f)
+ }
+ }
+
+@@ -941,7 +977,7 @@ impl fmt::Debug for Ident {
+ #[derive(Clone)]
+ pub struct Literal {
+ inner: imp::Literal,
+- _marker: marker::PhantomData<Rc<()>>,
++ _marker: Marker,
+ }
+
+ macro_rules! suffixed_int_literals {
+@@ -988,14 +1024,14 @@ impl Literal {
+ fn _new(inner: imp::Literal) -> Literal {
+ Literal {
+ inner,
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+
+ fn _new_stable(inner: fallback::Literal) -> Literal {
+ Literal {
+ inner: inner.into(),
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+
+@@ -1140,26 +1176,25 @@ impl Literal {
+ }
+ }
+
+-impl fmt::Debug for Literal {
++impl Debug for Literal {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Debug::fmt(&self.inner, f)
+ }
+ }
+
+-impl fmt::Display for Literal {
++impl Display for Literal {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Display::fmt(&self.inner, f)
+ }
+ }
+
+ /// Public implementation details for the `TokenStream` type, such as iterators.
+ pub mod token_stream {
+- use std::fmt;
+- use std::marker;
+- use std::rc::Rc;
++ use crate::marker::Marker;
++ use crate::{imp, TokenTree};
++ use std::fmt::{self, Debug};
+
+ pub use crate::TokenStream;
+- use crate::{imp, TokenTree};
+
+ /// An iterator over `TokenStream`'s `TokenTree`s.
+ ///
+@@ -1168,7 +1203,7 @@ pub mod token_stream {
+ #[derive(Clone)]
+ pub struct IntoIter {
+ inner: imp::TokenTreeIter,
+- _marker: marker::PhantomData<Rc<()>>,
++ _marker: Marker,
+ }
+
+ impl Iterator for IntoIter {
+@@ -1179,9 +1214,9 @@ pub mod token_stream {
+ }
+ }
+
+- impl fmt::Debug for IntoIter {
++ impl Debug for IntoIter {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+- self.inner.fmt(f)
++ Debug::fmt(&self.inner, f)
+ }
+ }
+
+@@ -1192,7 +1227,7 @@ pub mod token_stream {
+ fn into_iter(self) -> IntoIter {
+ IntoIter {
+ inner: self.inner.into_iter(),
+- _marker: marker::PhantomData,
++ _marker: Marker,
+ }
+ }
+ }
+diff --git a/third_party/rust/proc-macro2/src/marker.rs b/third_party/rust/proc-macro2/src/marker.rs
+new file mode 100644
+index 0000000000..58729baf4a
+--- /dev/null
++++ b/third_party/rust/proc-macro2/src/marker.rs
+@@ -0,0 +1,18 @@
++use std::marker::PhantomData;
++use std::panic::{RefUnwindSafe, UnwindSafe};
++use std::rc::Rc;
++
++// Zero sized marker with the correct set of autotrait impls we want all proc
++// macro types to have.
++pub(crate) type Marker = PhantomData<ProcMacroAutoTraits>;
++
++pub(crate) use self::value::*;
++
++mod value {
++ pub(crate) use std::marker::PhantomData as Marker;
++}
++
++pub(crate) struct ProcMacroAutoTraits(Rc<()>);
++
++impl UnwindSafe for ProcMacroAutoTraits {}
++impl RefUnwindSafe for ProcMacroAutoTraits {}
+diff --git a/third_party/rust/proc-macro2/src/parse.rs b/third_party/rust/proc-macro2/src/parse.rs
+new file mode 100644
+index 0000000000..365fe0484d
+--- /dev/null
++++ b/third_party/rust/proc-macro2/src/parse.rs
+@@ -0,0 +1,849 @@
++use crate::fallback::{
++ is_ident_continue, is_ident_start, Group, LexError, Literal, Span, TokenStream,
++};
++use crate::{Delimiter, Punct, Spacing, TokenTree};
++use std::char;
++use std::str::{Bytes, CharIndices, Chars};
++
++#[derive(Copy, Clone, Eq, PartialEq)]
++pub(crate) struct Cursor<'a> {
++ pub rest: &'a str,
++ #[cfg(span_locations)]
++ pub off: u32,
++}
++
++impl<'a> Cursor<'a> {
++ fn advance(&self, bytes: usize) -> Cursor<'a> {
++ let (_front, rest) = self.rest.split_at(bytes);
++ Cursor {
++ rest,
++ #[cfg(span_locations)]
++ off: self.off + _front.chars().count() as u32,
++ }
++ }
++
++ fn starts_with(&self, s: &str) -> bool {
++ self.rest.starts_with(s)
++ }
++
++ pub(crate) fn is_empty(&self) -> bool {
++ self.rest.is_empty()
++ }
++
++ fn len(&self) -> usize {
++ self.rest.len()
++ }
++
++ fn as_bytes(&self) -> &'a [u8] {
++ self.rest.as_bytes()
++ }
++
++ fn bytes(&self) -> Bytes<'a> {
++ self.rest.bytes()
++ }
++
++ fn chars(&self) -> Chars<'a> {
++ self.rest.chars()
++ }
++
++ fn char_indices(&self) -> CharIndices<'a> {
++ self.rest.char_indices()
++ }
++
++ fn parse(&self, tag: &str) -> Result<Cursor<'a>, LexError> {
++ if self.starts_with(tag) {
++ Ok(self.advance(tag.len()))
++ } else {
++ Err(LexError)
++ }
++ }
++}
++
++type PResult<'a, O> = Result<(Cursor<'a>, O), LexError>;
++
++fn skip_whitespace(input: Cursor) -> Cursor {
++ let mut s = input;
++
++ while !s.is_empty() {
++ let byte = s.as_bytes()[0];
++ if byte == b'/' {
++ if s.starts_with("//")
++ && (!s.starts_with("///") || s.starts_with("////"))
++ && !s.starts_with("//!")
++ {
++ let (cursor, _) = take_until_newline_or_eof(s);
++ s = cursor;
++ continue;
++ } else if s.starts_with("/**/") {
++ s = s.advance(4);
++ continue;
++ } else if s.starts_with("/*")
++ && (!s.starts_with("/**") || s.starts_with("/***"))
++ && !s.starts_with("/*!")
++ {
++ match block_comment(s) {
++ Ok((rest, _)) => {
++ s = rest;
++ continue;
++ }
++ Err(LexError) => return s,
++ }
++ }
++ }
++ match byte {
++ b' ' | 0x09..=0x0d => {
++ s = s.advance(1);
++ continue;
++ }
++ b if b <= 0x7f => {}
++ _ => {
++ let ch = s.chars().next().unwrap();
++ if is_whitespace(ch) {
++ s = s.advance(ch.len_utf8());
++ continue;
++ }
++ }
++ }
++ return s;
++ }
++ s
++}
++
++fn block_comment(input: Cursor) -> PResult<&str> {
++ if !input.starts_with("/*") {
++ return Err(LexError);
++ }
++
++ let mut depth = 0;
++ let bytes = input.as_bytes();
++ let mut i = 0;
++ let upper = bytes.len() - 1;
++
++ while i < upper {
++ if bytes[i] == b'/' && bytes[i + 1] == b'*' {
++ depth += 1;
++ i += 1; // eat '*'
++ } else if bytes[i] == b'*' && bytes[i + 1] == b'/' {
++ depth -= 1;
++ if depth == 0 {
++ return Ok((input.advance(i + 2), &input.rest[..i + 2]));
++ }
++ i += 1; // eat '/'
++ }
++ i += 1;
++ }
++
++ Err(LexError)
++}
++
++fn is_whitespace(ch: char) -> bool {
++ // Rust treats left-to-right mark and right-to-left mark as whitespace
++ ch.is_whitespace() || ch == '\u{200e}' || ch == '\u{200f}'
++}
++
++fn word_break(input: Cursor) -> Result<Cursor, LexError> {
++ match input.chars().next() {
++ Some(ch) if is_ident_continue(ch) => Err(LexError),
++ Some(_) | None => Ok(input),
++ }
++}
++
++pub(crate) fn token_stream(mut input: Cursor) -> PResult<TokenStream> {
++ let mut trees = Vec::new();
++ let mut stack = Vec::new();
++
++ loop {
++ input = skip_whitespace(input);
++
++ if let Ok((rest, tt)) = doc_comment(input) {
++ trees.extend(tt);
++ input = rest;
++ continue;
++ }
++
++ #[cfg(span_locations)]
++ let lo = input.off;
++
++ let first = match input.bytes().next() {
++ Some(first) => first,
++ None => break,
++ };
++
++ if let Some(open_delimiter) = match first {
++ b'(' => Some(Delimiter::Parenthesis),
++ b'[' => Some(Delimiter::Bracket),
++ b'{' => Some(Delimiter::Brace),
++ _ => None,
++ } {
++ input = input.advance(1);
++ let frame = (open_delimiter, trees);
++ #[cfg(span_locations)]
++ let frame = (lo, frame);
++ stack.push(frame);
++ trees = Vec::new();
++ } else if let Some(close_delimiter) = match first {
++ b')' => Some(Delimiter::Parenthesis),
++ b']' => Some(Delimiter::Bracket),
++ b'}' => Some(Delimiter::Brace),
++ _ => None,
++ } {
++ input = input.advance(1);
++ let frame = stack.pop().ok_or(LexError)?;
++ #[cfg(span_locations)]
++ let (lo, frame) = frame;
++ let (open_delimiter, outer) = frame;
++ if open_delimiter != close_delimiter {
++ return Err(LexError);
++ }
++ let mut g = Group::new(open_delimiter, TokenStream { inner: trees });
++ g.set_span(Span {
++ #[cfg(span_locations)]
++ lo,
++ #[cfg(span_locations)]
++ hi: input.off,
++ });
++ trees = outer;
++ trees.push(TokenTree::Group(crate::Group::_new_stable(g)));
++ } else {
++ let (rest, mut tt) = leaf_token(input)?;
++ tt.set_span(crate::Span::_new_stable(Span {
++ #[cfg(span_locations)]
++ lo,
++ #[cfg(span_locations)]
++ hi: rest.off,
++ }));
++ trees.push(tt);
++ input = rest;
++ }
++ }
++
++ if stack.is_empty() {
++ Ok((input, TokenStream { inner: trees }))
++ } else {
++ Err(LexError)
++ }
++}
++
++fn leaf_token(input: Cursor) -> PResult<TokenTree> {
++ if let Ok((input, l)) = literal(input) {
++ // must be parsed before ident
++ Ok((input, TokenTree::Literal(crate::Literal::_new_stable(l))))
++ } else if let Ok((input, p)) = punct(input) {
++ Ok((input, TokenTree::Punct(p)))
++ } else if let Ok((input, i)) = ident(input) {
++ Ok((input, TokenTree::Ident(i)))
++ } else {
++ Err(LexError)
++ }
++}
++
++fn ident(input: Cursor) -> PResult<crate::Ident> {
++ if ["r\"", "r#\"", "r##", "b\"", "b\'", "br\"", "br#"]
++ .iter()
++ .any(|prefix| input.starts_with(prefix))
++ {
++ Err(LexError)
++ } else {
++ ident_any(input)
++ }
++}
++
++fn ident_any(input: Cursor) -> PResult<crate::Ident> {
++ let raw = input.starts_with("r#");
++ let rest = input.advance((raw as usize) << 1);
++
++ let (rest, sym) = ident_not_raw(rest)?;
++
++ if !raw {
++ let ident = crate::Ident::new(sym, crate::Span::call_site());
++ return Ok((rest, ident));
++ }
++
++ if sym == "_" {
++ return Err(LexError);
++ }
++
++ let ident = crate::Ident::_new_raw(sym, crate::Span::call_site());
++ Ok((rest, ident))
++}
++
++fn ident_not_raw(input: Cursor) -> PResult<&str> {
++ let mut chars = input.char_indices();
++
++ match chars.next() {
++ Some((_, ch)) if is_ident_start(ch) => {}
++ _ => return Err(LexError),
++ }
++
++ let mut end = input.len();
++ for (i, ch) in chars {
++ if !is_ident_continue(ch) {
++ end = i;
++ break;
++ }
++ }
++
++ Ok((input.advance(end), &input.rest[..end]))
++}
++
++fn literal(input: Cursor) -> PResult<Literal> {
++ match literal_nocapture(input) {
++ Ok(a) => {
++ let end = input.len() - a.len();
++ Ok((a, Literal::_new(input.rest[..end].to_string())))
++ }
++ Err(LexError) => Err(LexError),
++ }
++}
++
++fn literal_nocapture(input: Cursor) -> Result<Cursor, LexError> {
++ if let Ok(ok) = string(input) {
++ Ok(ok)
++ } else if let Ok(ok) = byte_string(input) {
++ Ok(ok)
++ } else if let Ok(ok) = byte(input) {
++ Ok(ok)
++ } else if let Ok(ok) = character(input) {
++ Ok(ok)
++ } else if let Ok(ok) = float(input) {
++ Ok(ok)
++ } else if let Ok(ok) = int(input) {
++ Ok(ok)
++ } else {
++ Err(LexError)
++ }
++}
++
++fn literal_suffix(input: Cursor) -> Cursor {
++ match ident_not_raw(input) {
++ Ok((input, _)) => input,
++ Err(LexError) => input,
++ }
++}
++
++fn string(input: Cursor) -> Result<Cursor, LexError> {
++ if let Ok(input) = input.parse("\"") {
++ cooked_string(input)
++ } else if let Ok(input) = input.parse("r") {
++ raw_string(input)
++ } else {
++ Err(LexError)
++ }
++}
++
++fn cooked_string(input: Cursor) -> Result<Cursor, LexError> {
++ let mut chars = input.char_indices().peekable();
++
++ while let Some((i, ch)) = chars.next() {
++ match ch {
++ '"' => {
++ let input = input.advance(i + 1);
++ return Ok(literal_suffix(input));
++ }
++ '\r' => match chars.next() {
++ Some((_, '\n')) => {}
++ _ => break,
++ },
++ '\\' => match chars.next() {
++ Some((_, 'x')) => {
++ if !backslash_x_char(&mut chars) {
++ break;
++ }
++ }
++ Some((_, 'n')) | Some((_, 'r')) | Some((_, 't')) | Some((_, '\\'))
++ | Some((_, '\'')) | Some((_, '"')) | Some((_, '0')) => {}
++ Some((_, 'u')) => {
++ if !backslash_u(&mut chars) {
++ break;
++ }
++ }
++ Some((_, ch @ '\n')) | Some((_, ch @ '\r')) => {
++ let mut last = ch;
++ loop {
++ if last == '\r' && chars.next().map_or(true, |(_, ch)| ch != '\n') {
++ return Err(LexError);
++ }
++ match chars.peek() {
++ Some((_, ch)) if ch.is_whitespace() => {
++ last = *ch;
++ chars.next();
++ }
++ _ => break,
++ }
++ }
++ }
++ _ => break,
++ },
++ _ch => {}
++ }
++ }
++ Err(LexError)
++}
++
++fn byte_string(input: Cursor) -> Result<Cursor, LexError> {
++ if let Ok(input) = input.parse("b\"") {
++ cooked_byte_string(input)
++ } else if let Ok(input) = input.parse("br") {
++ raw_string(input)
++ } else {
++ Err(LexError)
++ }
++}
++
++fn cooked_byte_string(mut input: Cursor) -> Result<Cursor, LexError> {
++ let mut bytes = input.bytes().enumerate();
++ while let Some((offset, b)) = bytes.next() {
++ match b {
++ b'"' => {
++ let input = input.advance(offset + 1);
++ return Ok(literal_suffix(input));
++ }
++ b'\r' => match bytes.next() {
++ Some((_, b'\n')) => {}
++ _ => break,
++ },
++ b'\\' => match bytes.next() {
++ Some((_, b'x')) => {
++ if !backslash_x_byte(&mut bytes) {
++ break;
++ }
++ }
++ Some((_, b'n')) | Some((_, b'r')) | Some((_, b't')) | Some((_, b'\\'))
++ | Some((_, b'0')) | Some((_, b'\'')) | Some((_, b'"')) => {}
++ Some((newline, b @ b'\n')) | Some((newline, b @ b'\r')) => {
++ let mut last = b as char;
++ let rest = input.advance(newline + 1);
++ let mut chars = rest.char_indices();
++ loop {
++ if last == '\r' && chars.next().map_or(true, |(_, ch)| ch != '\n') {
++ return Err(LexError);
++ }
++ match chars.next() {
++ Some((_, ch)) if ch.is_whitespace() => last = ch,
++ Some((offset, _)) => {
++ input = rest.advance(offset);
++ bytes = input.bytes().enumerate();
++ break;
++ }
++ None => return Err(LexError),
++ }
++ }
++ }
++ _ => break,
++ },
++ b if b < 0x80 => {}
++ _ => break,
++ }
++ }
++ Err(LexError)
++}
++
++fn raw_string(input: Cursor) -> Result<Cursor, LexError> {
++ let mut chars = input.char_indices();
++ let mut n = 0;
++ while let Some((i, ch)) = chars.next() {
++ match ch {
++ '"' => {
++ n = i;
++ break;
++ }
++ '#' => {}
++ _ => return Err(LexError),
++ }
++ }
++ while let Some((i, ch)) = chars.next() {
++ match ch {
++ '"' if input.rest[i + 1..].starts_with(&input.rest[..n]) => {
++ let rest = input.advance(i + 1 + n);
++ return Ok(literal_suffix(rest));
++ }
++ '\r' => match chars.next() {
++ Some((_, '\n')) => {}
++ _ => break,
++ },
++ _ => {}
++ }
++ }
++ Err(LexError)
++}
++
++fn byte(input: Cursor) -> Result<Cursor, LexError> {
++ let input = input.parse("b'")?;
++ let mut bytes = input.bytes().enumerate();
++ let ok = match bytes.next().map(|(_, b)| b) {
++ Some(b'\\') => match bytes.next().map(|(_, b)| b) {
++ Some(b'x') => backslash_x_byte(&mut bytes),
++ Some(b'n') | Some(b'r') | Some(b't') | Some(b'\\') | Some(b'0') | Some(b'\'')
++ | Some(b'"') => true,
++ _ => false,
++ },
++ b => b.is_some(),
++ };
++ if !ok {
++ return Err(LexError);
++ }
++ let (offset, _) = bytes.next().ok_or(LexError)?;
++ if !input.chars().as_str().is_char_boundary(offset) {
++ return Err(LexError);
++ }
++ let input = input.advance(offset).parse("'")?;
++ Ok(literal_suffix(input))
++}
++
++fn character(input: Cursor) -> Result<Cursor, LexError> {
++ let input = input.parse("'")?;
++ let mut chars = input.char_indices();
++ let ok = match chars.next().map(|(_, ch)| ch) {
++ Some('\\') => match chars.next().map(|(_, ch)| ch) {
++ Some('x') => backslash_x_char(&mut chars),
++ Some('u') => backslash_u(&mut chars),
++ Some('n') | Some('r') | Some('t') | Some('\\') | Some('0') | Some('\'') | Some('"') => {
++ true
++ }
++ _ => false,
++ },
++ ch => ch.is_some(),
++ };
++ if !ok {
++ return Err(LexError);
++ }
++ let (idx, _) = chars.next().ok_or(LexError)?;
++ let input = input.advance(idx).parse("'")?;
++ Ok(literal_suffix(input))
++}
++
++macro_rules! next_ch {
++ ($chars:ident @ $pat:pat $(| $rest:pat)*) => {
++ match $chars.next() {
++ Some((_, ch)) => match ch {
++ $pat $(| $rest)* => ch,
++ _ => return false,
++ },
++ None => return false,
++ }
++ };
++}
++
++fn backslash_x_char<I>(chars: &mut I) -> bool
++where
++ I: Iterator<Item = (usize, char)>,
++{
++ next_ch!(chars @ '0'..='7');
++ next_ch!(chars @ '0'..='9' | 'a'..='f' | 'A'..='F');
++ true
++}
++
++fn backslash_x_byte<I>(chars: &mut I) -> bool
++where
++ I: Iterator<Item = (usize, u8)>,
++{
++ next_ch!(chars @ b'0'..=b'9' | b'a'..=b'f' | b'A'..=b'F');
++ next_ch!(chars @ b'0'..=b'9' | b'a'..=b'f' | b'A'..=b'F');
++ true
++}
++
++fn backslash_u<I>(chars: &mut I) -> bool
++where
++ I: Iterator<Item = (usize, char)>,
++{
++ next_ch!(chars @ '{');
++ let mut value = 0;
++ let mut len = 0;
++ while let Some((_, ch)) = chars.next() {
++ let digit = match ch {
++ '0'..='9' => ch as u8 - b'0',
++ 'a'..='f' => 10 + ch as u8 - b'a',
++ 'A'..='F' => 10 + ch as u8 - b'A',
++ '_' if len > 0 => continue,
++ '}' if len > 0 => return char::from_u32(value).is_some(),
++ _ => return false,
++ };
++ if len == 6 {
++ return false;
++ }
++ value *= 0x10;
++ value += u32::from(digit);
++ len += 1;
++ }
++ false
++}
++
++fn float(input: Cursor) -> Result<Cursor, LexError> {
++ let mut rest = float_digits(input)?;
++ if let Some(ch) = rest.chars().next() {
++ if is_ident_start(ch) {
++ rest = ident_not_raw(rest)?.0;
++ }
++ }
++ word_break(rest)
++}
++
++fn float_digits(input: Cursor) -> Result<Cursor, LexError> {
++ let mut chars = input.chars().peekable();
++ match chars.next() {
++ Some(ch) if ch >= '0' && ch <= '9' => {}
++ _ => return Err(LexError),
++ }
++
++ let mut len = 1;
++ let mut has_dot = false;
++ let mut has_exp = false;
++ while let Some(&ch) = chars.peek() {
++ match ch {
++ '0'..='9' | '_' => {
++ chars.next();
++ len += 1;
++ }
++ '.' => {
++ if has_dot {
++ break;
++ }
++ chars.next();
++ if chars
++ .peek()
++ .map(|&ch| ch == '.' || is_ident_start(ch))
++ .unwrap_or(false)
++ {
++ return Err(LexError);
++ }
++ len += 1;
++ has_dot = true;
++ }
++ 'e' | 'E' => {
++ chars.next();
++ len += 1;
++ has_exp = true;
++ break;
++ }
++ _ => break,
++ }
++ }
++
++ if !(has_dot || has_exp) {
++ return Err(LexError);
++ }
++
++ if has_exp {
++ let token_before_exp = if has_dot {
++ Ok(input.advance(len - 1))
++ } else {
++ Err(LexError)
++ };
++ let mut has_sign = false;
++ let mut has_exp_value = false;
++ while let Some(&ch) = chars.peek() {
++ match ch {
++ '+' | '-' => {
++ if has_exp_value {
++ break;
++ }
++ if has_sign {
++ return token_before_exp;
++ }
++ chars.next();
++ len += 1;
++ has_sign = true;
++ }
++ '0'..='9' => {
++ chars.next();
++ len += 1;
++ has_exp_value = true;
++ }
++ '_' => {
++ chars.next();
++ len += 1;
++ }
++ _ => break,
++ }
++ }
++ if !has_exp_value {
++ return token_before_exp;
++ }
++ }
++
++ Ok(input.advance(len))
++}
++
++fn int(input: Cursor) -> Result<Cursor, LexError> {
++ let mut rest = digits(input)?;
++ if let Some(ch) = rest.chars().next() {
++ if is_ident_start(ch) {
++ rest = ident_not_raw(rest)?.0;
++ }
++ }
++ word_break(rest)
++}
++
++fn digits(mut input: Cursor) -> Result<Cursor, LexError> {
++ let base = if input.starts_with("0x") {
++ input = input.advance(2);
++ 16
++ } else if input.starts_with("0o") {
++ input = input.advance(2);
++ 8
++ } else if input.starts_with("0b") {
++ input = input.advance(2);
++ 2
++ } else {
++ 10
++ };
++
++ let mut len = 0;
++ let mut empty = true;
++ for b in input.bytes() {
++ match b {
++ b'0'..=b'9' => {
++ let digit = (b - b'0') as u64;
++ if digit >= base {
++ return Err(LexError);
++ }
++ }
++ b'a'..=b'f' => {
++ let digit = 10 + (b - b'a') as u64;
++ if digit >= base {
++ break;
++ }
++ }
++ b'A'..=b'F' => {
++ let digit = 10 + (b - b'A') as u64;
++ if digit >= base {
++ break;
++ }
++ }
++ b'_' => {
++ if empty && base == 10 {
++ return Err(LexError);
++ }
++ len += 1;
++ continue;
++ }
++ _ => break,
++ };
++ len += 1;
++ empty = false;
++ }
++ if empty {
++ Err(LexError)
++ } else {
++ Ok(input.advance(len))
++ }
++}
++
++fn punct(input: Cursor) -> PResult<Punct> {
++ match punct_char(input) {
++ Ok((rest, '\'')) => {
++ if ident_any(rest)?.0.starts_with("'") {
++ Err(LexError)
++ } else {
++ Ok((rest, Punct::new('\'', Spacing::Joint)))
++ }
++ }
++ Ok((rest, ch)) => {
++ let kind = match punct_char(rest) {
++ Ok(_) => Spacing::Joint,
++ Err(LexError) => Spacing::Alone,
++ };
++ Ok((rest, Punct::new(ch, kind)))
++ }
++ Err(LexError) => Err(LexError),
++ }
++}
++
++fn punct_char(input: Cursor) -> PResult<char> {
++ if input.starts_with("//") || input.starts_with("/*") {
++ // Do not accept `/` of a comment as a punct.
++ return Err(LexError);
++ }
++
++ let mut chars = input.chars();
++ let first = match chars.next() {
++ Some(ch) => ch,
++ None => {
++ return Err(LexError);
++ }
++ };
++ let recognized = "~!@#$%^&*-=+|;:,<.>/?'";
++ if recognized.contains(first) {
++ Ok((input.advance(first.len_utf8()), first))
++ } else {
++ Err(LexError)
++ }
++}
++
++fn doc_comment(input: Cursor) -> PResult<Vec<TokenTree>> {
++ #[cfg(span_locations)]
++ let lo = input.off;
++ let (rest, (comment, inner)) = doc_comment_contents(input)?;
++ let span = crate::Span::_new_stable(Span {
++ #[cfg(span_locations)]
++ lo,
++ #[cfg(span_locations)]
++ hi: rest.off,
++ });
++
++ let mut scan_for_bare_cr = comment;
++ while let Some(cr) = scan_for_bare_cr.find('\r') {
++ let rest = &scan_for_bare_cr[cr + 1..];
++ if !rest.starts_with('\n') {
++ return Err(LexError);
++ }
++ scan_for_bare_cr = rest;
++ }
++
++ let mut trees = Vec::new();
++ trees.push(TokenTree::Punct(Punct::new('#', Spacing::Alone)));
++ if inner {
++ trees.push(Punct::new('!', Spacing::Alone).into());
++ }
++ let mut stream = vec![
++ TokenTree::Ident(crate::Ident::new("doc", span)),
++ TokenTree::Punct(Punct::new('=', Spacing::Alone)),
++ TokenTree::Literal(crate::Literal::string(comment)),
++ ];
++ for tt in stream.iter_mut() {
++ tt.set_span(span);
++ }
++ let group = Group::new(Delimiter::Bracket, stream.into_iter().collect());
++ trees.push(crate::Group::_new_stable(group).into());
++ for tt in trees.iter_mut() {
++ tt.set_span(span);
++ }
++ Ok((rest, trees))
++}
++
++fn doc_comment_contents(input: Cursor) -> PResult<(&str, bool)> {
++ if input.starts_with("//!") {
++ let input = input.advance(3);
++ let (input, s) = take_until_newline_or_eof(input);
++ Ok((input, (s, true)))
++ } else if input.starts_with("/*!") {
++ let (input, s) = block_comment(input)?;
++ Ok((input, (&s[3..s.len() - 2], true)))
++ } else if input.starts_with("///") {
++ let input = input.advance(3);
++ if input.starts_with("/") {
++ return Err(LexError);
++ }
++ let (input, s) = take_until_newline_or_eof(input);
++ Ok((input, (s, false)))
++ } else if input.starts_with("/**") && !input.rest[3..].starts_with('*') {
++ let (input, s) = block_comment(input)?;
++ Ok((input, (&s[3..s.len() - 2], false)))
++ } else {
++ Err(LexError)
++ }
++}
++
++fn take_until_newline_or_eof(input: Cursor) -> (Cursor, &str) {
++ let chars = input.char_indices();
++
++ for (i, ch) in chars {
++ if ch == '\n' {
++ return (input.advance(i), &input.rest[..i]);
++ } else if ch == '\r' && input.rest[i + 1..].starts_with('\n') {
++ return (input.advance(i + 1), &input.rest[..i]);
++ }
++ }
++
++ (input.advance(input.len()), input.rest)
++}
+diff --git a/third_party/rust/proc-macro2/src/strnom.rs b/third_party/rust/proc-macro2/src/strnom.rs
+deleted file mode 100644
+index eb7d0b8a8e..0000000000
+--- a/third_party/rust/proc-macro2/src/strnom.rs
++++ /dev/null
+@@ -1,391 +0,0 @@
+-//! Adapted from [`nom`](https://github.com/Geal/nom).
+-
+-use crate::fallback::LexError;
+-use std::str::{Bytes, CharIndices, Chars};
+-use unicode_xid::UnicodeXID;
+-
+-#[derive(Copy, Clone, Eq, PartialEq)]
+-pub struct Cursor<'a> {
+- pub rest: &'a str,
+- #[cfg(span_locations)]
+- pub off: u32,
+-}
+-
+-impl<'a> Cursor<'a> {
+- #[cfg(not(span_locations))]
+- pub fn advance(&self, amt: usize) -> Cursor<'a> {
+- Cursor {
+- rest: &self.rest[amt..],
+- }
+- }
+- #[cfg(span_locations)]
+- pub fn advance(&self, amt: usize) -> Cursor<'a> {
+- Cursor {
+- rest: &self.rest[amt..],
+- off: self.off + (amt as u32),
+- }
+- }
+-
+- pub fn find(&self, p: char) -> Option<usize> {
+- self.rest.find(p)
+- }
+-
+- pub fn starts_with(&self, s: &str) -> bool {
+- self.rest.starts_with(s)
+- }
+-
+- pub fn is_empty(&self) -> bool {
+- self.rest.is_empty()
+- }
+-
+- pub fn len(&self) -> usize {
+- self.rest.len()
+- }
+-
+- pub fn as_bytes(&self) -> &'a [u8] {
+- self.rest.as_bytes()
+- }
+-
+- pub fn bytes(&self) -> Bytes<'a> {
+- self.rest.bytes()
+- }
+-
+- pub fn chars(&self) -> Chars<'a> {
+- self.rest.chars()
+- }
+-
+- pub fn char_indices(&self) -> CharIndices<'a> {
+- self.rest.char_indices()
+- }
+-}
+-
+-pub type PResult<'a, O> = Result<(Cursor<'a>, O), LexError>;
+-
+-pub fn whitespace(input: Cursor) -> PResult<()> {
+- if input.is_empty() {
+- return Err(LexError);
+- }
+-
+- let bytes = input.as_bytes();
+- let mut i = 0;
+- while i < bytes.len() {
+- let s = input.advance(i);
+- if bytes[i] == b'/' {
+- if s.starts_with("//")
+- && (!s.starts_with("///") || s.starts_with("////"))
+- && !s.starts_with("//!")
+- {
+- if let Some(len) = s.find('\n') {
+- i += len + 1;
+- continue;
+- }
+- break;
+- } else if s.starts_with("/**/") {
+- i += 4;
+- continue;
+- } else if s.starts_with("/*")
+- && (!s.starts_with("/**") || s.starts_with("/***"))
+- && !s.starts_with("/*!")
+- {
+- let (_, com) = block_comment(s)?;
+- i += com.len();
+- continue;
+- }
+- }
+- match bytes[i] {
+- b' ' | 0x09..=0x0d => {
+- i += 1;
+- continue;
+- }
+- b if b <= 0x7f => {}
+- _ => {
+- let ch = s.chars().next().unwrap();
+- if is_whitespace(ch) {
+- i += ch.len_utf8();
+- continue;
+- }
+- }
+- }
+- return if i > 0 { Ok((s, ())) } else { Err(LexError) };
+- }
+- Ok((input.advance(input.len()), ()))
+-}
+-
+-pub fn block_comment(input: Cursor) -> PResult<&str> {
+- if !input.starts_with("/*") {
+- return Err(LexError);
+- }
+-
+- let mut depth = 0;
+- let bytes = input.as_bytes();
+- let mut i = 0;
+- let upper = bytes.len() - 1;
+- while i < upper {
+- if bytes[i] == b'/' && bytes[i + 1] == b'*' {
+- depth += 1;
+- i += 1; // eat '*'
+- } else if bytes[i] == b'*' && bytes[i + 1] == b'/' {
+- depth -= 1;
+- if depth == 0 {
+- return Ok((input.advance(i + 2), &input.rest[..i + 2]));
+- }
+- i += 1; // eat '/'
+- }
+- i += 1;
+- }
+- Err(LexError)
+-}
+-
+-pub fn skip_whitespace(input: Cursor) -> Cursor {
+- match whitespace(input) {
+- Ok((rest, _)) => rest,
+- Err(LexError) => input,
+- }
+-}
+-
+-fn is_whitespace(ch: char) -> bool {
+- // Rust treats left-to-right mark and right-to-left mark as whitespace
+- ch.is_whitespace() || ch == '\u{200e}' || ch == '\u{200f}'
+-}
+-
+-pub fn word_break(input: Cursor) -> PResult<()> {
+- match input.chars().next() {
+- Some(ch) if UnicodeXID::is_xid_continue(ch) => Err(LexError),
+- Some(_) | None => Ok((input, ())),
+- }
+-}
+-
+-macro_rules! named {
+- ($name:ident -> $o:ty, $submac:ident!( $($args:tt)* )) => {
+- fn $name<'a>(i: Cursor<'a>) -> $crate::strnom::PResult<'a, $o> {
+- $submac!(i, $($args)*)
+- }
+- };
+-}
+-
+-macro_rules! alt {
+- ($i:expr, $e:ident | $($rest:tt)*) => {
+- alt!($i, call!($e) | $($rest)*)
+- };
+-
+- ($i:expr, $subrule:ident!( $($args:tt)*) | $($rest:tt)*) => {
+- match $subrule!($i, $($args)*) {
+- res @ Ok(_) => res,
+- _ => alt!($i, $($rest)*)
+- }
+- };
+-
+- ($i:expr, $subrule:ident!( $($args:tt)* ) => { $gen:expr } | $($rest:tt)+) => {
+- match $subrule!($i, $($args)*) {
+- Ok((i, o)) => Ok((i, $gen(o))),
+- Err(LexError) => alt!($i, $($rest)*)
+- }
+- };
+-
+- ($i:expr, $e:ident => { $gen:expr } | $($rest:tt)*) => {
+- alt!($i, call!($e) => { $gen } | $($rest)*)
+- };
+-
+- ($i:expr, $e:ident => { $gen:expr }) => {
+- alt!($i, call!($e) => { $gen })
+- };
+-
+- ($i:expr, $subrule:ident!( $($args:tt)* ) => { $gen:expr }) => {
+- match $subrule!($i, $($args)*) {
+- Ok((i, o)) => Ok((i, $gen(o))),
+- Err(LexError) => Err(LexError),
+- }
+- };
+-
+- ($i:expr, $e:ident) => {
+- alt!($i, call!($e))
+- };
+-
+- ($i:expr, $subrule:ident!( $($args:tt)*)) => {
+- $subrule!($i, $($args)*)
+- };
+-}
+-
+-macro_rules! do_parse {
+- ($i:expr, ( $($rest:expr),* )) => {
+- Ok(($i, ( $($rest),* )))
+- };
+-
+- ($i:expr, $e:ident >> $($rest:tt)*) => {
+- do_parse!($i, call!($e) >> $($rest)*)
+- };
+-
+- ($i:expr, $submac:ident!( $($args:tt)* ) >> $($rest:tt)*) => {
+- match $submac!($i, $($args)*) {
+- Err(LexError) => Err(LexError),
+- Ok((i, _)) => do_parse!(i, $($rest)*),
+- }
+- };
+-
+- ($i:expr, $field:ident : $e:ident >> $($rest:tt)*) => {
+- do_parse!($i, $field: call!($e) >> $($rest)*)
+- };
+-
+- ($i:expr, $field:ident : $submac:ident!( $($args:tt)* ) >> $($rest:tt)*) => {
+- match $submac!($i, $($args)*) {
+- Err(LexError) => Err(LexError),
+- Ok((i, o)) => {
+- let $field = o;
+- do_parse!(i, $($rest)*)
+- },
+- }
+- };
+-}
+-
+-macro_rules! peek {
+- ($i:expr, $submac:ident!( $($args:tt)* )) => {
+- match $submac!($i, $($args)*) {
+- Ok((_, o)) => Ok(($i, o)),
+- Err(LexError) => Err(LexError),
+- }
+- };
+-}
+-
+-macro_rules! call {
+- ($i:expr, $fun:expr $(, $args:expr)*) => {
+- $fun($i $(, $args)*)
+- };
+-}
+-
+-macro_rules! option {
+- ($i:expr, $f:expr) => {
+- match $f($i) {
+- Ok((i, o)) => Ok((i, Some(o))),
+- Err(LexError) => Ok(($i, None)),
+- }
+- };
+-}
+-
+-macro_rules! take_until_newline_or_eof {
+- ($i:expr,) => {{
+- if $i.len() == 0 {
+- Ok(($i, ""))
+- } else {
+- match $i.find('\n') {
+- Some(i) => Ok(($i.advance(i), &$i.rest[..i])),
+- None => Ok(($i.advance($i.len()), &$i.rest[..$i.len()])),
+- }
+- }
+- }};
+-}
+-
+-macro_rules! tuple {
+- ($i:expr, $($rest:tt)*) => {
+- tuple_parser!($i, (), $($rest)*)
+- };
+-}
+-
+-/// Do not use directly. Use `tuple!`.
+-macro_rules! tuple_parser {
+- ($i:expr, ($($parsed:tt),*), $e:ident, $($rest:tt)*) => {
+- tuple_parser!($i, ($($parsed),*), call!($e), $($rest)*)
+- };
+-
+- ($i:expr, (), $submac:ident!( $($args:tt)* ), $($rest:tt)*) => {
+- match $submac!($i, $($args)*) {
+- Err(LexError) => Err(LexError),
+- Ok((i, o)) => tuple_parser!(i, (o), $($rest)*),
+- }
+- };
+-
+- ($i:expr, ($($parsed:tt)*), $submac:ident!( $($args:tt)* ), $($rest:tt)*) => {
+- match $submac!($i, $($args)*) {
+- Err(LexError) => Err(LexError),
+- Ok((i, o)) => tuple_parser!(i, ($($parsed)* , o), $($rest)*),
+- }
+- };
+-
+- ($i:expr, ($($parsed:tt),*), $e:ident) => {
+- tuple_parser!($i, ($($parsed),*), call!($e))
+- };
+-
+- ($i:expr, (), $submac:ident!( $($args:tt)* )) => {
+- $submac!($i, $($args)*)
+- };
+-
+- ($i:expr, ($($parsed:expr),*), $submac:ident!( $($args:tt)* )) => {
+- match $submac!($i, $($args)*) {
+- Err(LexError) => Err(LexError),
+- Ok((i, o)) => Ok((i, ($($parsed),*, o)))
+- }
+- };
+-
+- ($i:expr, ($($parsed:expr),*)) => {
+- Ok(($i, ($($parsed),*)))
+- };
+-}
+-
+-macro_rules! not {
+- ($i:expr, $submac:ident!( $($args:tt)* )) => {
+- match $submac!($i, $($args)*) {
+- Ok((_, _)) => Err(LexError),
+- Err(LexError) => Ok(($i, ())),
+- }
+- };
+-}
+-
+-macro_rules! tag {
+- ($i:expr, $tag:expr) => {
+- if $i.starts_with($tag) {
+- Ok(($i.advance($tag.len()), &$i.rest[..$tag.len()]))
+- } else {
+- Err(LexError)
+- }
+- };
+-}
+-
+-macro_rules! punct {
+- ($i:expr, $punct:expr) => {
+- $crate::strnom::punct($i, $punct)
+- };
+-}
+-
+-/// Do not use directly. Use `punct!`.
+-pub fn punct<'a>(input: Cursor<'a>, token: &'static str) -> PResult<'a, &'a str> {
+- let input = skip_whitespace(input);
+- if input.starts_with(token) {
+- Ok((input.advance(token.len()), token))
+- } else {
+- Err(LexError)
+- }
+-}
+-
+-macro_rules! preceded {
+- ($i:expr, $submac:ident!( $($args:tt)* ), $submac2:ident!( $($args2:tt)* )) => {
+- match tuple!($i, $submac!($($args)*), $submac2!($($args2)*)) {
+- Ok((remaining, (_, o))) => Ok((remaining, o)),
+- Err(LexError) => Err(LexError),
+- }
+- };
+-
+- ($i:expr, $submac:ident!( $($args:tt)* ), $g:expr) => {
+- preceded!($i, $submac!($($args)*), call!($g))
+- };
+-}
+-
+-macro_rules! delimited {
+- ($i:expr, $submac:ident!( $($args:tt)* ), $($rest:tt)+) => {
+- match tuple_parser!($i, (), $submac!($($args)*), $($rest)*) {
+- Err(LexError) => Err(LexError),
+- Ok((i1, (_, o, _))) => Ok((i1, o))
+- }
+- };
+-}
+-
+-macro_rules! map {
+- ($i:expr, $submac:ident!( $($args:tt)* ), $g:expr) => {
+- match $submac!($i, $($args)*) {
+- Err(LexError) => Err(LexError),
+- Ok((i, o)) => Ok((i, call!(o, $g)))
+- }
+- };
+-
+- ($i:expr, $f:expr, $g:expr) => {
+- map!($i, call!($f), $g)
+- };
+-}
+diff --git a/third_party/rust/proc-macro2/src/wrapper.rs b/third_party/rust/proc-macro2/src/wrapper.rs
+index 552b9381cf..3df044af17 100644
+--- a/third_party/rust/proc-macro2/src/wrapper.rs
++++ b/third_party/rust/proc-macro2/src/wrapper.rs
+@@ -1,15 +1,15 @@
+-use std::fmt;
+-use std::iter;
++use crate::detection::inside_proc_macro;
++use crate::{fallback, Delimiter, Punct, Spacing, TokenTree};
++use std::fmt::{self, Debug, Display};
++use std::iter::FromIterator;
+ use std::ops::RangeBounds;
+-use std::panic::{self, PanicInfo};
++use std::panic;
+ #[cfg(super_unstable)]
+ use std::path::PathBuf;
+ use std::str::FromStr;
+
+-use crate::{fallback, Delimiter, Punct, Spacing, TokenTree};
+-
+ #[derive(Clone)]
+-pub enum TokenStream {
++pub(crate) enum TokenStream {
+ Compiler(DeferredTokenStream),
+ Fallback(fallback::TokenStream),
+ }
+@@ -19,73 +19,16 @@ pub enum TokenStream {
+ // we hold on to the appended tokens and do proc_macro::TokenStream::extend as
+ // late as possible to batch together consecutive uses of the Extend impl.
+ #[derive(Clone)]
+-pub struct DeferredTokenStream {
++pub(crate) struct DeferredTokenStream {
+ stream: proc_macro::TokenStream,
+ extra: Vec<proc_macro::TokenTree>,
+ }
+
+-pub enum LexError {
++pub(crate) enum LexError {
+ Compiler(proc_macro::LexError),
+ Fallback(fallback::LexError),
+ }
+
+-fn nightly_works() -> bool {
+- use std::sync::atomic::*;
+- use std::sync::Once;
+-
+- static WORKS: AtomicUsize = AtomicUsize::new(0);
+- static INIT: Once = Once::new();
+-
+- match WORKS.load(Ordering::SeqCst) {
+- 1 => return false,
+- 2 => return true,
+- _ => {}
+- }
+-
+- // Swap in a null panic hook to avoid printing "thread panicked" to stderr,
+- // then use catch_unwind to determine whether the compiler's proc_macro is
+- // working. When proc-macro2 is used from outside of a procedural macro all
+- // of the proc_macro crate's APIs currently panic.
+- //
+- // The Once is to prevent the possibility of this ordering:
+- //
+- // thread 1 calls take_hook, gets the user's original hook
+- // thread 1 calls set_hook with the null hook
+- // thread 2 calls take_hook, thinks null hook is the original hook
+- // thread 2 calls set_hook with the null hook
+- // thread 1 calls set_hook with the actual original hook
+- // thread 2 calls set_hook with what it thinks is the original hook
+- //
+- // in which the user's hook has been lost.
+- //
+- // There is still a race condition where a panic in a different thread can
+- // happen during the interval that the user's original panic hook is
+- // unregistered such that their hook is incorrectly not called. This is
+- // sufficiently unlikely and less bad than printing panic messages to stderr
+- // on correct use of this crate. Maybe there is a libstd feature request
+- // here. For now, if a user needs to guarantee that this failure mode does
+- // not occur, they need to call e.g. `proc_macro2::Span::call_site()` from
+- // the main thread before launching any other threads.
+- INIT.call_once(|| {
+- type PanicHook = dyn Fn(&PanicInfo) + Sync + Send + 'static;
+-
+- let null_hook: Box<PanicHook> = Box::new(|_panic_info| { /* ignore */ });
+- let sanity_check = &*null_hook as *const PanicHook;
+- let original_hook = panic::take_hook();
+- panic::set_hook(null_hook);
+-
+- let works = panic::catch_unwind(|| proc_macro::Span::call_site()).is_ok();
+- WORKS.store(works as usize + 1, Ordering::SeqCst);
+-
+- let hopefully_null_hook = panic::take_hook();
+- panic::set_hook(original_hook);
+- if sanity_check != &*hopefully_null_hook {
+- panic!("observed race condition in proc_macro2::nightly_works");
+- }
+- });
+- nightly_works()
+-}
+-
+ fn mismatch() -> ! {
+ panic!("stable/nightly mismatch")
+ }
+@@ -103,7 +46,12 @@ impl DeferredTokenStream {
+ }
+
+ fn evaluate_now(&mut self) {
+- self.stream.extend(self.extra.drain(..));
++ // If-check provides a fast short circuit for the common case of `extra`
++ // being empty, which saves a round trip over the proc macro bridge.
++ // Improves macro expansion time in winrt by 6% in debug mode.
++ if !self.extra.is_empty() {
++ self.stream.extend(self.extra.drain(..));
++ }
+ }
+
+ fn into_token_stream(mut self) -> proc_macro::TokenStream {
+@@ -114,7 +62,7 @@ impl DeferredTokenStream {
+
+ impl TokenStream {
+ pub fn new() -> TokenStream {
+- if nightly_works() {
++ if inside_proc_macro() {
+ TokenStream::Compiler(DeferredTokenStream::new(proc_macro::TokenStream::new()))
+ } else {
+ TokenStream::Fallback(fallback::TokenStream::new())
+@@ -147,9 +95,9 @@ impl FromStr for TokenStream {
+ type Err = LexError;
+
+ fn from_str(src: &str) -> Result<TokenStream, LexError> {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Ok(TokenStream::Compiler(DeferredTokenStream::new(
+- src.parse()?,
++ proc_macro_parse(src)?,
+ )))
+ } else {
+ Ok(TokenStream::Fallback(src.parse()?))
+@@ -157,11 +105,17 @@ impl FromStr for TokenStream {
+ }
+ }
+
+-impl fmt::Display for TokenStream {
++// Work around https://github.com/rust-lang/rust/issues/58736.
++fn proc_macro_parse(src: &str) -> Result<proc_macro::TokenStream, LexError> {
++ panic::catch_unwind(|| src.parse().map_err(LexError::Compiler))
++ .unwrap_or(Err(LexError::Fallback(fallback::LexError)))
++}
++
++impl Display for TokenStream {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- TokenStream::Compiler(tts) => tts.clone().into_token_stream().fmt(f),
+- TokenStream::Fallback(tts) => tts.fmt(f),
++ TokenStream::Compiler(tts) => Display::fmt(&tts.clone().into_token_stream(), f),
++ TokenStream::Fallback(tts) => Display::fmt(tts, f),
+ }
+ }
+ }
+@@ -187,7 +141,7 @@ impl From<fallback::TokenStream> for TokenStream {
+ }
+ }
+
+-// Assumes nightly_works().
++// Assumes inside_proc_macro().
+ fn into_compiler_token(token: TokenTree) -> proc_macro::TokenTree {
+ match token {
+ TokenTree::Group(tt) => tt.inner.unwrap_nightly().into(),
+@@ -196,9 +150,9 @@ fn into_compiler_token(token: TokenTree) -> proc_macro::TokenTree {
+ Spacing::Joint => proc_macro::Spacing::Joint,
+ Spacing::Alone => proc_macro::Spacing::Alone,
+ };
+- let mut op = proc_macro::Punct::new(tt.as_char(), spacing);
+- op.set_span(tt.span().inner.unwrap_nightly());
+- op.into()
++ let mut punct = proc_macro::Punct::new(tt.as_char(), spacing);
++ punct.set_span(tt.span().inner.unwrap_nightly());
++ punct.into()
+ }
+ TokenTree::Ident(tt) => tt.inner.unwrap_nightly().into(),
+ TokenTree::Literal(tt) => tt.inner.unwrap_nightly().into(),
+@@ -207,7 +161,7 @@ fn into_compiler_token(token: TokenTree) -> proc_macro::TokenTree {
+
+ impl From<TokenTree> for TokenStream {
+ fn from(token: TokenTree) -> TokenStream {
+- if nightly_works() {
++ if inside_proc_macro() {
+ TokenStream::Compiler(DeferredTokenStream::new(into_compiler_token(token).into()))
+ } else {
+ TokenStream::Fallback(token.into())
+@@ -215,9 +169,9 @@ impl From<TokenTree> for TokenStream {
+ }
+ }
+
+-impl iter::FromIterator<TokenTree> for TokenStream {
++impl FromIterator<TokenTree> for TokenStream {
+ fn from_iter<I: IntoIterator<Item = TokenTree>>(trees: I) -> Self {
+- if nightly_works() {
++ if inside_proc_macro() {
+ TokenStream::Compiler(DeferredTokenStream::new(
+ trees.into_iter().map(into_compiler_token).collect(),
+ ))
+@@ -227,7 +181,7 @@ impl iter::FromIterator<TokenTree> for TokenStream {
+ }
+ }
+
+-impl iter::FromIterator<TokenStream> for TokenStream {
++impl FromIterator<TokenStream> for TokenStream {
+ fn from_iter<I: IntoIterator<Item = TokenStream>>(streams: I) -> Self {
+ let mut streams = streams.into_iter();
+ match streams.next() {
+@@ -252,14 +206,15 @@ impl iter::FromIterator<TokenStream> for TokenStream {
+ }
+
+ impl Extend<TokenTree> for TokenStream {
+- fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, streams: I) {
++ fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, stream: I) {
+ match self {
+ TokenStream::Compiler(tts) => {
+ // Here is the reason for DeferredTokenStream.
+- tts.extra
+- .extend(streams.into_iter().map(into_compiler_token));
++ for token in stream {
++ tts.extra.push(into_compiler_token(token));
++ }
+ }
+- TokenStream::Fallback(tts) => tts.extend(streams),
++ TokenStream::Fallback(tts) => tts.extend(stream),
+ }
+ }
+ }
+@@ -270,20 +225,20 @@ impl Extend<TokenStream> for TokenStream {
+ TokenStream::Compiler(tts) => {
+ tts.evaluate_now();
+ tts.stream
+- .extend(streams.into_iter().map(|stream| stream.unwrap_nightly()));
++ .extend(streams.into_iter().map(TokenStream::unwrap_nightly));
+ }
+ TokenStream::Fallback(tts) => {
+- tts.extend(streams.into_iter().map(|stream| stream.unwrap_stable()));
++ tts.extend(streams.into_iter().map(TokenStream::unwrap_stable));
+ }
+ }
+ }
+ }
+
+-impl fmt::Debug for TokenStream {
++impl Debug for TokenStream {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- TokenStream::Compiler(tts) => tts.clone().into_token_stream().fmt(f),
+- TokenStream::Fallback(tts) => tts.fmt(f),
++ TokenStream::Compiler(tts) => Debug::fmt(&tts.clone().into_token_stream(), f),
++ TokenStream::Fallback(tts) => Debug::fmt(tts, f),
+ }
+ }
+ }
+@@ -300,17 +255,29 @@ impl From<fallback::LexError> for LexError {
+ }
+ }
+
+-impl fmt::Debug for LexError {
++impl Debug for LexError {
++ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ LexError::Compiler(e) => Debug::fmt(e, f),
++ LexError::Fallback(e) => Debug::fmt(e, f),
++ }
++ }
++}
++
++impl Display for LexError {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- LexError::Compiler(e) => e.fmt(f),
+- LexError::Fallback(e) => e.fmt(f),
++ #[cfg(lexerror_display)]
++ LexError::Compiler(e) => Display::fmt(e, f),
++ #[cfg(not(lexerror_display))]
++ LexError::Compiler(_e) => Display::fmt(&fallback::LexError, f),
++ LexError::Fallback(e) => Display::fmt(e, f),
+ }
+ }
+ }
+
+ #[derive(Clone)]
+-pub enum TokenTreeIter {
++pub(crate) enum TokenTreeIter {
+ Compiler(proc_macro::token_stream::IntoIter),
+ Fallback(fallback::TokenTreeIter),
+ }
+@@ -361,7 +328,7 @@ impl Iterator for TokenTreeIter {
+ }
+ }
+
+-impl fmt::Debug for TokenTreeIter {
++impl Debug for TokenTreeIter {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ f.debug_struct("TokenTreeIter").finish()
+ }
+@@ -369,7 +336,7 @@ impl fmt::Debug for TokenTreeIter {
+
+ #[derive(Clone, PartialEq, Eq)]
+ #[cfg(super_unstable)]
+-pub enum SourceFile {
++pub(crate) enum SourceFile {
+ Compiler(proc_macro::SourceFile),
+ Fallback(fallback::SourceFile),
+ }
+@@ -397,58 +364,77 @@ impl SourceFile {
+ }
+
+ #[cfg(super_unstable)]
+-impl fmt::Debug for SourceFile {
++impl Debug for SourceFile {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- SourceFile::Compiler(a) => a.fmt(f),
+- SourceFile::Fallback(a) => a.fmt(f),
++ SourceFile::Compiler(a) => Debug::fmt(a, f),
++ SourceFile::Fallback(a) => Debug::fmt(a, f),
+ }
+ }
+ }
+
+ #[cfg(any(super_unstable, feature = "span-locations"))]
+-pub struct LineColumn {
++pub(crate) struct LineColumn {
+ pub line: usize,
+ pub column: usize,
+ }
+
+ #[derive(Copy, Clone)]
+-pub enum Span {
++pub(crate) enum Span {
+ Compiler(proc_macro::Span),
+ Fallback(fallback::Span),
+ }
+
+ impl Span {
+ pub fn call_site() -> Span {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Span::Compiler(proc_macro::Span::call_site())
+ } else {
+ Span::Fallback(fallback::Span::call_site())
+ }
+ }
+
++ #[cfg(hygiene)]
++ pub fn mixed_site() -> Span {
++ if inside_proc_macro() {
++ Span::Compiler(proc_macro::Span::mixed_site())
++ } else {
++ Span::Fallback(fallback::Span::mixed_site())
++ }
++ }
++
+ #[cfg(super_unstable)]
+ pub fn def_site() -> Span {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Span::Compiler(proc_macro::Span::def_site())
+ } else {
+ Span::Fallback(fallback::Span::def_site())
+ }
+ }
+
+- #[cfg(super_unstable)]
+ pub fn resolved_at(&self, other: Span) -> Span {
+ match (self, other) {
++ #[cfg(hygiene)]
+ (Span::Compiler(a), Span::Compiler(b)) => Span::Compiler(a.resolved_at(b)),
++
++ // Name resolution affects semantics, but location is only cosmetic
++ #[cfg(not(hygiene))]
++ (Span::Compiler(_), Span::Compiler(_)) => other,
++
+ (Span::Fallback(a), Span::Fallback(b)) => Span::Fallback(a.resolved_at(b)),
+ _ => mismatch(),
+ }
+ }
+
+- #[cfg(super_unstable)]
+ pub fn located_at(&self, other: Span) -> Span {
+ match (self, other) {
++ #[cfg(hygiene)]
+ (Span::Compiler(a), Span::Compiler(b)) => Span::Compiler(a.located_at(b)),
++
++ // Name resolution affects semantics, but location is only cosmetic
++ #[cfg(not(hygiene))]
++ (Span::Compiler(_), Span::Compiler(_)) => *self,
++
+ (Span::Fallback(a), Span::Fallback(b)) => Span::Fallback(a.located_at(b)),
+ _ => mismatch(),
+ }
+@@ -542,16 +528,16 @@ impl From<fallback::Span> for Span {
+ }
+ }
+
+-impl fmt::Debug for Span {
++impl Debug for Span {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- Span::Compiler(s) => s.fmt(f),
+- Span::Fallback(s) => s.fmt(f),
++ Span::Compiler(s) => Debug::fmt(s, f),
++ Span::Fallback(s) => Debug::fmt(s, f),
+ }
+ }
+ }
+
+-pub fn debug_span_field_if_nontrivial(debug: &mut fmt::DebugStruct, span: Span) {
++pub(crate) fn debug_span_field_if_nontrivial(debug: &mut fmt::DebugStruct, span: Span) {
+ match span {
+ Span::Compiler(s) => {
+ debug.field("span", &s);
+@@ -561,7 +547,7 @@ pub fn debug_span_field_if_nontrivial(debug: &mut fmt::DebugStruct, span: Span)
+ }
+
+ #[derive(Clone)]
+-pub enum Group {
++pub(crate) enum Group {
+ Compiler(proc_macro::Group),
+ Fallback(fallback::Group),
+ }
+@@ -652,26 +638,26 @@ impl From<fallback::Group> for Group {
+ }
+ }
+
+-impl fmt::Display for Group {
++impl Display for Group {
+ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- Group::Compiler(group) => group.fmt(formatter),
+- Group::Fallback(group) => group.fmt(formatter),
++ Group::Compiler(group) => Display::fmt(group, formatter),
++ Group::Fallback(group) => Display::fmt(group, formatter),
+ }
+ }
+ }
+
+-impl fmt::Debug for Group {
++impl Debug for Group {
+ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- Group::Compiler(group) => group.fmt(formatter),
+- Group::Fallback(group) => group.fmt(formatter),
++ Group::Compiler(group) => Debug::fmt(group, formatter),
++ Group::Fallback(group) => Debug::fmt(group, formatter),
+ }
+ }
+ }
+
+ #[derive(Clone)]
+-pub enum Ident {
++pub(crate) enum Ident {
+ Compiler(proc_macro::Ident),
+ Fallback(fallback::Ident),
+ }
+@@ -747,26 +733,26 @@ where
+ }
+ }
+
+-impl fmt::Display for Ident {
++impl Display for Ident {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- Ident::Compiler(t) => t.fmt(f),
+- Ident::Fallback(t) => t.fmt(f),
++ Ident::Compiler(t) => Display::fmt(t, f),
++ Ident::Fallback(t) => Display::fmt(t, f),
+ }
+ }
+ }
+
+-impl fmt::Debug for Ident {
++impl Debug for Ident {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- Ident::Compiler(t) => t.fmt(f),
+- Ident::Fallback(t) => t.fmt(f),
++ Ident::Compiler(t) => Debug::fmt(t, f),
++ Ident::Fallback(t) => Debug::fmt(t, f),
+ }
+ }
+ }
+
+ #[derive(Clone)]
+-pub enum Literal {
++pub(crate) enum Literal {
+ Compiler(proc_macro::Literal),
+ Fallback(fallback::Literal),
+ }
+@@ -774,7 +760,7 @@ pub enum Literal {
+ macro_rules! suffixed_numbers {
+ ($($name:ident => $kind:ident,)*) => ($(
+ pub fn $name(n: $kind) -> Literal {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Literal::Compiler(proc_macro::Literal::$name(n))
+ } else {
+ Literal::Fallback(fallback::Literal::$name(n))
+@@ -786,7 +772,7 @@ macro_rules! suffixed_numbers {
+ macro_rules! unsuffixed_integers {
+ ($($name:ident => $kind:ident,)*) => ($(
+ pub fn $name(n: $kind) -> Literal {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Literal::Compiler(proc_macro::Literal::$name(n))
+ } else {
+ Literal::Fallback(fallback::Literal::$name(n))
+@@ -830,7 +816,7 @@ impl Literal {
+ }
+
+ pub fn f32_unsuffixed(f: f32) -> Literal {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Literal::Compiler(proc_macro::Literal::f32_unsuffixed(f))
+ } else {
+ Literal::Fallback(fallback::Literal::f32_unsuffixed(f))
+@@ -838,7 +824,7 @@ impl Literal {
+ }
+
+ pub fn f64_unsuffixed(f: f64) -> Literal {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Literal::Compiler(proc_macro::Literal::f64_unsuffixed(f))
+ } else {
+ Literal::Fallback(fallback::Literal::f64_unsuffixed(f))
+@@ -846,7 +832,7 @@ impl Literal {
+ }
+
+ pub fn string(t: &str) -> Literal {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Literal::Compiler(proc_macro::Literal::string(t))
+ } else {
+ Literal::Fallback(fallback::Literal::string(t))
+@@ -854,7 +840,7 @@ impl Literal {
+ }
+
+ pub fn character(t: char) -> Literal {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Literal::Compiler(proc_macro::Literal::character(t))
+ } else {
+ Literal::Fallback(fallback::Literal::character(t))
+@@ -862,7 +848,7 @@ impl Literal {
+ }
+
+ pub fn byte_string(bytes: &[u8]) -> Literal {
+- if nightly_works() {
++ if inside_proc_macro() {
+ Literal::Compiler(proc_macro::Literal::byte_string(bytes))
+ } else {
+ Literal::Fallback(fallback::Literal::byte_string(bytes))
+@@ -908,20 +894,20 @@ impl From<fallback::Literal> for Literal {
+ }
+ }
+
+-impl fmt::Display for Literal {
++impl Display for Literal {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- Literal::Compiler(t) => t.fmt(f),
+- Literal::Fallback(t) => t.fmt(f),
++ Literal::Compiler(t) => Display::fmt(t, f),
++ Literal::Fallback(t) => Display::fmt(t, f),
+ }
+ }
+ }
+
+-impl fmt::Debug for Literal {
++impl Debug for Literal {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match self {
+- Literal::Compiler(t) => t.fmt(f),
+- Literal::Fallback(t) => t.fmt(f),
++ Literal::Compiler(t) => Debug::fmt(t, f),
++ Literal::Fallback(t) => Debug::fmt(t, f),
+ }
+ }
+ }
+diff --git a/third_party/rust/proc-macro2/tests/comments.rs b/third_party/rust/proc-macro2/tests/comments.rs
+new file mode 100644
+index 0000000000..708cccb880
+--- /dev/null
++++ b/third_party/rust/proc-macro2/tests/comments.rs
+@@ -0,0 +1,103 @@
++use proc_macro2::{Delimiter, Literal, Spacing, TokenStream, TokenTree};
++
++// #[doc = "..."] -> "..."
++fn lit_of_outer_doc_comment(tokens: TokenStream) -> Literal {
++ lit_of_doc_comment(tokens, false)
++}
++
++// #![doc = "..."] -> "..."
++fn lit_of_inner_doc_comment(tokens: TokenStream) -> Literal {
++ lit_of_doc_comment(tokens, true)
++}
++
++fn lit_of_doc_comment(tokens: TokenStream, inner: bool) -> Literal {
++ let mut iter = tokens.clone().into_iter();
++ match iter.next().unwrap() {
++ TokenTree::Punct(punct) => {
++ assert_eq!(punct.as_char(), '#');
++ assert_eq!(punct.spacing(), Spacing::Alone);
++ }
++ _ => panic!("wrong token {:?}", tokens),
++ }
++ if inner {
++ match iter.next().unwrap() {
++ TokenTree::Punct(punct) => {
++ assert_eq!(punct.as_char(), '!');
++ assert_eq!(punct.spacing(), Spacing::Alone);
++ }
++ _ => panic!("wrong token {:?}", tokens),
++ }
++ }
++ iter = match iter.next().unwrap() {
++ TokenTree::Group(group) => {
++ assert_eq!(group.delimiter(), Delimiter::Bracket);
++ assert!(iter.next().is_none(), "unexpected token {:?}", tokens);
++ group.stream().into_iter()
++ }
++ _ => panic!("wrong token {:?}", tokens),
++ };
++ match iter.next().unwrap() {
++ TokenTree::Ident(ident) => assert_eq!(ident.to_string(), "doc"),
++ _ => panic!("wrong token {:?}", tokens),
++ }
++ match iter.next().unwrap() {
++ TokenTree::Punct(punct) => {
++ assert_eq!(punct.as_char(), '=');
++ assert_eq!(punct.spacing(), Spacing::Alone);
++ }
++ _ => panic!("wrong token {:?}", tokens),
++ }
++ match iter.next().unwrap() {
++ TokenTree::Literal(literal) => {
++ assert!(iter.next().is_none(), "unexpected token {:?}", tokens);
++ literal
++ }
++ _ => panic!("wrong token {:?}", tokens),
++ }
++}
++
++#[test]
++fn closed_immediately() {
++ let stream = "/**/".parse::<TokenStream>().unwrap();
++ let tokens = stream.into_iter().collect::<Vec<_>>();
++ assert!(tokens.is_empty(), "not empty -- {:?}", tokens);
++}
++
++#[test]
++fn incomplete() {
++ assert!("/*/".parse::<TokenStream>().is_err());
++}
++
++#[test]
++fn lit() {
++ let stream = "/// doc".parse::<TokenStream>().unwrap();
++ let lit = lit_of_outer_doc_comment(stream);
++ assert_eq!(lit.to_string(), "\" doc\"");
++
++ let stream = "//! doc".parse::<TokenStream>().unwrap();
++ let lit = lit_of_inner_doc_comment(stream);
++ assert_eq!(lit.to_string(), "\" doc\"");
++
++ let stream = "/** doc */".parse::<TokenStream>().unwrap();
++ let lit = lit_of_outer_doc_comment(stream);
++ assert_eq!(lit.to_string(), "\" doc \"");
++
++ let stream = "/*! doc */".parse::<TokenStream>().unwrap();
++ let lit = lit_of_inner_doc_comment(stream);
++ assert_eq!(lit.to_string(), "\" doc \"");
++}
++
++#[test]
++fn carriage_return() {
++ let stream = "///\r\n".parse::<TokenStream>().unwrap();
++ let lit = lit_of_outer_doc_comment(stream);
++ assert_eq!(lit.to_string(), "\"\"");
++
++ let stream = "/**\r\n*/".parse::<TokenStream>().unwrap();
++ let lit = lit_of_outer_doc_comment(stream);
++ assert_eq!(lit.to_string(), "\"\\r\\n\"");
++
++ "///\r".parse::<TokenStream>().unwrap_err();
++ "///\r \n".parse::<TokenStream>().unwrap_err();
++ "/**\r \n*/".parse::<TokenStream>().unwrap_err();
++}
+diff --git a/third_party/rust/proc-macro2/tests/marker.rs b/third_party/rust/proc-macro2/tests/marker.rs
+index 7af2539c1a..70e57677cd 100644
+--- a/third_party/rust/proc-macro2/tests/marker.rs
++++ b/third_party/rust/proc-macro2/tests/marker.rs
+@@ -57,3 +57,36 @@ mod semver_exempt {
+
+ assert_impl!(SourceFile is not Send or Sync);
+ }
++
++#[cfg(not(no_libprocmacro_unwind_safe))]
++mod unwind_safe {
++ use super::*;
++ use std::panic::{RefUnwindSafe, UnwindSafe};
++
++ macro_rules! assert_unwind_safe {
++ ($($types:ident)*) => {
++ $(
++ assert_impl!($types is UnwindSafe and RefUnwindSafe);
++ )*
++ };
++ }
++
++ assert_unwind_safe! {
++ Delimiter
++ Group
++ Ident
++ LexError
++ Literal
++ Punct
++ Spacing
++ Span
++ TokenStream
++ TokenTree
++ }
++
++ #[cfg(procmacro2_semver_exempt)]
++ assert_unwind_safe! {
++ LineColumn
++ SourceFile
++ }
++}
+diff --git a/third_party/rust/proc-macro2/tests/test.rs b/third_party/rust/proc-macro2/tests/test.rs
+index 7528388138..1e9f633944 100644
+--- a/third_party/rust/proc-macro2/tests/test.rs
++++ b/third_party/rust/proc-macro2/tests/test.rs
+@@ -1,7 +1,6 @@
++use proc_macro2::{Ident, Literal, Punct, Spacing, Span, TokenStream, TokenTree};
+ use std::str::{self, FromStr};
+
+-use proc_macro2::{Ident, Literal, Spacing, Span, TokenStream, TokenTree};
+-
+ #[test]
+ fn idents() {
+ assert_eq!(
+@@ -84,6 +83,11 @@ fn literal_string() {
+ assert_eq!(Literal::string("didn't").to_string(), "\"didn't\"");
+ }
+
++#[test]
++fn literal_raw_string() {
++ "r\"\r\n\"".parse::<TokenStream>().unwrap();
++}
++
+ #[test]
+ fn literal_character() {
+ assert_eq!(Literal::character('x').to_string(), "'x'");
+@@ -110,6 +114,37 @@ fn literal_suffix() {
+ assert_eq!(token_count("1._0"), 3);
+ assert_eq!(token_count("1._m"), 3);
+ assert_eq!(token_count("\"\"s"), 1);
++ assert_eq!(token_count("r\"\"r"), 1);
++ assert_eq!(token_count("b\"\"b"), 1);
++ assert_eq!(token_count("br\"\"br"), 1);
++ assert_eq!(token_count("r#\"\"#r"), 1);
++ assert_eq!(token_count("'c'c"), 1);
++ assert_eq!(token_count("b'b'b"), 1);
++ assert_eq!(token_count("0E"), 1);
++ assert_eq!(token_count("0o0A"), 1);
++ assert_eq!(token_count("0E--0"), 4);
++ assert_eq!(token_count("0.0ECMA"), 1);
++}
++
++#[test]
++fn literal_iter_negative() {
++ let negative_literal = Literal::i32_suffixed(-3);
++ let tokens = TokenStream::from(TokenTree::Literal(negative_literal));
++ let mut iter = tokens.into_iter();
++ match iter.next().unwrap() {
++ TokenTree::Punct(punct) => {
++ assert_eq!(punct.as_char(), '-');
++ assert_eq!(punct.spacing(), Spacing::Alone);
++ }
++ unexpected => panic!("unexpected token {:?}", unexpected),
++ }
++ match iter.next().unwrap() {
++ TokenTree::Literal(literal) => {
++ assert_eq!(literal.to_string(), "3i32");
++ }
++ unexpected => panic!("unexpected token {:?}", unexpected),
++ }
++ assert!(iter.next().is_none());
+ }
+
+ #[test]
+@@ -161,41 +196,21 @@ fn fail() {
+ fail("' static");
+ fail("r#1");
+ fail("r#_");
++ fail("\"\\u{0000000}\""); // overlong unicode escape (rust allows at most 6 hex digits)
++ fail("\"\\u{999999}\""); // outside of valid range of char
++ fail("\"\\u{_0}\""); // leading underscore
++ fail("\"\\u{}\""); // empty
++ fail("b\"\r\""); // bare carriage return in byte string
++ fail("r\"\r\""); // bare carriage return in raw string
++ fail("\"\\\r \""); // backslash carriage return
++ fail("'aa'aa");
++ fail("br##\"\"#");
++ fail("\"\\\n\u{85}\r\"");
+ }
+
+ #[cfg(span_locations)]
+ #[test]
+ fn span_test() {
+- use proc_macro2::TokenTree;
+-
+- fn check_spans(p: &str, mut lines: &[(usize, usize, usize, usize)]) {
+- let ts = p.parse::<TokenStream>().unwrap();
+- check_spans_internal(ts, &mut lines);
+- }
+-
+- fn check_spans_internal(ts: TokenStream, lines: &mut &[(usize, usize, usize, usize)]) {
+- for i in ts {
+- if let Some((&(sline, scol, eline, ecol), rest)) = lines.split_first() {
+- *lines = rest;
+-
+- let start = i.span().start();
+- assert_eq!(start.line, sline, "sline did not match for {}", i);
+- assert_eq!(start.column, scol, "scol did not match for {}", i);
+-
+- let end = i.span().end();
+- assert_eq!(end.line, eline, "eline did not match for {}", i);
+- assert_eq!(end.column, ecol, "ecol did not match for {}", i);
+-
+- match i {
+- TokenTree::Group(ref g) => {
+- check_spans_internal(g.stream().clone(), lines);
+- }
+- _ => {}
+- }
+- }
+- }
+- }
+-
+ check_spans(
+ "\
+ /// This is a document comment
+@@ -274,53 +289,11 @@ fn span_join() {
+ #[test]
+ fn no_panic() {
+ let s = str::from_utf8(b"b\'\xc2\x86 \x00\x00\x00^\"").unwrap();
+- assert!(s.parse::<proc_macro2::TokenStream>().is_err());
++ assert!(s.parse::<TokenStream>().is_err());
+ }
+
+ #[test]
+-fn tricky_doc_comment() {
+- let stream = "/**/".parse::<proc_macro2::TokenStream>().unwrap();
+- let tokens = stream.into_iter().collect::<Vec<_>>();
+- assert!(tokens.is_empty(), "not empty -- {:?}", tokens);
+-
+- let stream = "/// doc".parse::<proc_macro2::TokenStream>().unwrap();
+- let tokens = stream.into_iter().collect::<Vec<_>>();
+- assert!(tokens.len() == 2, "not length 2 -- {:?}", tokens);
+- match tokens[0] {
+- proc_macro2::TokenTree::Punct(ref tt) => assert_eq!(tt.as_char(), '#'),
+- _ => panic!("wrong token {:?}", tokens[0]),
+- }
+- let mut tokens = match tokens[1] {
+- proc_macro2::TokenTree::Group(ref tt) => {
+- assert_eq!(tt.delimiter(), proc_macro2::Delimiter::Bracket);
+- tt.stream().into_iter()
+- }
+- _ => panic!("wrong token {:?}", tokens[0]),
+- };
+-
+- match tokens.next().unwrap() {
+- proc_macro2::TokenTree::Ident(ref tt) => assert_eq!(tt.to_string(), "doc"),
+- t => panic!("wrong token {:?}", t),
+- }
+- match tokens.next().unwrap() {
+- proc_macro2::TokenTree::Punct(ref tt) => assert_eq!(tt.as_char(), '='),
+- t => panic!("wrong token {:?}", t),
+- }
+- match tokens.next().unwrap() {
+- proc_macro2::TokenTree::Literal(ref tt) => {
+- assert_eq!(tt.to_string(), "\" doc\"");
+- }
+- t => panic!("wrong token {:?}", t),
+- }
+- assert!(tokens.next().is_none());
+-
+- let stream = "//! doc".parse::<proc_macro2::TokenStream>().unwrap();
+- let tokens = stream.into_iter().collect::<Vec<_>>();
+- assert!(tokens.len() == 3, "not length 3 -- {:?}", tokens);
+-}
+-
+-#[test]
+-fn op_before_comment() {
++fn punct_before_comment() {
+ let mut tts = TokenStream::from_str("~// comment").unwrap().into_iter();
+ match tts.next().unwrap() {
+ TokenTree::Punct(tt) => {
+@@ -331,6 +304,22 @@ fn op_before_comment() {
+ }
+ }
+
++#[test]
++fn joint_last_token() {
++ // This test verifies that we match the behavior of libproc_macro *not* in
++ // the range nightly-2020-09-06 through nightly-2020-09-10, in which this
++ // behavior was temporarily broken.
++ // See https://github.com/rust-lang/rust/issues/76399
++
++ let joint_punct = Punct::new(':', Spacing::Joint);
++ let stream = TokenStream::from(TokenTree::Punct(joint_punct));
++ let punct = match stream.into_iter().next().unwrap() {
++ TokenTree::Punct(punct) => punct,
++ _ => unreachable!(),
++ };
++ assert_eq!(punct.spacing(), Spacing::Joint);
++}
++
+ #[test]
+ fn raw_identifier() {
+ let mut tts = TokenStream::from_str("r#dyn").unwrap().into_iter();
+@@ -345,11 +334,11 @@ fn raw_identifier() {
+ fn test_debug_ident() {
+ let ident = Ident::new("proc_macro", Span::call_site());
+
+- #[cfg(not(procmacro2_semver_exempt))]
++ #[cfg(not(span_locations))]
+ let expected = "Ident(proc_macro)";
+
+- #[cfg(procmacro2_semver_exempt)]
+- let expected = "Ident { sym: proc_macro, span: bytes(0..0) }";
++ #[cfg(span_locations)]
++ let expected = "Ident { sym: proc_macro }";
+
+ assert_eq!(expected, format!("{:?}", ident));
+ }
+@@ -358,7 +347,7 @@ fn test_debug_ident() {
+ fn test_debug_tokenstream() {
+ let tts = TokenStream::from_str("[a + 1]").unwrap();
+
+- #[cfg(not(procmacro2_semver_exempt))]
++ #[cfg(not(span_locations))]
+ let expected = "\
+ TokenStream [
+ Group {
+@@ -368,7 +357,7 @@ TokenStream [
+ sym: a,
+ },
+ Punct {
+- op: '+',
++ char: '+',
+ spacing: Alone,
+ },
+ Literal {
+@@ -379,7 +368,7 @@ TokenStream [
+ ]\
+ ";
+
+- #[cfg(not(procmacro2_semver_exempt))]
++ #[cfg(not(span_locations))]
+ let expected_before_trailing_commas = "\
+ TokenStream [
+ Group {
+@@ -389,7 +378,7 @@ TokenStream [
+ sym: a
+ },
+ Punct {
+- op: '+',
++ char: '+',
+ spacing: Alone
+ },
+ Literal {
+@@ -400,7 +389,7 @@ TokenStream [
+ ]\
+ ";
+
+- #[cfg(procmacro2_semver_exempt)]
++ #[cfg(span_locations)]
+ let expected = "\
+ TokenStream [
+ Group {
+@@ -411,7 +400,7 @@ TokenStream [
+ span: bytes(2..3),
+ },
+ Punct {
+- op: '+',
++ char: '+',
+ spacing: Alone,
+ span: bytes(4..5),
+ },
+@@ -425,7 +414,7 @@ TokenStream [
+ ]\
+ ";
+
+- #[cfg(procmacro2_semver_exempt)]
++ #[cfg(span_locations)]
+ let expected_before_trailing_commas = "\
+ TokenStream [
+ Group {
+@@ -436,7 +425,7 @@ TokenStream [
+ span: bytes(2..3)
+ },
+ Punct {
+- op: '+',
++ char: '+',
+ spacing: Alone,
+ span: bytes(4..5)
+ },
+@@ -464,3 +453,80 @@ fn default_tokenstream_is_empty() {
+
+ assert!(default_token_stream.is_empty());
+ }
++
++#[test]
++fn tuple_indexing() {
++ // This behavior may change depending on https://github.com/rust-lang/rust/pull/71322
++ let mut tokens = "tuple.0.0".parse::<TokenStream>().unwrap().into_iter();
++ assert_eq!("tuple", tokens.next().unwrap().to_string());
++ assert_eq!(".", tokens.next().unwrap().to_string());
++ assert_eq!("0.0", tokens.next().unwrap().to_string());
++ assert!(tokens.next().is_none());
++}
++
++#[cfg(span_locations)]
++#[test]
++fn non_ascii_tokens() {
++ check_spans("// abc", &[]);
++ check_spans("// ábc", &[]);
++ check_spans("// abc x", &[]);
++ check_spans("// ábc x", &[]);
++ check_spans("/* abc */ x", &[(1, 10, 1, 11)]);
++ check_spans("/* ábc */ x", &[(1, 10, 1, 11)]);
++ check_spans("/* ab\nc */ x", &[(2, 5, 2, 6)]);
++ check_spans("/* áb\nc */ x", &[(2, 5, 2, 6)]);
++ check_spans("/*** abc */ x", &[(1, 12, 1, 13)]);
++ check_spans("/*** ábc */ x", &[(1, 12, 1, 13)]);
++ check_spans(r#""abc""#, &[(1, 0, 1, 5)]);
++ check_spans(r#""ábc""#, &[(1, 0, 1, 5)]);
++ check_spans(r###"r#"abc"#"###, &[(1, 0, 1, 8)]);
++ check_spans(r###"r#"ábc"#"###, &[(1, 0, 1, 8)]);
++ check_spans("r#\"a\nc\"#", &[(1, 0, 2, 3)]);
++ check_spans("r#\"á\nc\"#", &[(1, 0, 2, 3)]);
++ check_spans("'a'", &[(1, 0, 1, 3)]);
++ check_spans("'á'", &[(1, 0, 1, 3)]);
++ check_spans("//! abc", &[(1, 0, 1, 7), (1, 0, 1, 7), (1, 0, 1, 7)]);
++ check_spans("//! ábc", &[(1, 0, 1, 7), (1, 0, 1, 7), (1, 0, 1, 7)]);
++ check_spans("//! abc\n", &[(1, 0, 1, 7), (1, 0, 1, 7), (1, 0, 1, 7)]);
++ check_spans("//! ábc\n", &[(1, 0, 1, 7), (1, 0, 1, 7), (1, 0, 1, 7)]);
++ check_spans("/*! abc */", &[(1, 0, 1, 10), (1, 0, 1, 10), (1, 0, 1, 10)]);
++ check_spans("/*! ábc */", &[(1, 0, 1, 10), (1, 0, 1, 10), (1, 0, 1, 10)]);
++ check_spans("/*! a\nc */", &[(1, 0, 2, 4), (1, 0, 2, 4), (1, 0, 2, 4)]);
++ check_spans("/*! á\nc */", &[(1, 0, 2, 4), (1, 0, 2, 4), (1, 0, 2, 4)]);
++ check_spans("abc", &[(1, 0, 1, 3)]);
++ check_spans("ábc", &[(1, 0, 1, 3)]);
++ check_spans("ábć", &[(1, 0, 1, 3)]);
++ check_spans("abc// foo", &[(1, 0, 1, 3)]);
++ check_spans("ábc// foo", &[(1, 0, 1, 3)]);
++ check_spans("ábć// foo", &[(1, 0, 1, 3)]);
++ check_spans("b\"a\\\n c\"", &[(1, 0, 2, 3)]);
++ check_spans("b\"a\\\n\u{00a0}c\"", &[(1, 0, 2, 3)]);
++}
++
++#[cfg(span_locations)]
++fn check_spans(p: &str, mut lines: &[(usize, usize, usize, usize)]) {
++ let ts = p.parse::<TokenStream>().unwrap();
++ check_spans_internal(ts, &mut lines);
++ assert!(lines.is_empty(), "leftover ranges: {:?}", lines);
++}
++
++#[cfg(span_locations)]
++fn check_spans_internal(ts: TokenStream, lines: &mut &[(usize, usize, usize, usize)]) {
++ for i in ts {
++ if let Some((&(sline, scol, eline, ecol), rest)) = lines.split_first() {
++ *lines = rest;
++
++ let start = i.span().start();
++ assert_eq!(start.line, sline, "sline did not match for {}", i);
++ assert_eq!(start.column, scol, "scol did not match for {}", i);
++
++ let end = i.span().end();
++ assert_eq!(end.line, eline, "eline did not match for {}", i);
++ assert_eq!(end.column, ecol, "ecol did not match for {}", i);
++
++ if let TokenTree::Group(g) = i {
++ check_spans_internal(g.stream().clone(), lines);
++ }
++ }
++ }
++}
+diff --git a/third_party/rust/proc-macro2/tests/test_fmt.rs b/third_party/rust/proc-macro2/tests/test_fmt.rs
+new file mode 100644
+index 0000000000..99a0aee5c8
+--- /dev/null
++++ b/third_party/rust/proc-macro2/tests/test_fmt.rs
+@@ -0,0 +1,26 @@
++use proc_macro2::{Delimiter, Group, Ident, Span, TokenStream, TokenTree};
++use std::iter::{self, FromIterator};
++
++#[test]
++fn test_fmt_group() {
++ let ident = Ident::new("x", Span::call_site());
++ let inner = TokenStream::from_iter(iter::once(TokenTree::Ident(ident)));
++ let parens_empty = Group::new(Delimiter::Parenthesis, TokenStream::new());
++ let parens_nonempty = Group::new(Delimiter::Parenthesis, inner.clone());
++ let brackets_empty = Group::new(Delimiter::Bracket, TokenStream::new());
++ let brackets_nonempty = Group::new(Delimiter::Bracket, inner.clone());
++ let braces_empty = Group::new(Delimiter::Brace, TokenStream::new());
++ let braces_nonempty = Group::new(Delimiter::Brace, inner.clone());
++ let none_empty = Group::new(Delimiter::None, TokenStream::new());
++ let none_nonempty = Group::new(Delimiter::None, inner.clone());
++
++ // Matches libproc_macro.
++ assert_eq!("()", parens_empty.to_string());
++ assert_eq!("(x)", parens_nonempty.to_string());
++ assert_eq!("[]", brackets_empty.to_string());
++ assert_eq!("[x]", brackets_nonempty.to_string());
++ assert_eq!("{ }", braces_empty.to_string());
++ assert_eq!("{ x }", braces_nonempty.to_string());
++ assert_eq!("", none_empty.to_string());
++ assert_eq!("x", none_nonempty.to_string());
++}
+diff --git a/third_party/rust/spirv-cross-internal/.cargo-checksum.json b/third_party/rust/spirv-cross-internal/.cargo-checksum.json
+index 3c732d6d0e..014aa640e1 100644
+--- a/third_party/rust/spirv-cross-internal/.cargo-checksum.json
++++ b/third_party/rust/spirv-cross-internal/.cargo-checksum.json
+@@ -1 +1 @@
+-{"files":{"Cargo.toml":"32644850d6dd8a8496fcf2dd0327dfc18a41f87bbd5f0922e174a905babde20d","build.rs":"68d1e7d99b4d890e21606aa7e7904d4f9b8caed6c0951bb8f5028745a7103d1e","src/bindings_native.rs":"6aa4e3a3bd73a638b3282405c0eaf2565ff8f364919c509f94f79e326679b03e","src/bindings_wasm.rs":"331d19691566beb163fc459d630e9830167cc86ec8cacde6be53fb0a7ca2b1be","src/bindings_wasm_functions.rs":"2515dd91e98e769fe282e7dc4f60820f4be7365c784a9f3bd17310d18a136da8","src/compiler.rs":"a53c7e0136ea3deddbfaf158295daca36623a0e244426b7c04d2856922d91c73","src/emscripten.rs":"3169890001970610013026468739910afca0d85e00d7e34beadfdd31bbcbeeb7","src/glsl.rs":"7ca1f6a11db8e7926a813fb91298dac1c0e2f90fe5426cc985cde7d8f36c05c9","src/hlsl.rs":"3734ad89a4f51647ebeb761753cb324a48ebca724970201e7598a3763d094d73","src/lib.rs":"cc41cbbe48f3e96791ba5338c66fa1fe0e533eaed6bbdced3f008d5e9fe6c6ce","src/msl.rs":"5505d1d626d8e7903ffa9d137e7392a1670fa7b574eacc4bbd33673937b36ea7","src/ptr_util.rs":"280404beede469b2c9ae40536323515a9213dac5d30014fac870a23b37672442","src/spirv.rs":"8a2cbe6b554bb6312f2aede0469338ace21e79720b5128c653e7a68c0e161277","src/vendor/SPIRV-Cross/.clang-format":"9ec4314e20afecad827a2dbd4832256be8464e88aab4a53fab45173ed129b2ed","src/vendor/SPIRV-Cross/.gitignore":"7f23cc92ddb5e1f584447e98d3e8ab6543fc182f1543f0f6ec29856f9250cdd6","src/vendor/SPIRV-Cross/.travis.yml":"abcc1b2f622b65feafd3e37a2b5e867fce3cf7211cae9fb2bf92a6de79100be4","src/vendor/SPIRV-Cross/CMakeLists.txt":"0972ab271e1eecdfe41ae0a85bf14ce7fe142b7609f8d2965b2c94f92c63b6aa","src/vendor/SPIRV-Cross/CODE_OF_CONDUCT.md":"a25e58cd66a9543e1500db9a5c3c027e874893ad1a264530bf26eb10918b5d80","src/vendor/SPIRV-Cross/GLSL.std.450.h":"20f32378793c5f416bc0704f44345c2a14c99cba3f411e3beaf1bcea372d58ba","src/vendor/SPIRV-Cross/LICENSE":"cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30","src/vendor/SPIRV-Cross/Makefile":"e2255d32e47d447b100ce3cd0753d0758dc26460e0440d14cc157d4caf9b62f1","src/vendor/SPIRV-Cross/README.md":"b944fc5b1de709089fc3cae0dba09186ce2e43b64de6dcae1423ba1c139ee395","src/vendor/SPIRV-Cross/appveyor.yml":"0f18b8ae5fadc027a20f69307fc32e56a97edfbdcb55ac392852308f88545a04","src/vendor/SPIRV-Cross/include/spirv_cross/barrier.hpp":"bb796625e89f75e239e92f9a61597d421ffe5fb1902d200691ebe95cf856a1f8","src/vendor/SPIRV-Cross/include/spirv_cross/external_interface.h":"cdceda962d87133e44989510edc944e99052d713869b406a8b6b2d54e3d02dd7","src/vendor/SPIRV-Cross/include/spirv_cross/image.hpp":"681d0964b144c5009424196a8bc832cb81cfe5df5b91c2f3e1bfb625765a0c50","src/vendor/SPIRV-Cross/include/spirv_cross/internal_interface.hpp":"ab8851e5708b944a9bf340ce17297d94bef4876d30c833ea83d44b16f60726f6","src/vendor/SPIRV-Cross/include/spirv_cross/sampler.hpp":"b0b1bd4796b4315e826985c224ea5fa7d5bc823fcd6091f7527a5e18d9ae42fb","src/vendor/SPIRV-Cross/include/spirv_cross/thread_group.hpp":"70d9e0400f62de71d3775972eadc196ddb218254fa8155e8e33daf8d99957cc0","src/vendor/SPIRV-Cross/main.cpp":"ab2835f6dff9299f562a89755893f98a4bd946d4460abca885ba2172ebce851c","src/vendor/SPIRV-Cross/pkg-config/spirv-cross-c-shared.pc.in":"75a27e069ee07362bc6b7412b2c4e1270778dd639a8b96b8afbb113d21de79e7","src/vendor/SPIRV-Cross/spirv.h":"2c19cd1d262a3757e92276fbaa8e1a706b2328a92f47bda88f849b5cebebb630","src/vendor/SPIRV-Cross/spirv.hpp":"eb7c39a017f0a33e9d9bae7556c678c2840af4cc0beb98b2aeff9d651e370128","src/vendor/SPIRV-Cross/spirv_cfg.cpp":"09b756068d95a87a65a186831484fe21a973d3eb19675225b23864b9d37fe3d0","src/vendor/SPIRV-Cross/spirv_cfg.hpp":"ad98c4e82d6da3ed450dfc7939814115ae6b29ba2a25b0148cfc8c88774055b5","src/vendor/SPIRV-Cross/spirv_common.hpp":"5d0658a6fe9ac2f628754d2439b4d26ec8df7e50e4b196567cd4c7e7b8ce7574","src/vendor/SPIRV-Cross/spirv_cpp.cpp":"d067269ec6fc56860b4ed39edddf0a127f5e2d091512a85a79f02d5f3beccd19","src/vendor/SPIRV-Cross/spirv_cpp.hpp":"751ce82c70a399781f18aca54ea7fbb98083b98706f2a6be1cd1aa90627ef597","src/vendor/SPIRV-Cross/spirv_cross.cpp":"225b4cf4c7f8868019680d0a75a3da7983db428783ee1a3dcbb8c2765a71e79a","src/vendor/SPIRV-Cross/spirv_cross.hpp":"7eab2d7ae4b25a3c4fe85631e664727e036ae23a776aeb8c17db23f08020258a","src/vendor/SPIRV-Cross/spirv_cross_c.cpp":"80f438f4700f0b0b02547771f82be0610ba5e24ba3edb56d4331d59a206a4c2e","src/vendor/SPIRV-Cross/spirv_cross_c.h":"8b0ad63ed9fe52bc62f305afa27b5e33d9bd689a8b3f9935353742faf88a1e91","src/vendor/SPIRV-Cross/spirv_cross_containers.hpp":"409f60a5cb1dba1d0c96ef61761d8643402fc5ab67cecce12f6af3d135cfa338","src/vendor/SPIRV-Cross/spirv_cross_error_handling.hpp":"45868796346eef895cc05825582e60d26c34ec35d1a2b97f5e172f05fc565b19","src/vendor/SPIRV-Cross/spirv_cross_parsed_ir.cpp":"7c7e08db4dfc1084fd9cd266a6f829d35a6b2856198b16307a44f4d1c0743106","src/vendor/SPIRV-Cross/spirv_cross_parsed_ir.hpp":"d15446565eaa430bf2b14b596b3e579a72095a386b1eb256afc977cdf42ec5b9","src/vendor/SPIRV-Cross/spirv_cross_util.cpp":"f2426dccad2fff44053f6b1b9558719471a1ba0445c317f2c0311bc0d8b4636d","src/vendor/SPIRV-Cross/spirv_cross_util.hpp":"63ca5b2d6c80b5ad39473d6841676e48d5db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+\ No newline at end of file
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+\ No newline at end of file
+diff --git a/third_party/rust/syn/.cargo-checksum.json b/third_party/rust/syn/.cargo-checksum.json
+index 77939d8fc6..704f2ed200 100644
+--- a/third_party/rust/syn/.cargo-checksum.json
++++ b/third_party/rust/syn/.cargo-checksum.json
+@@ -1 +1 @@
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+\ No newline at end of file
+diff --git a/third_party/rust/syn/Cargo.toml b/third_party/rust/syn/Cargo.toml
+index 7a5c962f06..20277fc461 100644
+--- a/third_party/rust/syn/Cargo.toml
++++ b/third_party/rust/syn/Cargo.toml
+@@ -13,7 +13,7 @@
+ [package]
+ edition = "2018"
+ name = "syn"
+-version = "1.0.5"
++version = "1.0.40"
+ authors = ["David Tolnay <dtolnay@gmail.com>"]
+ include = ["/benches/**", "/build.rs", "/Cargo.toml", "/LICENSE-APACHE", "/LICENSE-MIT", "/README.md", "/src/**", "/tests/**"]
+ description = "Parser for Rust source code"
+@@ -24,25 +24,21 @@ license = "MIT OR Apache-2.0"
+ repository = "https://github.com/dtolnay/syn"
+ [package.metadata.docs.rs]
+ all-features = true
++targets = ["x86_64-unknown-linux-gnu"]
+
+ [package.metadata.playground]
+-all-features = true
+-
+-[lib]
+-name = "syn"
++features = ["full", "visit", "visit-mut", "fold", "extra-traits"]
+
+ [[bench]]
+ name = "rust"
+ harness = false
+ required-features = ["full", "parsing"]
+-edition = "2018"
+
+ [[bench]]
+ name = "file"
+ required-features = ["full", "parsing"]
+-edition = "2018"
+ [dependencies.proc-macro2]
+-version = "1.0"
++version = "1.0.13"
+ default-features = false
+
+ [dependencies.quote]
+@@ -52,18 +48,34 @@ default-features = false
+
+ [dependencies.unicode-xid]
+ version = "0.2"
++[dev-dependencies.anyhow]
++version = "1.0"
++
++[dev-dependencies.flate2]
++version = "1.0"
++
+ [dev-dependencies.insta]
+-version = "0.9"
++version = "0.16"
+
+ [dev-dependencies.rayon]
+ version = "1.0"
+
+ [dev-dependencies.ref-cast]
+-version = "0.2"
++version = "1.0"
+
+ [dev-dependencies.regex]
+ version = "1.0"
+
++[dev-dependencies.reqwest]
++version = "0.10"
++features = ["blocking"]
++
++[dev-dependencies.syn-test-suite]
++version = "0"
++
++[dev-dependencies.tar]
++version = "0.4"
++
+ [dev-dependencies.termcolor]
+ version = "1.0"
+
+@@ -80,7 +92,6 @@ full = []
+ parsing = []
+ printing = ["quote"]
+ proc-macro = ["proc-macro2/proc-macro", "quote/proc-macro"]
++test = ["syn-test-suite/all-features"]
+ visit = []
+ visit-mut = []
+-[badges.travis-ci]
+-repository = "dtolnay/syn"
+diff --git a/third_party/rust/syn/README.md b/third_party/rust/syn/README.md
+index 29a7f32a46..12b5f45b3d 100644
+--- a/third_party/rust/syn/README.md
++++ b/third_party/rust/syn/README.md
+@@ -1,10 +1,10 @@
+ Parser for Rust source code
+ ===========================
+
+-[![Build Status](https://api.travis-ci.org/dtolnay/syn.svg?branch=master)](https://travis-ci.org/dtolnay/syn)
+-[![Latest Version](https://img.shields.io/crates/v/syn.svg)](https://crates.io/crates/syn)
+-[![Rust Documentation](https://img.shields.io/badge/api-rustdoc-blue.svg)](https://docs.rs/syn/1.0/syn/)
+-[![Rustc Version 1.31+](https://img.shields.io/badge/rustc-1.31+-lightgray.svg)](https://blog.rust-lang.org/2018/12/06/Rust-1.31-and-rust-2018.html)
++[<img alt="github" src="https://img.shields.io/badge/github-dtolnay/syn-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="20">](https://github.com/dtolnay/syn)
++[<img alt="crates.io" src="https://img.shields.io/crates/v/syn.svg?style=for-the-badge&color=fc8d62&logo=rust" height="20">](https://crates.io/crates/syn)
++[<img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-syn-66c2a5?style=for-the-badge&labelColor=555555&logoColor=white&logo=data:image/svg+xml;base64,PHN2ZyByb2xlPSJpbWciIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgdmlld0JveD0iMCAwIDUxMiA1MTIiPjxwYXRoIGZpbGw9IiNmNWY1ZjUiIGQ9Ik00ODguNiAyNTAuMkwzOTIgMjE0VjEwNS41YzAtMTUtOS4zLTI4LjQtMjMuNC0zMy43bC0xMDAtMzcuNWMtOC4xLTMuMS0xNy4xLTMuMS0yNS4zIDBsLTEwMCAzNy41Yy0xNC4xIDUuMy0yMy40IDE4LjctMjMuNCAzMy43VjIxNGwtOTYuNiAzNi4yQzkuMyAyNTUuNSAwIDI2OC45IDAgMjgzLjlWMzk0YzAgMTMuNiA3LjcgMjYuMSAxOS45IDMyLjJsMTAwIDUwYzEwLjEgNS4xIDIyLjEgNS4xIDMyLjIgMGwxMDMuOS01MiAxMDMuOSA1MmMxMC4xIDUuMSAyMi4xIDUuMSAzMi4yIDBsMTAwLTUwYzEyLjItNi4xIDE5LjktMTguNiAxOS45LTMyLjJWMjgzLjljMC0xNS05LjMtMjguNC0yMy40LTMzLjd6TTM1OCAyMTQuOGwtODUgMzEuOXYtNjguMmw4NS0zN3Y3My4zek0xNTQgMTA0LjFsMTAyLTM4LjIgMTAyIDM4LjJ2LjZsLTEwMiA0MS40LTEwMi00MS40di0uNnptODQgMjkxLjFsLTg1IDQyLjV2LTc5LjFsODUtMzguOHY3NS40em0wLTExMmwtMTAyIDQxLjQtMTAyLTQxLjR2LS42bDEwMi0zOC4yIDEwMiAzOC4ydi42em0yNDAgMTEybC04NSA0Mi41di03OS4xbDg1LTM4Ljh2NzUuNHptMC0xMTJsLTEwMiA0MS40LTEwMi00MS40di0uNmwxMDItMzguMiAxMDIgMzguMnYuNnoiPjwvcGF0aD48L3N2Zz4K" height="20">](https://docs.rs/syn)
++[<img alt="build status" src="https://img.shields.io/github/workflow/status/dtolnay/syn/CI/master?style=for-the-badge" height="20">](https://github.com/dtolnay/syn/actions?query=branch%3Amaster)
+
+ Syn is a parsing library for parsing a stream of Rust tokens into a syntax tree
+ of Rust source code.
+@@ -46,10 +46,6 @@ contains some APIs that may be useful more generally.
+ [`syn::DeriveInput`]: https://docs.rs/syn/1.0/syn/struct.DeriveInput.html
+ [parser functions]: https://docs.rs/syn/1.0/syn/parse/index.html
+
+-If you get stuck with anything involving procedural macros in Rust I am happy to
+-provide help even if the issue is not related to Syn. Please file a ticket in
+-this repo.
+-
+ *Version requirement: Syn supports rustc 1.31 and up.*
+
+ [*Release notes*](https://github.com/dtolnay/syn/releases)
+@@ -88,8 +84,6 @@ proc-macro = true
+ ```
+
+ ```rust
+-extern crate proc_macro;
+-
+ use proc_macro::TokenStream;
+ use quote::quote;
+ use syn::{parse_macro_input, DeriveInput};
+@@ -271,7 +265,7 @@ points, which are required by the language to use `proc_macro::TokenStream`.
+ The proc-macro2 crate will automatically detect and use the compiler's data
+ structures when a procedural macro is active.
+
+-[proc-macro2]: https://docs.rs/proc-macro2/1.0.0/proc_macro2/
++[proc-macro2]: https://docs.rs/proc-macro2/1.0/proc_macro2/
+
+ <br>
+
+diff --git a/third_party/rust/syn/benches/file.rs b/third_party/rust/syn/benches/file.rs
+index 08ecd90960..58ab8df297 100644
+--- a/third_party/rust/syn/benches/file.rs
++++ b/third_party/rust/syn/benches/file.rs
+@@ -1,9 +1,16 @@
+ // $ cargo bench --features full --bench file
+
+ #![feature(rustc_private, test)]
++#![recursion_limit = "1024"]
+
+ extern crate test;
+
++#[macro_use]
++#[path = "../tests/macros/mod.rs"]
++mod macros;
++
++#[path = "../tests/common/mod.rs"]
++mod common;
+ #[path = "../tests/repo/mod.rs"]
+ pub mod repo;
+
+diff --git a/third_party/rust/syn/benches/rust.rs b/third_party/rust/syn/benches/rust.rs
+index e3d9cd29ba..50e1a7f601 100644
+--- a/third_party/rust/syn/benches/rust.rs
++++ b/third_party/rust/syn/benches/rust.rs
+@@ -4,7 +4,14 @@
+ // $ RUSTFLAGS='--cfg syn_only' cargo build --release --features full --bench rust
+
+ #![cfg_attr(not(syn_only), feature(rustc_private))]
++#![recursion_limit = "1024"]
+
++#[macro_use]
++#[path = "../tests/macros/mod.rs"]
++mod macros;
++
++#[path = "../tests/common/mod.rs"]
++mod common;
+ #[path = "../tests/repo/mod.rs"]
+ mod repo;
+
+@@ -28,31 +35,35 @@ mod syn_parse {
+ }
+
+ #[cfg(not(syn_only))]
+-mod libsyntax_parse {
++mod librustc_parse {
+ extern crate rustc_data_structures;
+- extern crate syntax;
+- extern crate syntax_pos;
++ extern crate rustc_errors;
++ extern crate rustc_parse;
++ extern crate rustc_session;
++ extern crate rustc_span;
+
+ use rustc_data_structures::sync::Lrc;
+- use syntax::edition::Edition;
+- use syntax::errors::{emitter::Emitter, DiagnosticBuilder, Handler};
+- use syntax::parse::ParseSess;
+- use syntax::source_map::{FilePathMapping, SourceMap};
+- use syntax_pos::FileName;
++ use rustc_errors::{emitter::Emitter, Diagnostic, Handler};
++ use rustc_session::parse::ParseSess;
++ use rustc_span::source_map::{FilePathMapping, SourceMap};
++ use rustc_span::{edition::Edition, FileName};
+
+ pub fn bench(content: &str) -> Result<(), ()> {
+ struct SilentEmitter;
+
+ impl Emitter for SilentEmitter {
+- fn emit_diagnostic(&mut self, _db: &DiagnosticBuilder) {}
++ fn emit_diagnostic(&mut self, _diag: &Diagnostic) {}
++ fn source_map(&self) -> Option<&Lrc<SourceMap>> {
++ None
++ }
+ }
+
+- syntax::with_globals(Edition::Edition2018, || {
++ rustc_span::with_session_globals(Edition::Edition2018, || {
+ let cm = Lrc::new(SourceMap::new(FilePathMapping::empty()));
+ let emitter = Box::new(SilentEmitter);
+ let handler = Handler::with_emitter(false, None, emitter);
+ let sess = ParseSess::with_span_handler(handler, cm);
+- if let Err(mut diagnostic) = syntax::parse::parse_crate_from_source_str(
++ if let Err(mut diagnostic) = rustc_parse::parse_crate_from_source_str(
+ FileName::Custom("bench".to_owned()),
+ content.to_owned(),
+ &sess,
+@@ -104,11 +115,11 @@ fn main() {
+ repo::clone_rust();
+
+ macro_rules! testcases {
+- ($($(#[$cfg:meta])* $name:path,)*) => {
++ ($($(#[$cfg:meta])* $name:ident,)*) => {
+ vec![
+ $(
+ $(#[$cfg])*
+- (stringify!($name), $name as fn(&str) -> Result<(), ()>),
++ (stringify!($name), $name::bench as fn(&str) -> Result<(), ()>),
+ )*
+ ]
+ };
+@@ -128,12 +139,12 @@ fn main() {
+
+ for (name, f) in testcases!(
+ #[cfg(not(syn_only))]
+- read_from_disk::bench,
++ read_from_disk,
+ #[cfg(not(syn_only))]
+- tokenstream_parse::bench,
+- syn_parse::bench,
++ tokenstream_parse,
++ syn_parse,
+ #[cfg(not(syn_only))]
+- libsyntax_parse::bench,
++ librustc_parse,
+ ) {
+ eprint!("{:20}", format!("{}:", name));
+ let elapsed = exec(f);
+diff --git a/third_party/rust/syn/build.rs b/third_party/rust/syn/build.rs
+index c0f9ed3406..cf7681c3f9 100644
+--- a/third_party/rust/syn/build.rs
++++ b/third_party/rust/syn/build.rs
+@@ -1,6 +1,6 @@
+ use std::env;
+ use std::process::Command;
+-use std::str::{self, FromStr};
++use std::str;
+
+ // The rustc-cfg strings below are *not* public API. Please let us know by
+ // opening a GitHub issue if your build environment requires some way to enable
+@@ -26,38 +26,14 @@ struct Compiler {
+ }
+
+ fn rustc_version() -> Option<Compiler> {
+- let rustc = match env::var_os("RUSTC") {
+- Some(rustc) => rustc,
+- None => return None,
+- };
+-
+- let output = match Command::new(rustc).arg("--version").output() {
+- Ok(output) => output,
+- Err(_) => return None,
+- };
+-
+- let version = match str::from_utf8(&output.stdout) {
+- Ok(version) => version,
+- Err(_) => return None,
+- };
+-
++ let rustc = env::var_os("RUSTC")?;
++ let output = Command::new(rustc).arg("--version").output().ok()?;
++ let version = str::from_utf8(&output.stdout).ok()?;
+ let mut pieces = version.split('.');
+ if pieces.next() != Some("rustc 1") {
+ return None;
+ }
+-
+- let next = match pieces.next() {
+- Some(next) => next,
+- None => return None,
+- };
+-
+- let minor = match u32::from_str(next) {
+- Ok(minor) => minor,
+- Err(_) => return None,
+- };
+-
+- Some(Compiler {
+- minor: minor,
+- nightly: version.contains("nightly"),
+- })
++ let minor = pieces.next()?.parse().ok()?;
++ let nightly = version.contains("nightly");
++ Some(Compiler { minor, nightly })
+ }
+diff --git a/third_party/rust/syn/src/attr.rs b/third_party/rust/syn/src/attr.rs
+index 34009deabc..fa4f1cb2a3 100644
+--- a/third_party/rust/syn/src/attr.rs
++++ b/third_party/rust/syn/src/attr.rs
+@@ -9,15 +9,11 @@ use proc_macro2::TokenStream;
+ use crate::parse::{Parse, ParseBuffer, ParseStream, Parser, Result};
+ #[cfg(feature = "parsing")]
+ use crate::punctuated::Pair;
+-#[cfg(feature = "extra-traits")]
+-use crate::tt::TokenStreamHelper;
+-#[cfg(feature = "extra-traits")]
+-use std::hash::{Hash, Hasher};
+
+ ast_struct! {
+ /// An attribute like `#[repr(transparent)]`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ ///
+ /// <br>
+@@ -111,7 +107,46 @@ ast_struct! {
+ ///
+ /// [`parse_meta()`]: Attribute::parse_meta
+ /// [`parse_args()`]: Attribute::parse_args
+- pub struct Attribute #manual_extra_traits {
++ ///
++ /// <p><br></p>
++ ///
++ /// # Doc comments
++ ///
++ /// The compiler transforms doc comments, such as `/// comment` and `/*!
++ /// comment */`, into attributes before macros are expanded. Each comment is
++ /// expanded into an attribute of the form `#[doc = r"comment"]`.
++ ///
++ /// As an example, the following `mod` items are expanded identically:
++ ///
++ /// ```
++ /// # use syn::{ItemMod, parse_quote};
++ /// let doc: ItemMod = parse_quote! {
++ /// /// Single line doc comments
++ /// /// We write so many!
++ /// /**
++ /// * Multi-line comments...
++ /// * May span many lines
++ /// */
++ /// mod example {
++ /// //! Of course, they can be inner too
++ /// /*! And fit in a single line */
++ /// }
++ /// };
++ /// let attr: ItemMod = parse_quote! {
++ /// #[doc = r" Single line doc comments"]
++ /// #[doc = r" We write so many!"]
++ /// #[doc = r"
++ /// * Multi-line comments...
++ /// * May span many lines
++ /// "]
++ /// mod example {
++ /// #![doc = r" Of course, they can be inner too"]
++ /// #![doc = r" And fit in a single line "]
++ /// }
++ /// };
++ /// assert_eq!(doc, attr);
++ /// ```
++ pub struct Attribute {
+ pub pound_token: Token![#],
+ pub style: AttrStyle,
+ pub bracket_token: token::Bracket,
+@@ -120,39 +155,11 @@ ast_struct! {
+ }
+ }
+
+-#[cfg(feature = "extra-traits")]
+-impl Eq for Attribute {}
+-
+-#[cfg(feature = "extra-traits")]
+-impl PartialEq for Attribute {
+- fn eq(&self, other: &Self) -> bool {
+- self.style == other.style
+- && self.pound_token == other.pound_token
+- && self.bracket_token == other.bracket_token
+- && self.path == other.path
+- && TokenStreamHelper(&self.tokens) == TokenStreamHelper(&other.tokens)
+- }
+-}
+-
+-#[cfg(feature = "extra-traits")]
+-impl Hash for Attribute {
+- fn hash<H>(&self, state: &mut H)
+- where
+- H: Hasher,
+- {
+- self.style.hash(state);
+- self.pound_token.hash(state);
+- self.bracket_token.hash(state);
+- self.path.hash(state);
+- TokenStreamHelper(&self.tokens).hash(state);
+- }
+-}
+-
+ impl Attribute {
+ /// Parses the content of the attribute, consisting of the path and tokens,
+ /// as a [`Meta`] if possible.
+ ///
+- /// *This function is available if Syn is built with the `"parsing"`
++ /// *This function is available only if Syn is built with the `"parsing"`
+ /// feature.*
+ #[cfg(feature = "parsing")]
+ pub fn parse_meta(&self) -> Result<Meta> {
+@@ -199,7 +206,7 @@ impl Attribute {
+ /// ^^^^^^^^^ what gets parsed
+ /// ```
+ ///
+- /// *This function is available if Syn is built with the `"parsing"`
++ /// *This function is available only if Syn is built with the `"parsing"`
+ /// feature.*
+ #[cfg(feature = "parsing")]
+ pub fn parse_args<T: Parse>(&self) -> Result<T> {
+@@ -208,7 +215,7 @@ impl Attribute {
+
+ /// Parse the arguments to the attribute using the given parser.
+ ///
+- /// *This function is available if Syn is built with the `"parsing"`
++ /// *This function is available only if Syn is built with the `"parsing"`
+ /// feature.*
+ #[cfg(feature = "parsing")]
+ pub fn parse_args_with<F: Parser>(&self, parser: F) -> Result<F::Output> {
+@@ -221,7 +228,7 @@ impl Attribute {
+
+ /// Parses zero or more outer attributes from the stream.
+ ///
+- /// *This function is available if Syn is built with the `"parsing"`
++ /// *This function is available only if Syn is built with the `"parsing"`
+ /// feature.*
+ #[cfg(feature = "parsing")]
+ pub fn parse_outer(input: ParseStream) -> Result<Vec<Self>> {
+@@ -234,7 +241,7 @@ impl Attribute {
+
+ /// Parses zero or more inner attributes from the stream.
+ ///
+- /// *This function is available if Syn is built with the `"parsing"`
++ /// *This function is available only if Syn is built with the `"parsing"`
+ /// feature.*
+ #[cfg(feature = "parsing")]
+ pub fn parse_inner(input: ParseStream) -> Result<Vec<Self>> {
+@@ -247,7 +254,7 @@ impl Attribute {
+ }
+
+ #[cfg(feature = "parsing")]
+-fn error_expected_args(attr: &Attribute) -> Error {
++fn expected_parentheses(attr: &Attribute) -> String {
+ let style = match attr.style {
+ AttrStyle::Outer => "#",
+ AttrStyle::Inner(_) => "#!",
+@@ -261,19 +268,23 @@ fn error_expected_args(attr: &Attribute) -> Error {
+ path += &segment.ident.to_string();
+ }
+
+- let msg = format!("expected attribute arguments: {}[{}(...)]", style, path);
+-
+- #[cfg(feature = "printing")]
+- return Error::new_spanned(attr, msg);
+-
+- #[cfg(not(feature = "printing"))]
+- return Error::new(attr.bracket_token.span, msg);
++ format!("{}[{}(...)]", style, path)
+ }
+
+ #[cfg(feature = "parsing")]
+ fn enter_args<'a>(attr: &Attribute, input: ParseStream<'a>) -> Result<ParseBuffer<'a>> {
+ if input.is_empty() {
+- return Err(error_expected_args(attr));
++ let expected = expected_parentheses(attr);
++ let msg = format!("expected attribute arguments in parentheses: {}", expected);
++ return Err(crate::error::new2(
++ attr.pound_token.span,
++ attr.bracket_token.span,
++ msg,
++ ));
++ } else if input.peek(Token![=]) {
++ let expected = expected_parentheses(attr);
++ let msg = format!("expected parentheses: {}", expected);
++ return Err(input.error(msg));
+ };
+
+ let content;
+@@ -298,7 +309,7 @@ ast_enum! {
+ /// Distinguishes between attributes that decorate an item and attributes
+ /// that are contained within an item.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ ///
+ /// # Outer attributes
+@@ -312,7 +323,6 @@ ast_enum! {
+ /// - `#![feature(proc_macro)]`
+ /// - `//! # Example`
+ /// - `/*! Please file an issue */`
+- #[cfg_attr(feature = "clone-impls", derive(Copy))]
+ pub enum AttrStyle {
+ Outer,
+ Inner(Token![!]),
+@@ -322,7 +332,7 @@ ast_enum! {
+ ast_enum_of_structs! {
+ /// Content of a compile-time structured attribute.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ ///
+ /// ## Path
+@@ -360,7 +370,7 @@ ast_enum_of_structs! {
+ ast_struct! {
+ /// A structured list within an attribute, like `derive(Copy, Clone)`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct MetaList {
+ pub path: Path,
+@@ -372,7 +382,7 @@ ast_struct! {
+ ast_struct! {
+ /// A name-value pair within an attribute, like `feature = "nightly"`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct MetaNameValue {
+ pub path: Path,
+@@ -398,7 +408,7 @@ impl Meta {
+ ast_enum_of_structs! {
+ /// Element of a compile-time attribute list.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ pub enum NestedMeta {
+ /// A structured meta item, like the `Copy` in `#[derive(Copy)]` which
+@@ -429,8 +439,8 @@ ast_enum_of_structs! {
+ /// as type `AttributeArgs`.
+ ///
+ /// ```
+-/// extern crate proc_macro;
+-///
++/// # extern crate proc_macro;
++/// #
+ /// use proc_macro::TokenStream;
+ /// use syn::{parse_macro_input, AttributeArgs, ItemFn};
+ ///
+@@ -464,7 +474,7 @@ where
+ fn is_outer(attr: &&Attribute) -> bool {
+ match attr.style {
+ AttrStyle::Outer => true,
+- _ => false,
++ AttrStyle::Inner(_) => false,
+ }
+ }
+ self.into_iter().filter(is_outer)
+@@ -474,7 +484,7 @@ where
+ fn is_inner(attr: &&Attribute) -> bool {
+ match attr.style {
+ AttrStyle::Inner(_) => true,
+- _ => false,
++ AttrStyle::Outer => false,
+ }
+ }
+ self.into_iter().filter(is_inner)
+diff --git a/third_party/rust/syn/src/buffer.rs b/third_party/rust/syn/src/buffer.rs
+index 551a5ac816..a461cc49ea 100644
+--- a/third_party/rust/syn/src/buffer.rs
++++ b/third_party/rust/syn/src/buffer.rs
+@@ -1,7 +1,7 @@
+ //! A stably addressed token buffer supporting efficient traversal based on a
+ //! cheaply copyable cursor.
+ //!
+-//! *This module is available if Syn is built with the `"parsing"` feature.*
++//! *This module is available only if Syn is built with the `"parsing"` feature.*
+
+ // This module is heavily commented as it contains most of the unsafe code in
+ // Syn, and caution should be used when editing it. The public-facing interface
+@@ -36,7 +36,7 @@ enum Entry {
+ /// `TokenStream` which requires a deep copy in order to traverse more than
+ /// once.
+ ///
+-/// *This type is available if Syn is built with the `"parsing"` feature.*
++/// *This type is available only if Syn is built with the `"parsing"` feature.*
+ pub struct TokenBuffer {
+ // NOTE: Do not derive clone on this - there are raw pointers inside which
+ // will be messed up. Moving the `TokenBuffer` itself is safe as the actual
+@@ -98,7 +98,7 @@ impl TokenBuffer {
+ /// Creates a `TokenBuffer` containing all the tokens from the input
+ /// `TokenStream`.
+ ///
+- /// *This method is available if Syn is built with both the `"parsing"` and
++ /// *This method is available only if Syn is built with both the `"parsing"` and
+ /// `"proc-macro"` features.*
+ #[cfg(all(
+ not(all(target_arch = "wasm32", any(target_os = "unknown", target_os = "wasi"))),
+@@ -133,8 +133,7 @@ impl TokenBuffer {
+ /// Two cursors are equal if they have the same location in the same input
+ /// stream, and have the same scope.
+ ///
+-/// *This type is available if Syn is built with the `"parsing"` feature.*
+-#[derive(Copy, Clone, Eq, PartialEq)]
++/// *This type is available only if Syn is built with the `"parsing"` feature.*
+ pub struct Cursor<'a> {
+ // The current entry which the `Cursor` is pointing at.
+ ptr: *const Entry,
+@@ -201,13 +200,13 @@ impl<'a> Cursor<'a> {
+ Cursor::create(self.ptr.offset(1), self.scope)
+ }
+
+- /// If the cursor is looking at a `None`-delimited group, move it to look at
+- /// the first token inside instead. If the group is empty, this will move
++ /// While the cursor is looking at a `None`-delimited group, move it to look
++ /// at the first token inside instead. If the group is empty, this will move
+ /// the cursor past the `None`-delimited group.
+ ///
+ /// WARNING: This mutates its argument.
+ fn ignore_none(&mut self) {
+- if let Entry::Group(group, buf) = self.entry() {
++ while let Entry::Group(group, buf) = self.entry() {
+ if group.delimiter() == Delimiter::None {
+ // NOTE: We call `Cursor::create` here to make sure that
+ // situations where we should immediately exit the span after
+@@ -215,13 +214,14 @@ impl<'a> Cursor<'a> {
+ unsafe {
+ *self = Cursor::create(&buf.data[0], self.scope);
+ }
++ } else {
++ break;
+ }
+ }
+ }
+
+ /// Checks whether the cursor is currently pointing at the end of its valid
+ /// scope.
+- #[inline]
+ pub fn eof(self) -> bool {
+ // We're at eof if we're at the end of our scope.
+ self.ptr == self.scope
+@@ -342,6 +342,44 @@ impl<'a> Cursor<'a> {
+ Entry::End(..) => Span::call_site(),
+ }
+ }
++
++ /// Skip over the next token without cloning it. Returns `None` if this
++ /// cursor points to eof.
++ ///
++ /// This method treats `'lifetimes` as a single token.
++ pub(crate) fn skip(self) -> Option<Cursor<'a>> {
++ match self.entry() {
++ Entry::End(..) => None,
++
++ // Treat lifetimes as a single tt for the purposes of 'skip'.
++ Entry::Punct(op) if op.as_char() == '\'' && op.spacing() == Spacing::Joint => {
++ let next = unsafe { self.bump() };
++ match next.entry() {
++ Entry::Ident(_) => Some(unsafe { next.bump() }),
++ _ => Some(next),
++ }
++ }
++ _ => Some(unsafe { self.bump() }),
++ }
++ }
++}
++
++impl<'a> Copy for Cursor<'a> {}
++
++impl<'a> Clone for Cursor<'a> {
++ fn clone(&self) -> Self {
++ *self
++ }
++}
++
++impl<'a> Eq for Cursor<'a> {}
++
++impl<'a> PartialEq for Cursor<'a> {
++ fn eq(&self, other: &Self) -> bool {
++ let Cursor { ptr, scope, marker } = self;
++ let _ = marker;
++ *ptr == other.ptr && *scope == other.scope
++ }
+ }
+
+ pub(crate) fn same_scope(a: Cursor, b: Cursor) -> bool {
+diff --git a/third_party/rust/syn/src/custom_keyword.rs b/third_party/rust/syn/src/custom_keyword.rs
+index 200e8478ef..a33044a564 100644
+--- a/third_party/rust/syn/src/custom_keyword.rs
++++ b/third_party/rust/syn/src/custom_keyword.rs
+@@ -86,7 +86,7 @@
+ /// }
+ /// }
+ /// ```
+-#[macro_export(local_inner_macros)]
++#[macro_export]
+ macro_rules! custom_keyword {
+ ($ident:ident) => {
+ #[allow(non_camel_case_types)]
+@@ -95,7 +95,7 @@ macro_rules! custom_keyword {
+ }
+
+ #[doc(hidden)]
+- #[allow(non_snake_case)]
++ #[allow(dead_code, non_snake_case)]
+ pub fn $ident<__S: $crate::export::IntoSpans<[$crate::export::Span; 1]>>(
+ span: __S,
+ ) -> $ident {
+@@ -112,10 +112,10 @@ macro_rules! custom_keyword {
+ }
+ }
+
+- impl_parse_for_custom_keyword!($ident);
+- impl_to_tokens_for_custom_keyword!($ident);
+- impl_clone_for_custom_keyword!($ident);
+- impl_extra_traits_for_custom_keyword!($ident);
++ $crate::impl_parse_for_custom_keyword!($ident);
++ $crate::impl_to_tokens_for_custom_keyword!($ident);
++ $crate::impl_clone_for_custom_keyword!($ident);
++ $crate::impl_extra_traits_for_custom_keyword!($ident);
+ };
+ }
+
+diff --git a/third_party/rust/syn/src/custom_punctuation.rs b/third_party/rust/syn/src/custom_punctuation.rs
+index 29fa448bd8..70dff42851 100644
+--- a/third_party/rust/syn/src/custom_punctuation.rs
++++ b/third_party/rust/syn/src/custom_punctuation.rs
+@@ -74,19 +74,19 @@
+ /// let _: PathSegments = syn::parse_str(input).unwrap();
+ /// }
+ /// ```
+-#[macro_export(local_inner_macros)]
++#[macro_export]
+ macro_rules! custom_punctuation {
+ ($ident:ident, $($tt:tt)+) => {
+ pub struct $ident {
+- pub spans: custom_punctuation_repr!($($tt)+),
++ pub spans: $crate::custom_punctuation_repr!($($tt)+),
+ }
+
+ #[doc(hidden)]
+- #[allow(non_snake_case)]
+- pub fn $ident<__S: $crate::export::IntoSpans<custom_punctuation_repr!($($tt)+)>>(
++ #[allow(dead_code, non_snake_case)]
++ pub fn $ident<__S: $crate::export::IntoSpans<$crate::custom_punctuation_repr!($($tt)+)>>(
+ spans: __S,
+ ) -> $ident {
+- let _validate_len = 0 $(+ custom_punctuation_len!(strict, $tt))*;
++ let _validate_len = 0 $(+ $crate::custom_punctuation_len!(strict, $tt))*;
+ $ident {
+ spans: $crate::export::IntoSpans::into_spans(spans)
+ }
+@@ -98,33 +98,33 @@ macro_rules! custom_punctuation {
+ }
+ }
+
+- impl_parse_for_custom_punctuation!($ident, $($tt)+);
+- impl_to_tokens_for_custom_punctuation!($ident, $($tt)+);
+- impl_clone_for_custom_punctuation!($ident, $($tt)+);
+- impl_extra_traits_for_custom_punctuation!($ident, $($tt)+);
++ $crate::impl_parse_for_custom_punctuation!($ident, $($tt)+);
++ $crate::impl_to_tokens_for_custom_punctuation!($ident, $($tt)+);
++ $crate::impl_clone_for_custom_punctuation!($ident, $($tt)+);
++ $crate::impl_extra_traits_for_custom_punctuation!($ident, $($tt)+);
+ };
+ }
+
+ // Not public API.
+ #[cfg(feature = "parsing")]
+ #[doc(hidden)]
+-#[macro_export(local_inner_macros)]
++#[macro_export]
+ macro_rules! impl_parse_for_custom_punctuation {
+ ($ident:ident, $($tt:tt)+) => {
+ impl $crate::token::CustomToken for $ident {
+ fn peek(cursor: $crate::buffer::Cursor) -> bool {
+- $crate::token::parsing::peek_punct(cursor, stringify_punct!($($tt)+))
++ $crate::token::parsing::peek_punct(cursor, $crate::stringify_punct!($($tt)+))
+ }
+
+ fn display() -> &'static $crate::export::str {
+- custom_punctuation_concat!("`", stringify_punct!($($tt)+), "`")
++ concat!("`", $crate::stringify_punct!($($tt)+), "`")
+ }
+ }
+
+ impl $crate::parse::Parse for $ident {
+ fn parse(input: $crate::parse::ParseStream) -> $crate::parse::Result<$ident> {
+- let spans: custom_punctuation_repr!($($tt)+) =
+- $crate::token::parsing::punct(input, stringify_punct!($($tt)+))?;
++ let spans: $crate::custom_punctuation_repr!($($tt)+) =
++ $crate::token::parsing::punct(input, $crate::stringify_punct!($($tt)+))?;
+ Ok($ident(spans))
+ }
+ }
+@@ -142,12 +142,12 @@ macro_rules! impl_parse_for_custom_punctuation {
+ // Not public API.
+ #[cfg(feature = "printing")]
+ #[doc(hidden)]
+-#[macro_export(local_inner_macros)]
++#[macro_export]
+ macro_rules! impl_to_tokens_for_custom_punctuation {
+ ($ident:ident, $($tt:tt)+) => {
+ impl $crate::export::ToTokens for $ident {
+ fn to_tokens(&self, tokens: &mut $crate::export::TokenStream2) {
+- $crate::token::printing::punct(stringify_punct!($($tt)+), &self.spans, tokens)
++ $crate::token::printing::punct($crate::stringify_punct!($($tt)+), &self.spans, tokens)
+ }
+ }
+ };
+@@ -221,16 +221,16 @@ macro_rules! impl_extra_traits_for_custom_punctuation {
+
+ // Not public API.
+ #[doc(hidden)]
+-#[macro_export(local_inner_macros)]
++#[macro_export]
+ macro_rules! custom_punctuation_repr {
+ ($($tt:tt)+) => {
+- [$crate::export::Span; 0 $(+ custom_punctuation_len!(lenient, $tt))+]
++ [$crate::export::Span; 0 $(+ $crate::custom_punctuation_len!(lenient, $tt))+]
+ };
+ }
+
+ // Not public API.
+ #[doc(hidden)]
+-#[macro_export(local_inner_macros)]
++#[macro_export]
+ #[rustfmt::skip]
+ macro_rules! custom_punctuation_len {
+ ($mode:ident, +) => { 1 };
+@@ -279,7 +279,7 @@ macro_rules! custom_punctuation_len {
+ ($mode:ident, -=) => { 2 };
+ ($mode:ident, ~) => { 1 };
+ (lenient, $tt:tt) => { 0 };
+- (strict, $tt:tt) => {{ custom_punctuation_unexpected!($tt); 0 }};
++ (strict, $tt:tt) => {{ $crate::custom_punctuation_unexpected!($tt); 0 }};
+ }
+
+ // Not public API.
+@@ -297,13 +297,3 @@ macro_rules! stringify_punct {
+ concat!($(stringify!($tt)),+)
+ };
+ }
+-
+-// Not public API.
+-// Without this, local_inner_macros breaks when looking for concat!
+-#[doc(hidden)]
+-#[macro_export]
+-macro_rules! custom_punctuation_concat {
+- ($($tt:tt)*) => {
+- concat!($($tt)*)
+- };
+-}
+diff --git a/third_party/rust/syn/src/data.rs b/third_party/rust/syn/src/data.rs
+index be43679874..b217b8ca6f 100644
+--- a/third_party/rust/syn/src/data.rs
++++ b/third_party/rust/syn/src/data.rs
+@@ -4,7 +4,7 @@ use crate::punctuated::Punctuated;
+ ast_struct! {
+ /// An enum variant.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ pub struct Variant {
+ /// Attributes tagged on the variant.
+@@ -24,7 +24,7 @@ ast_struct! {
+ ast_enum_of_structs! {
+ /// Data stored within an enum variant or struct.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ ///
+ /// # Syntax tree enum
+@@ -52,7 +52,7 @@ ast_struct! {
+ /// Named fields of a struct or struct variant such as `Point { x: f64,
+ /// y: f64 }`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct FieldsNamed {
+ pub brace_token: token::Brace,
+@@ -63,7 +63,7 @@ ast_struct! {
+ ast_struct! {
+ /// Unnamed fields of a tuple struct or tuple variant such as `Some(T)`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct FieldsUnnamed {
+ pub paren_token: token::Paren,
+@@ -93,6 +93,24 @@ impl Fields {
+ Fields::Unnamed(f) => f.unnamed.iter_mut(),
+ }
+ }
++
++ /// Returns the number of fields.
++ pub fn len(&self) -> usize {
++ match self {
++ Fields::Unit => 0,
++ Fields::Named(f) => f.named.len(),
++ Fields::Unnamed(f) => f.unnamed.len(),
++ }
++ }
++
++ /// Returns `true` if there are zero fields.
++ pub fn is_empty(&self) -> bool {
++ match self {
++ Fields::Unit => true,
++ Fields::Named(f) => f.named.is_empty(),
++ Fields::Unnamed(f) => f.unnamed.is_empty(),
++ }
++ }
+ }
+
+ impl IntoIterator for Fields {
+@@ -129,7 +147,7 @@ impl<'a> IntoIterator for &'a mut Fields {
+ ast_struct! {
+ /// A field of a struct or enum variant.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ pub struct Field {
+ /// Attributes tagged on the field.
+@@ -154,7 +172,7 @@ ast_enum_of_structs! {
+ /// The visibility level of an item: inherited or `pub` or
+ /// `pub(restricted)`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ ///
+ /// # Syntax tree enum
+@@ -184,7 +202,7 @@ ast_enum_of_structs! {
+ ast_struct! {
+ /// A public visibility level: `pub`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct VisPublic {
+ pub pub_token: Token![pub],
+@@ -194,7 +212,7 @@ ast_struct! {
+ ast_struct! {
+ /// A crate-level visibility: `crate`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct VisCrate {
+ pub crate_token: Token![crate],
+@@ -205,7 +223,7 @@ ast_struct! {
+ /// A visibility level restricted to some path: `pub(self)` or
+ /// `pub(super)` or `pub(crate)` or `pub(in some::module)`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct VisRestricted {
+ pub pub_token: Token![pub],
+@@ -220,12 +238,15 @@ pub mod parsing {
+ use super::*;
+
+ use crate::ext::IdentExt;
++ use crate::parse::discouraged::Speculative;
+ use crate::parse::{Parse, ParseStream, Result};
+
+ impl Parse for Variant {
+ fn parse(input: ParseStream) -> Result<Self> {
++ let attrs = input.call(Attribute::parse_outer)?;
++ let _visibility: Visibility = input.parse()?;
+ Ok(Variant {
+- attrs: input.call(Attribute::parse_outer)?,
++ attrs,
+ ident: input.parse()?,
+ fields: {
+ if input.peek(token::Brace) {
+@@ -295,6 +316,17 @@ pub mod parsing {
+
+ impl Parse for Visibility {
+ fn parse(input: ParseStream) -> Result<Self> {
++ // Recognize an empty None-delimited group, as produced by a $:vis
++ // matcher that matched no tokens.
++ if input.peek(token::Group) {
++ let ahead = input.fork();
++ let group = crate::group::parse_group(&ahead)?;
++ if group.content.is_empty() {
++ input.advance_to(&ahead);
++ return Ok(Visibility::Inherited);
++ }
++ }
++
+ if input.peek(Token![pub]) {
+ Self::parse_pub(input)
+ } else if input.peek(Token![crate]) {
+@@ -310,27 +342,39 @@ pub mod parsing {
+ let pub_token = input.parse::<Token![pub]>()?;
+
+ if input.peek(token::Paren) {
+- // TODO: optimize using advance_to
+ let ahead = input.fork();
+- let mut content;
+- parenthesized!(content in ahead);
+
++ let content;
++ let paren_token = parenthesized!(content in ahead);
+ if content.peek(Token![crate])
+ || content.peek(Token![self])
+ || content.peek(Token![super])
+ {
+- return Ok(Visibility::Restricted(VisRestricted {
+- pub_token,
+- paren_token: parenthesized!(content in input),
+- in_token: None,
+- path: Box::new(Path::from(content.call(Ident::parse_any)?)),
+- }));
++ let path = content.call(Ident::parse_any)?;
++
++ // Ensure there are no additional tokens within `content`.
++ // Without explicitly checking, we may misinterpret a tuple
++ // field as a restricted visibility, causing a parse error.
++ // e.g. `pub (crate::A, crate::B)` (Issue #720).
++ if content.is_empty() {
++ input.advance_to(&ahead);
++ return Ok(Visibility::Restricted(VisRestricted {
++ pub_token,
++ paren_token,
++ in_token: None,
++ path: Box::new(Path::from(path)),
++ }));
++ }
+ } else if content.peek(Token![in]) {
++ let in_token: Token![in] = content.parse()?;
++ let path = content.call(Path::parse_mod_style)?;
++
++ input.advance_to(&ahead);
+ return Ok(Visibility::Restricted(VisRestricted {
+ pub_token,
+- paren_token: parenthesized!(content in input),
+- in_token: Some(content.parse()?),
+- path: Box::new(content.call(Path::parse_mod_style)?),
++ paren_token,
++ in_token: Some(in_token),
++ path: Box::new(path),
+ }));
+ }
+ }
+@@ -347,6 +391,14 @@ pub mod parsing {
+ }))
+ }
+ }
++
++ #[cfg(feature = "full")]
++ pub(crate) fn is_some(&self) -> bool {
++ match self {
++ Visibility::Inherited => false,
++ _ => true,
++ }
++ }
+ }
+ }
+
+diff --git a/third_party/rust/syn/src/derive.rs b/third_party/rust/syn/src/derive.rs
+index 8cb9cf7b6d..3fa9d89a93 100644
+--- a/third_party/rust/syn/src/derive.rs
++++ b/third_party/rust/syn/src/derive.rs
+@@ -4,7 +4,7 @@ use crate::punctuated::Punctuated;
+ ast_struct! {
+ /// Data structure sent to a `proc_macro_derive` macro.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` feature.*
++ /// *This type is available only if Syn is built with the `"derive"` feature.*
+ pub struct DeriveInput {
+ /// Attributes tagged on the whole struct or enum.
+ pub attrs: Vec<Attribute>,
+@@ -26,7 +26,7 @@ ast_struct! {
+ ast_enum_of_structs! {
+ /// The storage of a struct, enum or union data structure.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` feature.*
++ /// *This type is available only if Syn is built with the `"derive"` feature.*
+ ///
+ /// # Syntax tree enum
+ ///
+@@ -53,7 +53,7 @@ ast_enum_of_structs! {
+ ast_struct! {
+ /// A struct input to a `proc_macro_derive` macro.
+ ///
+- /// *This type is available if Syn is built with the `"derive"`
++ /// *This type is available only if Syn is built with the `"derive"`
+ /// feature.*
+ pub struct DataStruct {
+ pub struct_token: Token![struct],
+@@ -65,7 +65,7 @@ ast_struct! {
+ ast_struct! {
+ /// An enum input to a `proc_macro_derive` macro.
+ ///
+- /// *This type is available if Syn is built with the `"derive"`
++ /// *This type is available only if Syn is built with the `"derive"`
+ /// feature.*
+ pub struct DataEnum {
+ pub enum_token: Token![enum],
+@@ -77,7 +77,7 @@ ast_struct! {
+ ast_struct! {
+ /// An untagged union input to a `proc_macro_derive` macro.
+ ///
+- /// *This type is available if Syn is built with the `"derive"`
++ /// *This type is available only if Syn is built with the `"derive"`
+ /// feature.*
+ pub struct DataUnion {
+ pub union_token: Token![union],
+diff --git a/third_party/rust/syn/src/discouraged.rs b/third_party/rust/syn/src/discouraged.rs
+index 4d9ff93728..76c9fce6f8 100644
+--- a/third_party/rust/syn/src/discouraged.rs
++++ b/third_party/rust/syn/src/discouraged.rs
+@@ -16,7 +16,7 @@ pub trait Speculative {
+ /// syntax of the form `A* B*` for arbitrary syntax `A` and `B`. The problem
+ /// is that when the fork fails to parse an `A`, it's impossible to tell
+ /// whether that was because of a syntax error and the user meant to provide
+- /// an `A`, or that the `A`s are finished and its time to start parsing
++ /// an `A`, or that the `A`s are finished and it's time to start parsing
+ /// `B`s. Use with care.
+ ///
+ /// Also note that if `A` is a subset of `B`, `A* B*` can be parsed by
+@@ -72,7 +72,6 @@ pub trait Speculative {
+ /// || input.peek(Token![self])
+ /// || input.peek(Token![Self])
+ /// || input.peek(Token![crate])
+- /// || input.peek(Token![extern])
+ /// {
+ /// let ident = input.call(Ident::parse_any)?;
+ /// return Ok(PathSegment::from(ident));
+@@ -164,6 +163,30 @@ impl<'a> Speculative for ParseBuffer<'a> {
+ panic!("Fork was not derived from the advancing parse stream");
+ }
+
++ let (self_unexp, self_sp) = inner_unexpected(self);
++ let (fork_unexp, fork_sp) = inner_unexpected(fork);
++ if !Rc::ptr_eq(&self_unexp, &fork_unexp) {
++ match (fork_sp, self_sp) {
++ // Unexpected set on the fork, but not on `self`, copy it over.
++ (Some(span), None) => {
++ self_unexp.set(Unexpected::Some(span));
++ }
++ // Unexpected unset. Use chain to propagate errors from fork.
++ (None, None) => {
++ fork_unexp.set(Unexpected::Chain(self_unexp));
++
++ // Ensure toplevel 'unexpected' tokens from the fork don't
++ // bubble up the chain by replacing the root `unexpected`
++ // pointer, only 'unexpected' tokens from existing group
++ // parsers should bubble.
++ fork.unexpected
++ .set(Some(Rc::new(Cell::new(Unexpected::None))));
++ }
++ // Unexpected has been set on `self`. No changes needed.
++ (_, Some(_)) => {}
++ }
++ }
++
+ // See comment on `cell` in the struct definition.
+ self.cell
+ .set(unsafe { mem::transmute::<Cursor, Cursor<'static>>(fork.cursor()) })
+diff --git a/third_party/rust/syn/src/error.rs b/third_party/rust/syn/src/error.rs
+index 146d652299..dba34f9254 100644
+--- a/third_party/rust/syn/src/error.rs
++++ b/third_party/rust/syn/src/error.rs
+@@ -1,4 +1,3 @@
+-use std;
+ use std::fmt::{self, Debug, Display};
+ use std::iter::FromIterator;
+ use std::slice;
+@@ -32,8 +31,8 @@ pub type Result<T> = std::result::Result<T, Error>;
+ /// conversion to `compile_error!` automatically.
+ ///
+ /// ```
+-/// extern crate proc_macro;
+-///
++/// # extern crate proc_macro;
++/// #
+ /// use proc_macro::TokenStream;
+ /// use syn::{parse_macro_input, AttributeArgs, ItemFn};
+ ///
+@@ -82,7 +81,6 @@ pub type Result<T> = std::result::Result<T, Error>;
+ /// # }
+ /// # }
+ /// ```
+-#[derive(Clone)]
+ pub struct Error {
+ messages: Vec<ErrorMessage>,
+ }
+@@ -250,6 +248,17 @@ pub fn new_at<T: Display>(scope: Span, cursor: Cursor, message: T) -> Error {
+ }
+ }
+
++#[cfg(all(feature = "parsing", any(feature = "full", feature = "derive")))]
++pub fn new2<T: Display>(start: Span, end: Span, message: T) -> Error {
++ Error {
++ messages: vec![ErrorMessage {
++ start_span: ThreadBound::new(start),
++ end_span: ThreadBound::new(end),
++ message: message.to_string(),
++ }],
++ }
++}
++
+ impl Debug for Error {
+ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+ if self.messages.len() == 1 {
+@@ -278,6 +287,14 @@ impl Display for Error {
+ }
+ }
+
++impl Clone for Error {
++ fn clone(&self) -> Self {
++ Error {
++ messages: self.messages.clone(),
++ }
++ }
++}
++
+ impl Clone for ErrorMessage {
+ fn clone(&self) -> Self {
+ let start = self
+@@ -355,3 +372,11 @@ impl<'a> Iterator for Iter<'a> {
+ })
+ }
+ }
++
++impl Extend<Error> for Error {
++ fn extend<T: IntoIterator<Item = Error>>(&mut self, iter: T) {
++ for err in iter {
++ self.combine(err);
++ }
++ }
++}
+diff --git a/third_party/rust/syn/src/expr.rs b/third_party/rust/syn/src/expr.rs
+index 2874a463aa..2fe0e0b5d8 100644
+--- a/third_party/rust/syn/src/expr.rs
++++ b/third_party/rust/syn/src/expr.rs
+@@ -1,18 +1,21 @@
+ use super::*;
+ use crate::punctuated::Punctuated;
+-#[cfg(feature = "extra-traits")]
+-use crate::tt::TokenStreamHelper;
++#[cfg(feature = "full")]
++use crate::reserved::Reserved;
+ use proc_macro2::{Span, TokenStream};
+-#[cfg(feature = "extra-traits")]
++#[cfg(feature = "printing")]
++use quote::IdentFragment;
++#[cfg(feature = "printing")]
++use std::fmt::{self, Display};
+ use std::hash::{Hash, Hasher};
+-#[cfg(all(feature = "parsing", feature = "full"))]
++#[cfg(feature = "parsing")]
+ use std::mem;
+
+ ast_enum_of_structs! {
+ /// A Rust expression.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
+- /// feature.*
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
++ /// feature, but most of the variants are not available unless "full" is enabled.*
+ ///
+ /// # Syntax tree enums
+ ///
+@@ -83,7 +86,7 @@ ast_enum_of_structs! {
+ /// A sign that you may not be choosing the right variable names is if you
+ /// see names getting repeated in your code, like accessing
+ /// `receiver.receiver` or `pat.pat` or `cond.cond`.
+- pub enum Expr #manual_extra_traits {
++ pub enum Expr {
+ /// A slice literal expression: `[a, b, c, d]`.
+ Array(ExprArray),
+
+@@ -228,7 +231,7 @@ ast_enum_of_structs! {
+ ast_struct! {
+ /// A slice literal expression: `[a, b, c, d]`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprArray #full {
+ pub attrs: Vec<Attribute>,
+ pub bracket_token: token::Bracket,
+@@ -239,7 +242,7 @@ ast_struct! {
+ ast_struct! {
+ /// An assignment expression: `a = compute()`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprAssign #full {
+ pub attrs: Vec<Attribute>,
+ pub left: Box<Expr>,
+@@ -251,7 +254,7 @@ ast_struct! {
+ ast_struct! {
+ /// A compound assignment expression: `counter += 1`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprAssignOp #full {
+ pub attrs: Vec<Attribute>,
+ pub left: Box<Expr>,
+@@ -263,7 +266,7 @@ ast_struct! {
+ ast_struct! {
+ /// An async block: `async { ... }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprAsync #full {
+ pub attrs: Vec<Attribute>,
+ pub async_token: Token![async],
+@@ -275,7 +278,7 @@ ast_struct! {
+ ast_struct! {
+ /// An await expression: `fut.await`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprAwait #full {
+ pub attrs: Vec<Attribute>,
+ pub base: Box<Expr>,
+@@ -287,7 +290,7 @@ ast_struct! {
+ ast_struct! {
+ /// A binary operation: `a + b`, `a * b`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct ExprBinary {
+ pub attrs: Vec<Attribute>,
+@@ -300,7 +303,7 @@ ast_struct! {
+ ast_struct! {
+ /// A blocked scope: `{ ... }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprBlock #full {
+ pub attrs: Vec<Attribute>,
+ pub label: Option<Label>,
+@@ -311,7 +314,7 @@ ast_struct! {
+ ast_struct! {
+ /// A box expression: `box f`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprBox #full {
+ pub attrs: Vec<Attribute>,
+ pub box_token: Token![box],
+@@ -323,7 +326,7 @@ ast_struct! {
+ /// A `break`, with an optional label to break and an optional
+ /// expression.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprBreak #full {
+ pub attrs: Vec<Attribute>,
+ pub break_token: Token![break],
+@@ -335,7 +338,7 @@ ast_struct! {
+ ast_struct! {
+ /// A function call expression: `invoke(a, b)`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct ExprCall {
+ pub attrs: Vec<Attribute>,
+@@ -348,7 +351,7 @@ ast_struct! {
+ ast_struct! {
+ /// A cast expression: `foo as f64`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct ExprCast {
+ pub attrs: Vec<Attribute>,
+@@ -361,7 +364,7 @@ ast_struct! {
+ ast_struct! {
+ /// A closure expression: `|a, b| a + b`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprClosure #full {
+ pub attrs: Vec<Attribute>,
+ pub asyncness: Option<Token![async]>,
+@@ -378,7 +381,7 @@ ast_struct! {
+ ast_struct! {
+ /// A `continue`, with an optional label.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprContinue #full {
+ pub attrs: Vec<Attribute>,
+ pub continue_token: Token![continue],
+@@ -390,7 +393,7 @@ ast_struct! {
+ /// Access of a named struct field (`obj.k`) or unnamed tuple struct
+ /// field (`obj.0`).
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprField {
+ pub attrs: Vec<Attribute>,
+ pub base: Box<Expr>,
+@@ -402,7 +405,7 @@ ast_struct! {
+ ast_struct! {
+ /// A for loop: `for pat in expr { ... }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprForLoop #full {
+ pub attrs: Vec<Attribute>,
+ pub label: Option<Label>,
+@@ -421,7 +424,7 @@ ast_struct! {
+ /// of expressions and is related to `None`-delimited spans in a
+ /// `TokenStream`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprGroup #full {
+ pub attrs: Vec<Attribute>,
+ pub group_token: token::Group,
+@@ -436,7 +439,7 @@ ast_struct! {
+ /// The `else` branch expression may only be an `If` or `Block`
+ /// expression, not any of the other types of expression.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprIf #full {
+ pub attrs: Vec<Attribute>,
+ pub if_token: Token![if],
+@@ -449,7 +452,7 @@ ast_struct! {
+ ast_struct! {
+ /// A square bracketed indexing expression: `vector[2]`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct ExprIndex {
+ pub attrs: Vec<Attribute>,
+@@ -462,7 +465,7 @@ ast_struct! {
+ ast_struct! {
+ /// A `let` guard: `let Some(x) = opt`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprLet #full {
+ pub attrs: Vec<Attribute>,
+ pub let_token: Token![let],
+@@ -475,7 +478,7 @@ ast_struct! {
+ ast_struct! {
+ /// A literal in place of an expression: `1`, `"foo"`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct ExprLit {
+ pub attrs: Vec<Attribute>,
+@@ -486,7 +489,7 @@ ast_struct! {
+ ast_struct! {
+ /// Conditionless loop: `loop { ... }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprLoop #full {
+ pub attrs: Vec<Attribute>,
+ pub label: Option<Label>,
+@@ -498,7 +501,7 @@ ast_struct! {
+ ast_struct! {
+ /// A macro invocation expression: `format!("{}", q)`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprMacro #full {
+ pub attrs: Vec<Attribute>,
+ pub mac: Macro,
+@@ -508,7 +511,7 @@ ast_struct! {
+ ast_struct! {
+ /// A `match` expression: `match n { Some(n) => {}, None => {} }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprMatch #full {
+ pub attrs: Vec<Attribute>,
+ pub match_token: Token![match],
+@@ -521,7 +524,7 @@ ast_struct! {
+ ast_struct! {
+ /// A method call expression: `x.foo::<T>(a, b)`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprMethodCall #full {
+ pub attrs: Vec<Attribute>,
+ pub receiver: Box<Expr>,
+@@ -536,7 +539,7 @@ ast_struct! {
+ ast_struct! {
+ /// A parenthesized expression: `(a + b)`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprParen {
+ pub attrs: Vec<Attribute>,
+ pub paren_token: token::Paren,
+@@ -550,7 +553,7 @@ ast_struct! {
+ ///
+ /// A plain identifier like `x` is a path of length 1.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct ExprPath {
+ pub attrs: Vec<Attribute>,
+@@ -562,7 +565,7 @@ ast_struct! {
+ ast_struct! {
+ /// A range expression: `1..2`, `1..`, `..2`, `1..=2`, `..=2`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprRange #full {
+ pub attrs: Vec<Attribute>,
+ pub from: Option<Box<Expr>>,
+@@ -574,7 +577,7 @@ ast_struct! {
+ ast_struct! {
+ /// A referencing operation: `&a` or `&mut a`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprReference #full {
+ pub attrs: Vec<Attribute>,
+ pub and_token: Token![&],
+@@ -587,7 +590,7 @@ ast_struct! {
+ ast_struct! {
+ /// An array literal constructed from one repeated element: `[0u8; N]`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprRepeat #full {
+ pub attrs: Vec<Attribute>,
+ pub bracket_token: token::Bracket,
+@@ -600,7 +603,7 @@ ast_struct! {
+ ast_struct! {
+ /// A `return`, with an optional value to be returned.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprReturn #full {
+ pub attrs: Vec<Attribute>,
+ pub return_token: Token![return],
+@@ -614,7 +617,7 @@ ast_struct! {
+ /// The `rest` provides the value of the remaining fields as in `S { a:
+ /// 1, b: 1, ..rest }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprStruct #full {
+ pub attrs: Vec<Attribute>,
+ pub path: Path,
+@@ -628,7 +631,7 @@ ast_struct! {
+ ast_struct! {
+ /// A try-expression: `expr?`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprTry #full {
+ pub attrs: Vec<Attribute>,
+ pub expr: Box<Expr>,
+@@ -639,7 +642,7 @@ ast_struct! {
+ ast_struct! {
+ /// A try block: `try { ... }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprTryBlock #full {
+ pub attrs: Vec<Attribute>,
+ pub try_token: Token![try],
+@@ -650,7 +653,7 @@ ast_struct! {
+ ast_struct! {
+ /// A tuple expression: `(a, b, c, d)`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprTuple #full {
+ pub attrs: Vec<Attribute>,
+ pub paren_token: token::Paren,
+@@ -661,7 +664,7 @@ ast_struct! {
+ ast_struct! {
+ /// A type ascription expression: `foo: f64`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprType #full {
+ pub attrs: Vec<Attribute>,
+ pub expr: Box<Expr>,
+@@ -673,7 +676,7 @@ ast_struct! {
+ ast_struct! {
+ /// A unary operation: `!x`, `*x`.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or
++ /// *This type is available only if Syn is built with the `"derive"` or
+ /// `"full"` feature.*
+ pub struct ExprUnary {
+ pub attrs: Vec<Attribute>,
+@@ -685,7 +688,7 @@ ast_struct! {
+ ast_struct! {
+ /// An unsafe block: `unsafe { ... }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprUnsafe #full {
+ pub attrs: Vec<Attribute>,
+ pub unsafe_token: Token![unsafe],
+@@ -696,7 +699,7 @@ ast_struct! {
+ ast_struct! {
+ /// A while loop: `while expr { ... }`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprWhile #full {
+ pub attrs: Vec<Attribute>,
+ pub label: Option<Label>,
+@@ -709,7 +712,7 @@ ast_struct! {
+ ast_struct! {
+ /// A yield expression: `yield expr`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct ExprYield #full {
+ pub attrs: Vec<Attribute>,
+ pub yield_token: Token![yield],
+@@ -717,232 +720,6 @@ ast_struct! {
+ }
+ }
+
+-#[cfg(feature = "extra-traits")]
+-impl Eq for Expr {}
+-
+-#[cfg(feature = "extra-traits")]
+-impl PartialEq for Expr {
+- fn eq(&self, other: &Self) -> bool {
+- match (self, other) {
+- (Expr::Array(this), Expr::Array(other)) => this == other,
+- (Expr::Assign(this), Expr::Assign(other)) => this == other,
+- (Expr::AssignOp(this), Expr::AssignOp(other)) => this == other,
+- (Expr::Async(this), Expr::Async(other)) => this == other,
+- (Expr::Await(this), Expr::Await(other)) => this == other,
+- (Expr::Binary(this), Expr::Binary(other)) => this == other,
+- (Expr::Block(this), Expr::Block(other)) => this == other,
+- (Expr::Box(this), Expr::Box(other)) => this == other,
+- (Expr::Break(this), Expr::Break(other)) => this == other,
+- (Expr::Call(this), Expr::Call(other)) => this == other,
+- (Expr::Cast(this), Expr::Cast(other)) => this == other,
+- (Expr::Closure(this), Expr::Closure(other)) => this == other,
+- (Expr::Continue(this), Expr::Continue(other)) => this == other,
+- (Expr::Field(this), Expr::Field(other)) => this == other,
+- (Expr::ForLoop(this), Expr::ForLoop(other)) => this == other,
+- (Expr::Group(this), Expr::Group(other)) => this == other,
+- (Expr::If(this), Expr::If(other)) => this == other,
+- (Expr::Index(this), Expr::Index(other)) => this == other,
+- (Expr::Let(this), Expr::Let(other)) => this == other,
+- (Expr::Lit(this), Expr::Lit(other)) => this == other,
+- (Expr::Loop(this), Expr::Loop(other)) => this == other,
+- (Expr::Macro(this), Expr::Macro(other)) => this == other,
+- (Expr::Match(this), Expr::Match(other)) => this == other,
+- (Expr::MethodCall(this), Expr::MethodCall(other)) => this == other,
+- (Expr::Paren(this), Expr::Paren(other)) => this == other,
+- (Expr::Path(this), Expr::Path(other)) => this == other,
+- (Expr::Range(this), Expr::Range(other)) => this == other,
+- (Expr::Reference(this), Expr::Reference(other)) => this == other,
+- (Expr::Repeat(this), Expr::Repeat(other)) => this == other,
+- (Expr::Return(this), Expr::Return(other)) => this == other,
+- (Expr::Struct(this), Expr::Struct(other)) => this == other,
+- (Expr::Try(this), Expr::Try(other)) => this == other,
+- (Expr::TryBlock(this), Expr::TryBlock(other)) => this == other,
+- (Expr::Tuple(this), Expr::Tuple(other)) => this == other,
+- (Expr::Type(this), Expr::Type(other)) => this == other,
+- (Expr::Unary(this), Expr::Unary(other)) => this == other,
+- (Expr::Unsafe(this), Expr::Unsafe(other)) => this == other,
+- (Expr::Verbatim(this), Expr::Verbatim(other)) => {
+- TokenStreamHelper(this) == TokenStreamHelper(other)
+- }
+- (Expr::While(this), Expr::While(other)) => this == other,
+- (Expr::Yield(this), Expr::Yield(other)) => this == other,
+- _ => false,
+- }
+- }
+-}
+-
+-#[cfg(feature = "extra-traits")]
+-impl Hash for Expr {
+- fn hash<H>(&self, hash: &mut H)
+- where
+- H: Hasher,
+- {
+- match self {
+- Expr::Array(expr) => {
+- hash.write_u8(0);
+- expr.hash(hash);
+- }
+- Expr::Assign(expr) => {
+- hash.write_u8(1);
+- expr.hash(hash);
+- }
+- Expr::AssignOp(expr) => {
+- hash.write_u8(2);
+- expr.hash(hash);
+- }
+- Expr::Async(expr) => {
+- hash.write_u8(3);
+- expr.hash(hash);
+- }
+- Expr::Await(expr) => {
+- hash.write_u8(4);
+- expr.hash(hash);
+- }
+- Expr::Binary(expr) => {
+- hash.write_u8(5);
+- expr.hash(hash);
+- }
+- Expr::Block(expr) => {
+- hash.write_u8(6);
+- expr.hash(hash);
+- }
+- Expr::Box(expr) => {
+- hash.write_u8(7);
+- expr.hash(hash);
+- }
+- Expr::Break(expr) => {
+- hash.write_u8(8);
+- expr.hash(hash);
+- }
+- Expr::Call(expr) => {
+- hash.write_u8(9);
+- expr.hash(hash);
+- }
+- Expr::Cast(expr) => {
+- hash.write_u8(10);
+- expr.hash(hash);
+- }
+- Expr::Closure(expr) => {
+- hash.write_u8(11);
+- expr.hash(hash);
+- }
+- Expr::Continue(expr) => {
+- hash.write_u8(12);
+- expr.hash(hash);
+- }
+- Expr::Field(expr) => {
+- hash.write_u8(13);
+- expr.hash(hash);
+- }
+- Expr::ForLoop(expr) => {
+- hash.write_u8(14);
+- expr.hash(hash);
+- }
+- Expr::Group(expr) => {
+- hash.write_u8(15);
+- expr.hash(hash);
+- }
+- Expr::If(expr) => {
+- hash.write_u8(16);
+- expr.hash(hash);
+- }
+- Expr::Index(expr) => {
+- hash.write_u8(17);
+- expr.hash(hash);
+- }
+- Expr::Let(expr) => {
+- hash.write_u8(18);
+- expr.hash(hash);
+- }
+- Expr::Lit(expr) => {
+- hash.write_u8(19);
+- expr.hash(hash);
+- }
+- Expr::Loop(expr) => {
+- hash.write_u8(20);
+- expr.hash(hash);
+- }
+- Expr::Macro(expr) => {
+- hash.write_u8(21);
+- expr.hash(hash);
+- }
+- Expr::Match(expr) => {
+- hash.write_u8(22);
+- expr.hash(hash);
+- }
+- Expr::MethodCall(expr) => {
+- hash.write_u8(23);
+- expr.hash(hash);
+- }
+- Expr::Paren(expr) => {
+- hash.write_u8(24);
+- expr.hash(hash);
+- }
+- Expr::Path(expr) => {
+- hash.write_u8(25);
+- expr.hash(hash);
+- }
+- Expr::Range(expr) => {
+- hash.write_u8(26);
+- expr.hash(hash);
+- }
+- Expr::Reference(expr) => {
+- hash.write_u8(27);
+- expr.hash(hash);
+- }
+- Expr::Repeat(expr) => {
+- hash.write_u8(28);
+- expr.hash(hash);
+- }
+- Expr::Return(expr) => {
+- hash.write_u8(29);
+- expr.hash(hash);
+- }
+- Expr::Struct(expr) => {
+- hash.write_u8(30);
+- expr.hash(hash);
+- }
+- Expr::Try(expr) => {
+- hash.write_u8(31);
+- expr.hash(hash);
+- }
+- Expr::TryBlock(expr) => {
+- hash.write_u8(32);
+- expr.hash(hash);
+- }
+- Expr::Tuple(expr) => {
+- hash.write_u8(33);
+- expr.hash(hash);
+- }
+- Expr::Type(expr) => {
+- hash.write_u8(34);
+- expr.hash(hash);
+- }
+- Expr::Unary(expr) => {
+- hash.write_u8(35);
+- expr.hash(hash);
+- }
+- Expr::Unsafe(expr) => {
+- hash.write_u8(36);
+- expr.hash(hash);
+- }
+- Expr::Verbatim(expr) => {
+- hash.write_u8(37);
+- TokenStreamHelper(expr).hash(hash);
+- }
+- Expr::While(expr) => {
+- hash.write_u8(38);
+- expr.hash(hash);
+- }
+- Expr::Yield(expr) => {
+- hash.write_u8(39);
+- expr.hash(hash);
+- }
+- Expr::__Nonexhaustive => unreachable!(),
+- }
+- }
+-}
+-
+ impl Expr {
+ #[cfg(all(feature = "parsing", feature = "full"))]
+ pub(crate) fn replace_attrs(&mut self, new: Vec<Attribute>) -> Vec<Attribute> {
+@@ -996,7 +773,7 @@ ast_enum! {
+ /// A struct or tuple struct field accessed in a struct literal or field
+ /// expression.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+ pub enum Member {
+ /// A named field like `self.x`.
+@@ -1006,12 +783,50 @@ ast_enum! {
+ }
+ }
+
++impl Eq for Member {}
++
++impl PartialEq for Member {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Member::Named(this), Member::Named(other)) => this == other,
++ (Member::Unnamed(this), Member::Unnamed(other)) => this == other,
++ _ => false,
++ }
++ }
++}
++
++impl Hash for Member {
++ fn hash<H: Hasher>(&self, state: &mut H) {
++ match self {
++ Member::Named(m) => m.hash(state),
++ Member::Unnamed(m) => m.hash(state),
++ }
++ }
++}
++
++#[cfg(feature = "printing")]
++impl IdentFragment for Member {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Member::Named(m) => Display::fmt(m, formatter),
++ Member::Unnamed(m) => Display::fmt(&m.index, formatter),
++ }
++ }
++
++ fn span(&self) -> Option<Span> {
++ match self {
++ Member::Named(m) => Some(m.span()),
++ Member::Unnamed(m) => Some(m.span),
++ }
++ }
++}
++
+ ast_struct! {
+ /// The index of an unnamed tuple struct field.
+ ///
+- /// *This type is available if Syn is built with the `"derive"` or `"full"`
++ /// *This type is available only if Syn is built with the `"derive"` or `"full"`
+ /// feature.*
+- pub struct Index #manual_extra_traits {
++ pub struct Index {
+ pub index: u32,
+ pub span: Span,
+ }
+@@ -1027,28 +842,28 @@ impl From<usize> for Index {
+ }
+ }
+
+-#[cfg(feature = "extra-traits")]
+ impl Eq for Index {}
+
+-#[cfg(feature = "extra-traits")]
+ impl PartialEq for Index {
+ fn eq(&self, other: &Self) -> bool {
+ self.index == other.index
+ }
+ }
+
+-#[cfg(feature = "extra-traits")]
+ impl Hash for Index {
+ fn hash<H: Hasher>(&self, state: &mut H) {
+ self.index.hash(state);
+ }
+ }
+
+-#[cfg(feature = "full")]
+-ast_struct! {
+- #[derive(Default)]
+- pub struct Reserved {
+- private: (),
++#[cfg(feature = "printing")]
++impl IdentFragment for Index {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ Display::fmt(&self.index, formatter)
++ }
++
++ fn span(&self) -> Option<Span> {
++ Some(self.span)
+ }
+ }
+
+@@ -1057,7 +872,7 @@ ast_struct! {
+ /// The `::<>` explicit type parameters passed to a method call:
+ /// `parse::<u64>()`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct MethodTurbofish {
+ pub colon2_token: Token![::],
+ pub lt_token: Token![<],
+@@ -1070,7 +885,7 @@ ast_struct! {
+ ast_enum! {
+ /// An individual generic argument to a method, like `T`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub enum GenericMethodArgument {
+ /// A type argument.
+ Type(Type),
+@@ -1086,7 +901,7 @@ ast_enum! {
+ ast_struct! {
+ /// A field-value pair in a struct literal.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct FieldValue {
+ /// Attributes tagged on the field.
+ pub attrs: Vec<Attribute>,
+@@ -1107,7 +922,7 @@ ast_struct! {
+ ast_struct! {
+ /// A lifetime labeling a `for`, `while`, or `loop`.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct Label {
+ pub name: Lifetime,
+ pub colon_token: Token![:],
+@@ -1134,7 +949,7 @@ ast_struct! {
+ /// # }
+ /// ```
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub struct Arm {
+ pub attrs: Vec<Attribute>,
+ pub pat: Pat,
+@@ -1149,8 +964,7 @@ ast_struct! {
+ ast_enum! {
+ /// Limit types of a range, inclusive or exclusive.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
+- #[cfg_attr(feature = "clone-impls", derive(Copy))]
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ pub enum RangeLimits {
+ /// Inclusive at the beginning, exclusive at the end.
+ HalfOpen(Token![..]),
+@@ -1162,7 +976,7 @@ ast_enum! {
+ #[cfg(any(feature = "parsing", feature = "printing"))]
+ #[cfg(feature = "full")]
+ pub(crate) fn requires_terminator(expr: &Expr) -> bool {
+- // see https://github.com/rust-lang/rust/blob/eb8f2586e/src/libsyntax/parse/classify.rs#L17-L37
++ // see https://github.com/rust-lang/rust/blob/2679c38fc/src/librustc_ast/util/classify.rs#L7-L25
+ match *expr {
+ Expr::Unsafe(..)
+ | Expr::Block(..)
+@@ -1183,16 +997,17 @@ pub(crate) mod parsing {
+
+ use crate::parse::{Parse, ParseStream, Result};
+ use crate::path;
++ use std::cmp::Ordering;
++
++ crate::custom_keyword!(raw);
+
+ // When we're parsing expressions which occur before blocks, like in an if
+ // statement's condition, we cannot parse a struct literal.
+ //
+ // Struct literals are ambiguous in certain positions
+ // https://github.com/rust-lang/rfcs/pull/92
+- #[derive(Copy, Clone)]
+ pub struct AllowStruct(bool);
+
+- #[derive(Copy, Clone, PartialEq, PartialOrd)]
+ enum Precedence {
+ Any,
+ Assign,
+@@ -1246,9 +1061,121 @@ pub(crate) mod parsing {
+ }
+ }
+
+- #[cfg(feature = "full")]
+- fn expr_no_struct(input: ParseStream) -> Result<Expr> {
+- ambiguous_expr(input, AllowStruct(false))
++ impl Expr {
++ /// An alternative to the primary `Expr::parse` parser (from the
++ /// [`Parse`] trait) for ambiguous syntactic positions in which a
++ /// trailing brace should not be taken as part of the expression.
++ ///
++ /// Rust grammar has an ambiguity where braces sometimes turn a path
++ /// expression into a struct initialization and sometimes do not. In the
++ /// following code, the expression `S {}` is one expression. Presumably
++ /// there is an empty struct `struct S {}` defined somewhere which it is
++ /// instantiating.
++ ///
++ /// ```
++ /// # struct S;
++ /// # impl std::ops::Deref for S {
++ /// # type Target = bool;
++ /// # fn deref(&self) -> &Self::Target {
++ /// # &true
++ /// # }
++ /// # }
++ /// let _ = *S {};
++ ///
++ /// // parsed by rustc as: `*(S {})`
++ /// ```
++ ///
++ /// We would want to parse the above using `Expr::parse` after the `=`
++ /// token.
++ ///
++ /// But in the following, `S {}` is *not* a struct init expression.
++ ///
++ /// ```
++ /// # const S: &bool = &true;
++ /// if *S {} {}
++ ///
++ /// // parsed by rustc as:
++ /// //
++ /// // if (*S) {
++ /// // /* empty block */
++ /// // }
++ /// // {
++ /// // /* another empty block */
++ /// // }
++ /// ```
++ ///
++ /// For that reason we would want to parse if-conditions using
++ /// `Expr::parse_without_eager_brace` after the `if` token. Same for
++ /// similar syntactic positions such as the condition expr after a
++ /// `while` token or the expr at the top of a `match`.
++ ///
++ /// The Rust grammar's choices around which way this ambiguity is
++ /// resolved at various syntactic positions is fairly arbitrary. Really
++ /// either parse behavior could work in most positions, and language
++ /// designers just decide each case based on which is more likely to be
++ /// what the programmer had in mind most of the time.
++ ///
++ /// ```
++ /// # struct S;
++ /// # fn doc() -> S {
++ /// if return S {} {}
++ /// # unreachable!()
++ /// # }
++ ///
++ /// // parsed by rustc as:
++ /// //
++ /// // if (return (S {})) {
++ /// // }
++ /// //
++ /// // but could equally well have been this other arbitrary choice:
++ /// //
++ /// // if (return S) {
++ /// // }
++ /// // {}
++ /// ```
++ ///
++ /// Note the grammar ambiguity on trailing braces is distinct from
++ /// precedence and is not captured by assigning a precedence level to
++ /// the braced struct init expr in relation to other operators. This can
++ /// be illustrated by `return 0..S {}` vs `match 0..S {}`. The former
++ /// parses as `return (0..(S {}))` implying tighter precedence for
++ /// struct init than `..`, while the latter parses as `match (0..S) {}`
++ /// implying tighter precedence for `..` than struct init, a
++ /// contradiction.
++ #[cfg(feature = "full")]
++ pub fn parse_without_eager_brace(input: ParseStream) -> Result<Expr> {
++ ambiguous_expr(input, AllowStruct(false))
++ }
++ }
++
++ impl Copy for AllowStruct {}
++
++ impl Clone for AllowStruct {
++ fn clone(&self) -> Self {
++ *self
++ }
++ }
++
++ impl Copy for Precedence {}
++
++ impl Clone for Precedence {
++ fn clone(&self) -> Self {
++ *self
++ }
++ }
++
++ impl PartialEq for Precedence {
++ fn eq(&self, other: &Self) -> bool {
++ *self as u8 == *other as u8
++ }
++ }
++
++ impl PartialOrd for Precedence {
++ fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
++ let this = *self as u8;
++ let other = *other as u8;
++ Some(this.cmp(&other))
++ }
+ }
+
+ #[cfg(feature = "full")]
+@@ -1430,56 +1357,84 @@ pub(crate) mod parsing {
+ parse_expr(input, lhs, allow_struct, Precedence::Any)
+ }
+
++ #[cfg(feature = "full")]
++ fn expr_attrs(input: ParseStream) -> Result<Vec<Attribute>> {
++ let mut attrs = Vec::new();
++ loop {
++ if input.peek(token::Group) {
++ let ahead = input.fork();
++ let group = crate::group::parse_group(&ahead)?;
++ if !group.content.peek(Token![#]) || group.content.peek2(Token![!]) {
++ break;
++ }
++ let attr = group.content.call(attr::parsing::single_parse_outer)?;
++ if !group.content.is_empty() {
++ break;
++ }
++ attrs.push(attr);
++ } else if input.peek(Token![#]) {
++ attrs.push(input.call(attr::parsing::single_parse_outer)?);
++ } else {
++ break;
++ }
++ }
++ Ok(attrs)
++ }
++
+ // <UnOp> <trailer>
+ // & <trailer>
+ // &mut <trailer>
+ // box <trailer>
+ #[cfg(feature = "full")]
+ fn unary_expr(input: ParseStream, allow_struct: AllowStruct) -> Result<Expr> {
+- // TODO: optimize using advance_to
+- let ahead = input.fork();
+- ahead.call(Attribute::parse_outer)?;
+- if ahead.peek(Token![&])
+- || ahead.peek(Token![box])
+- || ahead.peek(Token![*])
+- || ahead.peek(Token![!])
+- || ahead.peek(Token![-])
+- {
+- let attrs = input.call(Attribute::parse_outer)?;
+- if input.peek(Token![&]) {
++ let begin = input.fork();
++ let attrs = input.call(expr_attrs)?;
++ if input.peek(Token![&]) {
++ let and_token: Token![&] = input.parse()?;
++ let raw: Option<raw> =
++ if input.peek(raw) && (input.peek2(Token![mut]) || input.peek2(Token![const])) {
++ Some(input.parse()?)
++ } else {
++ None
++ };
++ let mutability: Option<Token![mut]> = input.parse()?;
++ if raw.is_some() && mutability.is_none() {
++ input.parse::<Token![const]>()?;
++ }
++ let expr = Box::new(unary_expr(input, allow_struct)?);
++ if raw.is_some() {
++ Ok(Expr::Verbatim(verbatim::between(begin, input)))
++ } else {
+ Ok(Expr::Reference(ExprReference {
+ attrs,
+- and_token: input.parse()?,
++ and_token,
+ raw: Reserved::default(),
+- mutability: input.parse()?,
+- expr: Box::new(unary_expr(input, allow_struct)?),
+- }))
+- } else if input.peek(Token![box]) {
+- Ok(Expr::Box(ExprBox {
+- attrs,
+- box_token: input.parse()?,
+- expr: Box::new(unary_expr(input, allow_struct)?),
+- }))
+- } else {
+- Ok(Expr::Unary(ExprUnary {
+- attrs,
+- op: input.parse()?,
+- expr: Box::new(unary_expr(input, allow_struct)?),
++ mutability,
++ expr,
+ }))
+ }
++ } else if input.peek(Token![box]) {
++ Ok(Expr::Box(ExprBox {
++ attrs,
++ box_token: input.parse()?,
++ expr: Box::new(unary_expr(input, allow_struct)?),
++ }))
++ } else if input.peek(Token![*]) || input.peek(Token![!]) || input.peek(Token![-]) {
++ Ok(Expr::Unary(ExprUnary {
++ attrs,
++ op: input.parse()?,
++ expr: Box::new(unary_expr(input, allow_struct)?),
++ }))
+ } else {
+- trailer_expr(input, allow_struct)
++ trailer_expr(attrs, input, allow_struct)
+ }
+ }
+
+ #[cfg(not(feature = "full"))]
+ fn unary_expr(input: ParseStream, allow_struct: AllowStruct) -> Result<Expr> {
+- // TODO: optimize using advance_to
+- let ahead = input.fork();
+- ahead.call(Attribute::parse_outer)?;
+- if ahead.peek(Token![*]) || ahead.peek(Token![!]) || ahead.peek(Token![-]) {
++ if input.peek(Token![*]) || input.peek(Token![!]) || input.peek(Token![-]) {
+ Ok(Expr::Unary(ExprUnary {
+- attrs: input.call(Attribute::parse_outer)?,
++ attrs: Vec::new(),
+ op: input.parse()?,
+ expr: Box::new(unary_expr(input, allow_struct)?),
+ }))
+@@ -1495,13 +1450,11 @@ pub(crate) mod parsing {
+ // <atom> [ <expr> ] ...
+ // <atom> ? ...
+ #[cfg(feature = "full")]
+- fn trailer_expr(input: ParseStream, allow_struct: AllowStruct) -> Result<Expr> {
+- if input.peek(token::Group) {
+- return input.call(expr_group).map(Expr::Group);
+- }
+-
+- let outer_attrs = input.call(Attribute::parse_outer)?;
+-
++ fn trailer_expr(
++ outer_attrs: Vec<Attribute>,
++ input: ParseStream,
++ allow_struct: AllowStruct,
++ ) -> Result<Expr> {
+ let atom = atom_expr(input, allow_struct)?;
+ let mut e = trailer_helper(input, atom)?;
+
+@@ -1523,18 +1476,26 @@ pub(crate) mod parsing {
+ args: content.parse_terminated(Expr::parse)?,
+ });
+ } else if input.peek(Token![.]) && !input.peek(Token![..]) {
+- let dot_token: Token![.] = input.parse()?;
++ let mut dot_token: Token![.] = input.parse()?;
+
+- if input.peek(token::Await) {
++ let await_token: Option<token::Await> = input.parse()?;
++ if let Some(await_token) = await_token {
+ e = Expr::Await(ExprAwait {
+ attrs: Vec::new(),
+ base: Box::new(e),
+ dot_token,
+- await_token: input.parse()?,
++ await_token,
+ });
+ continue;
+ }
+
++ let float_token: Option<LitFloat> = input.parse()?;
++ if let Some(float_token) = float_token {
++ if multi_index(&mut e, &mut dot_token, float_token)? {
++ continue;
++ }
++ }
++
+ let member: Member = input.parse()?;
+ let turbofish = if member.is_named() && input.peek(Token![::]) {
+ Some(MethodTurbofish {
+@@ -1620,10 +1581,17 @@ pub(crate) mod parsing {
+ });
+ } else if input.peek(Token![.]) && !input.peek(Token![..]) && !input.peek2(token::Await)
+ {
++ let mut dot_token: Token![.] = input.parse()?;
++ let float_token: Option<LitFloat> = input.parse()?;
++ if let Some(float_token) = float_token {
++ if multi_index(&mut e, &mut dot_token, float_token)? {
++ continue;
++ }
++ }
+ e = Expr::Field(ExprField {
+ attrs: Vec::new(),
+ base: Box::new(e),
+- dot_token: input.parse()?,
++ dot_token,
+ member: input.parse()?,
+ });
+ } else if input.peek(token::Bracket) {
+@@ -1646,7 +1614,11 @@ pub(crate) mod parsing {
+ // interactions, as they are fully contained.
+ #[cfg(feature = "full")]
+ fn atom_expr(input: ParseStream, allow_struct: AllowStruct) -> Result<Expr> {
+- if input.peek(token::Group) {
++ if input.peek(token::Group)
++ && !input.peek2(Token![::])
++ && !input.peek2(Token![!])
++ && !input.peek2(token::Brace)
++ {
+ input.call(expr_group).map(Expr::Group)
+ } else if input.peek(Lit) {
+ input.parse().map(Expr::Lit)
+@@ -1668,7 +1640,6 @@ pub(crate) mod parsing {
+ || input.peek(Token![self])
+ || input.peek(Token![Self])
+ || input.peek(Token![super])
+- || input.peek(Token![extern])
+ || input.peek(Token![crate])
+ {
+ path_or_macro_or_struct(input, allow_struct)
+@@ -1740,7 +1711,6 @@ pub(crate) mod parsing {
+ || input.peek(Token![self])
+ || input.peek(Token![Self])
+ || input.peek(Token![super])
+- || input.peek(Token![extern])
+ || input.peek(Token![crate])
+ {
+ input.parse().map(Expr::Path)
+@@ -1878,7 +1848,7 @@ pub(crate) mod parsing {
+
+ #[cfg(feature = "full")]
+ pub(crate) fn expr_early(input: ParseStream) -> Result<Expr> {
+- let mut attrs = input.call(Attribute::parse_outer)?;
++ let mut attrs = input.call(expr_attrs)?;
+ let mut expr = if input.peek(Token![if]) {
+ Expr::If(input.parse()?)
+ } else if input.peek(Token![while]) {
+@@ -1905,7 +1875,7 @@ pub(crate) mod parsing {
+ return parse_expr(input, expr, allow_struct, Precedence::Any);
+ };
+
+- if input.peek(Token![.]) || input.peek(Token![?]) {
++ if input.peek(Token![.]) && !input.peek(Token![..]) || input.peek(Token![?]) {
+ expr = trailer_helper(input, expr)?;
+
+ attrs.extend(expr.replace_attrs(Vec::new()));
+@@ -1951,7 +1921,16 @@ pub(crate) mod parsing {
+
+ #[cfg(feature = "full")]
+ fn generic_method_argument(input: ParseStream) -> Result<GenericMethodArgument> {
+- // TODO parse const generics as well
++ if input.peek(Lit) {
++ let lit = input.parse()?;
++ return Ok(GenericMethodArgument::Const(Expr::Lit(lit)));
++ }
++
++ if input.peek(token::Brace) {
++ let block = input.call(expr::parsing::expr_block)?;
++ return Ok(GenericMethodArgument::Const(Expr::Block(block)));
++ }
++
+ input.parse().map(GenericMethodArgument::Type)
+ }
+
+@@ -1960,44 +1939,20 @@ pub(crate) mod parsing {
+ Ok(ExprLet {
+ attrs: Vec::new(),
+ let_token: input.parse()?,
+- pat: {
+- let leading_vert: Option<Token![|]> = input.parse()?;
+- let pat: Pat = input.parse()?;
+- if leading_vert.is_some()
+- || input.peek(Token![|]) && !input.peek(Token![||]) && !input.peek(Token![|=])
+- {
+- let mut cases = Punctuated::new();
+- cases.push_value(pat);
+- while input.peek(Token![|])
+- && !input.peek(Token![||])
+- && !input.peek(Token![|=])
+- {
+- let punct = input.parse()?;
+- cases.push_punct(punct);
+- let pat: Pat = input.parse()?;
+- cases.push_value(pat);
+- }
+- Pat::Or(PatOr {
+- attrs: Vec::new(),
+- leading_vert,
+- cases,
+- })
+- } else {
+- pat
+- }
+- },
++ pat: pat::parsing::multi_pat_with_leading_vert(input)?,
+ eq_token: input.parse()?,
+- expr: Box::new(input.call(expr_no_struct)?),
++ expr: Box::new(input.call(Expr::parse_without_eager_brace)?),
+ })
+ }
+
+ #[cfg(feature = "full")]
+ impl Parse for ExprIf {
+ fn parse(input: ParseStream) -> Result<Self> {
++ let attrs = input.call(Attribute::parse_outer)?;
+ Ok(ExprIf {
+- attrs: Vec::new(),
++ attrs,
+ if_token: input.parse()?,
+- cond: Box::new(input.call(expr_no_struct)?),
++ cond: Box::new(input.call(Expr::parse_without_eager_brace)?),
+ then_branch: input.parse()?,
+ else_branch: {
+ if input.peek(Token![else]) {
+@@ -2033,29 +1988,14 @@ pub(crate) mod parsing {
+ #[cfg(feature = "full")]
+ impl Parse for ExprForLoop {
+ fn parse(input: ParseStream) -> Result<Self> {
++ let outer_attrs = input.call(Attribute::parse_outer)?;
+ let label: Option<Label> = input.parse()?;
+ let for_token: Token![for] = input.parse()?;
+
+- let leading_vert: Option<Token![|]> = input.parse()?;
+- let mut pat: Pat = input.parse()?;
+- if leading_vert.is_some() || input.peek(Token![|]) {
+- let mut cases = Punctuated::new();
+- cases.push_value(pat);
+- while input.peek(Token![|]) {
+- let punct = input.parse()?;
+- cases.push_punct(punct);
+- let pat: Pat = input.parse()?;
+- cases.push_value(pat);
+- }
+- pat = Pat::Or(PatOr {
+- attrs: Vec::new(),
+- leading_vert,
+- cases,
+- });
+- }
++ let pat = pat::parsing::multi_pat_with_leading_vert(input)?;
+
+ let in_token: Token![in] = input.parse()?;
+- let expr: Expr = input.call(expr_no_struct)?;
++ let expr: Expr = input.call(Expr::parse_without_eager_brace)?;
+
+ let content;
+ let brace_token = braced!(content in input);
+@@ -2063,7 +2003,7 @@ pub(crate) mod parsing {
+ let stmts = content.call(Block::parse_within)?;
+
+ Ok(ExprForLoop {
+- attrs: inner_attrs,
++ attrs: private::attrs(outer_attrs, inner_attrs),
+ label,
+ for_token,
+ pat,
+@@ -2077,6 +2017,7 @@ pub(crate) mod parsing {
+ #[cfg(feature = "full")]
+ impl Parse for ExprLoop {
+ fn parse(input: ParseStream) -> Result<Self> {
++ let outer_attrs = input.call(Attribute::parse_outer)?;
+ let label: Option<Label> = input.parse()?;
+ let loop_token: Token![loop] = input.parse()?;
+
+@@ -2086,7 +2027,7 @@ pub(crate) mod parsing {
+ let stmts = content.call(Block::parse_within)?;
+
+ Ok(ExprLoop {
+- attrs: inner_attrs,
++ attrs: private::attrs(outer_attrs, inner_attrs),
+ label,
+ loop_token,
+ body: Block { brace_token, stmts },
+@@ -2097,8 +2038,9 @@ pub(crate) mod parsing {
+ #[cfg(feature = "full")]
+ impl Parse for ExprMatch {
+ fn parse(input: ParseStream) -> Result<Self> {
++ let outer_attrs = input.call(Attribute::parse_outer)?;
+ let match_token: Token![match] = input.parse()?;
+- let expr = expr_no_struct(input)?;
++ let expr = Expr::parse_without_eager_brace(input)?;
+
+ let content;
+ let brace_token = braced!(content in input);
+@@ -2110,7 +2052,7 @@ pub(crate) mod parsing {
+ }
+
+ Ok(ExprMatch {
+- attrs: inner_attrs,
++ attrs: private::attrs(outer_attrs, inner_attrs),
+ match_token,
+ expr: Box::new(expr),
+ brace_token,
+@@ -2305,9 +2247,10 @@ pub(crate) mod parsing {
+ #[cfg(feature = "full")]
+ impl Parse for ExprWhile {
+ fn parse(input: ParseStream) -> Result<Self> {
++ let outer_attrs = input.call(Attribute::parse_outer)?;
+ let label: Option<Label> = input.parse()?;
+ let while_token: Token![while] = input.parse()?;
+- let cond = expr_no_struct(input)?;
++ let cond = Expr::parse_without_eager_brace(input)?;
+
+ let content;
+ let brace_token = braced!(content in input);
+@@ -2315,7 +2258,7 @@ pub(crate) mod parsing {
+ let stmts = content.call(Block::parse_within)?;
+
+ Ok(ExprWhile {
+- attrs: inner_attrs,
++ attrs: private::attrs(outer_attrs, inner_attrs),
+ label,
+ while_token,
+ cond: Box::new(cond),
+@@ -2399,6 +2342,7 @@ pub(crate) mod parsing {
+ #[cfg(feature = "full")]
+ impl Parse for FieldValue {
+ fn parse(input: ParseStream) -> Result<Self> {
++ let attrs = input.call(Attribute::parse_outer)?;
+ let member: Member = input.parse()?;
+ let (colon_token, value) = if input.peek(Token![:]) || !member.is_named() {
+ let colon_token: Token![:] = input.parse()?;
+@@ -2416,7 +2360,7 @@ pub(crate) mod parsing {
+ };
+
+ Ok(FieldValue {
+- attrs: Vec::new(),
++ attrs,
+ member,
+ colon_token,
+ expr: value,
+@@ -2433,46 +2377,36 @@ pub(crate) mod parsing {
+ let content;
+ let brace_token = braced!(content in input);
+ let inner_attrs = content.call(Attribute::parse_inner)?;
++ let attrs = private::attrs(outer_attrs, inner_attrs);
+
+ let mut fields = Punctuated::new();
+- loop {
+- let attrs = content.call(Attribute::parse_outer)?;
+- // TODO: optimize using advance_to
+- if content.fork().parse::<Member>().is_err() {
+- if attrs.is_empty() {
+- break;
+- } else {
+- return Err(content.error("expected struct field"));
+- }
++ while !content.is_empty() {
++ if content.peek(Token![..]) {
++ return Ok(ExprStruct {
++ attrs,
++ brace_token,
++ path,
++ fields,
++ dot2_token: Some(content.parse()?),
++ rest: Some(Box::new(content.parse()?)),
++ });
+ }
+
+- fields.push(FieldValue {
+- attrs,
+- ..content.parse()?
+- });
+-
+- if !content.peek(Token![,]) {
++ fields.push(content.parse()?);
++ if content.is_empty() {
+ break;
+ }
+ let punct: Token![,] = content.parse()?;
+ fields.push_punct(punct);
+ }
+
+- let (dot2_token, rest) = if fields.empty_or_trailing() && content.peek(Token![..]) {
+- let dot2_token: Token![..] = content.parse()?;
+- let rest: Expr = content.parse()?;
+- (Some(dot2_token), Some(Box::new(rest)))
+- } else {
+- (None, None)
+- };
+-
+ Ok(ExprStruct {
+- attrs: private::attrs(outer_attrs, inner_attrs),
++ attrs,
+ brace_token,
+ path,
+ fields,
+- dot2_token,
+- rest,
++ dot2_token: None,
++ rest: None,
+ })
+ }
+
+@@ -2577,27 +2511,7 @@ pub(crate) mod parsing {
+ let requires_comma;
+ Ok(Arm {
+ attrs: input.call(Attribute::parse_outer)?,
+- pat: {
+- let leading_vert: Option<Token![|]> = input.parse()?;
+- let pat: Pat = input.parse()?;
+- if leading_vert.is_some() || input.peek(Token![|]) {
+- let mut cases = Punctuated::new();
+- cases.push_value(pat);
+- while input.peek(Token![|]) {
+- let punct = input.parse()?;
+- cases.push_punct(punct);
+- let pat: Pat = input.parse()?;
+- cases.push_value(pat);
+- }
+- Pat::Or(PatOr {
+- attrs: Vec::new(),
+- leading_vert,
+- cases,
+- })
+- } else {
+- pat
+- }
+- },
++ pat: pat::parsing::multi_pat_with_leading_vert(input)?,
+ guard: {
+ if input.peek(Token![if]) {
+ let if_token: Token![if] = input.parse()?;
+@@ -2641,6 +2555,26 @@ pub(crate) mod parsing {
+ }
+ }
+
++ fn multi_index(e: &mut Expr, dot_token: &mut Token![.], float: LitFloat) -> Result<bool> {
++ let mut float_repr = float.to_string();
++ let trailing_dot = float_repr.ends_with('.');
++ if trailing_dot {
++ float_repr.truncate(float_repr.len() - 1);
++ }
++ for part in float_repr.split('.') {
++ let index = crate::parse_str(part).map_err(|err| Error::new(float.span(), err))?;
++ let base = mem::replace(e, Expr::__Nonexhaustive);
++ *e = Expr::Field(ExprField {
++ attrs: Vec::new(),
++ base: Box::new(base),
++ dot_token: Token![.](dot_token.span),
++ member: Member::Unnamed(index),
++ });
++ *dot_token = Token![.](float.span());
++ }
++ Ok(!trailing_dot)
++ }
++
+ #[cfg(feature = "full")]
+ impl Member {
+ fn is_named(&self) -> bool {
+diff --git a/third_party/rust/syn/src/ext.rs b/third_party/rust/syn/src/ext.rs
+index d09577a27a..4f9bc145d9 100644
+--- a/third_party/rust/syn/src/ext.rs
++++ b/third_party/rust/syn/src/ext.rs
+@@ -1,6 +1,6 @@
+ //! Extension traits to provide parsing methods on foreign types.
+ //!
+-//! *This module is available if Syn is built with the `"parsing"` feature.*
++//! *This module is available only if Syn is built with the `"parsing"` feature.*
+
+ use proc_macro2::Ident;
+
+@@ -16,7 +16,7 @@ use crate::token::CustomToken;
+ /// This trait is sealed and cannot be implemented for types outside of Syn. It
+ /// is implemented only for `proc_macro2::Ident`.
+ ///
+-/// *This trait is available if Syn is built with the `"parsing"` feature.*
++/// *This trait is available only if Syn is built with the `"parsing"` feature.*
+ pub trait IdentExt: Sized + private::Sealed {
+ /// Parses any identifier including keywords.
+ ///
+@@ -129,7 +129,13 @@ mod private {
+
+ impl Sealed for Ident {}
+
+- #[derive(Copy, Clone)]
+ pub struct PeekFn;
+ pub struct IdentAny;
++
++ impl Copy for PeekFn {}
++ impl Clone for PeekFn {
++ fn clone(&self) -> Self {
++ *self
++ }
++ }
+ }
+diff --git a/third_party/rust/syn/src/file.rs b/third_party/rust/syn/src/file.rs
+index 88c02fe832..c8fab63cd9 100644
+--- a/third_party/rust/syn/src/file.rs
++++ b/third_party/rust/syn/src/file.rs
+@@ -3,7 +3,7 @@ use super::*;
+ ast_struct! {
+ /// A complete file of Rust source code.
+ ///
+- /// *This type is available if Syn is built with the `"full"` feature.*
++ /// *This type is available only if Syn is built with the `"full"` feature.*
+ ///
+ /// # Example
+ ///
+@@ -37,6 +37,8 @@ ast_struct! {
+ /// file.read_to_string(&mut src).expect("Unable to read file");
+ ///
+ /// let syntax = syn::parse_file(&src).expect("Unable to parse file");
++ ///
++ /// // Debug impl is available if Syn is built with "extra-traits" feature.
+ /// println!("{:#?}", syntax);
+ /// }
+ /// ```
+diff --git a/third_party/rust/syn/src/gen/clone.rs b/third_party/rust/syn/src/gen/clone.rs
+new file mode 100644
+index 0000000000..bea3887013
+--- /dev/null
++++ b/third_party/rust/syn/src/gen/clone.rs
+@@ -0,0 +1,2051 @@
++// This file is @generated by syn-internal-codegen.
++// It is not intended for manual editing.
++
++#![allow(clippy::clone_on_copy, clippy::expl_impl_clone_on_copy)]
++use crate::*;
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Abi {
++ fn clone(&self) -> Self {
++ Abi {
++ extern_token: self.extern_token.clone(),
++ name: self.name.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for AngleBracketedGenericArguments {
++ fn clone(&self) -> Self {
++ AngleBracketedGenericArguments {
++ colon2_token: self.colon2_token.clone(),
++ lt_token: self.lt_token.clone(),
++ args: self.args.clone(),
++ gt_token: self.gt_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Arm {
++ fn clone(&self) -> Self {
++ Arm {
++ attrs: self.attrs.clone(),
++ pat: self.pat.clone(),
++ guard: self.guard.clone(),
++ fat_arrow_token: self.fat_arrow_token.clone(),
++ body: self.body.clone(),
++ comma: self.comma.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Copy for AttrStyle {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for AttrStyle {
++ fn clone(&self) -> Self {
++ *self
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Attribute {
++ fn clone(&self) -> Self {
++ Attribute {
++ pound_token: self.pound_token.clone(),
++ style: self.style.clone(),
++ bracket_token: self.bracket_token.clone(),
++ path: self.path.clone(),
++ tokens: self.tokens.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for BareFnArg {
++ fn clone(&self) -> Self {
++ BareFnArg {
++ attrs: self.attrs.clone(),
++ name: self.name.clone(),
++ ty: self.ty.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Copy for BinOp {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for BinOp {
++ fn clone(&self) -> Self {
++ *self
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Binding {
++ fn clone(&self) -> Self {
++ Binding {
++ ident: self.ident.clone(),
++ eq_token: self.eq_token.clone(),
++ ty: self.ty.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Block {
++ fn clone(&self) -> Self {
++ Block {
++ brace_token: self.brace_token.clone(),
++ stmts: self.stmts.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for BoundLifetimes {
++ fn clone(&self) -> Self {
++ BoundLifetimes {
++ for_token: self.for_token.clone(),
++ lt_token: self.lt_token.clone(),
++ lifetimes: self.lifetimes.clone(),
++ gt_token: self.gt_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ConstParam {
++ fn clone(&self) -> Self {
++ ConstParam {
++ attrs: self.attrs.clone(),
++ const_token: self.const_token.clone(),
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ eq_token: self.eq_token.clone(),
++ default: self.default.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Constraint {
++ fn clone(&self) -> Self {
++ Constraint {
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ bounds: self.bounds.clone(),
++ }
++ }
++}
++#[cfg(feature = "derive")]
++impl Clone for Data {
++ fn clone(&self) -> Self {
++ match self {
++ Data::Struct(v0) => Data::Struct(v0.clone()),
++ Data::Enum(v0) => Data::Enum(v0.clone()),
++ Data::Union(v0) => Data::Union(v0.clone()),
++ }
++ }
++}
++#[cfg(feature = "derive")]
++impl Clone for DataEnum {
++ fn clone(&self) -> Self {
++ DataEnum {
++ enum_token: self.enum_token.clone(),
++ brace_token: self.brace_token.clone(),
++ variants: self.variants.clone(),
++ }
++ }
++}
++#[cfg(feature = "derive")]
++impl Clone for DataStruct {
++ fn clone(&self) -> Self {
++ DataStruct {
++ struct_token: self.struct_token.clone(),
++ fields: self.fields.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "derive")]
++impl Clone for DataUnion {
++ fn clone(&self) -> Self {
++ DataUnion {
++ union_token: self.union_token.clone(),
++ fields: self.fields.clone(),
++ }
++ }
++}
++#[cfg(feature = "derive")]
++impl Clone for DeriveInput {
++ fn clone(&self) -> Self {
++ DeriveInput {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ data: self.data.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Expr {
++ fn clone(&self) -> Self {
++ match self {
++ #[cfg(feature = "full")]
++ Expr::Array(v0) => Expr::Array(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Assign(v0) => Expr::Assign(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::AssignOp(v0) => Expr::AssignOp(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Async(v0) => Expr::Async(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Await(v0) => Expr::Await(v0.clone()),
++ Expr::Binary(v0) => Expr::Binary(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Block(v0) => Expr::Block(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Box(v0) => Expr::Box(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Break(v0) => Expr::Break(v0.clone()),
++ Expr::Call(v0) => Expr::Call(v0.clone()),
++ Expr::Cast(v0) => Expr::Cast(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Closure(v0) => Expr::Closure(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Continue(v0) => Expr::Continue(v0.clone()),
++ Expr::Field(v0) => Expr::Field(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::ForLoop(v0) => Expr::ForLoop(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Group(v0) => Expr::Group(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::If(v0) => Expr::If(v0.clone()),
++ Expr::Index(v0) => Expr::Index(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Let(v0) => Expr::Let(v0.clone()),
++ Expr::Lit(v0) => Expr::Lit(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Loop(v0) => Expr::Loop(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Macro(v0) => Expr::Macro(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Match(v0) => Expr::Match(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::MethodCall(v0) => Expr::MethodCall(v0.clone()),
++ Expr::Paren(v0) => Expr::Paren(v0.clone()),
++ Expr::Path(v0) => Expr::Path(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Range(v0) => Expr::Range(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Reference(v0) => Expr::Reference(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Repeat(v0) => Expr::Repeat(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Return(v0) => Expr::Return(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Struct(v0) => Expr::Struct(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Try(v0) => Expr::Try(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::TryBlock(v0) => Expr::TryBlock(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Tuple(v0) => Expr::Tuple(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Type(v0) => Expr::Type(v0.clone()),
++ Expr::Unary(v0) => Expr::Unary(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Unsafe(v0) => Expr::Unsafe(v0.clone()),
++ Expr::Verbatim(v0) => Expr::Verbatim(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::While(v0) => Expr::While(v0.clone()),
++ #[cfg(feature = "full")]
++ Expr::Yield(v0) => Expr::Yield(v0.clone()),
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprArray {
++ fn clone(&self) -> Self {
++ ExprArray {
++ attrs: self.attrs.clone(),
++ bracket_token: self.bracket_token.clone(),
++ elems: self.elems.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprAssign {
++ fn clone(&self) -> Self {
++ ExprAssign {
++ attrs: self.attrs.clone(),
++ left: self.left.clone(),
++ eq_token: self.eq_token.clone(),
++ right: self.right.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprAssignOp {
++ fn clone(&self) -> Self {
++ ExprAssignOp {
++ attrs: self.attrs.clone(),
++ left: self.left.clone(),
++ op: self.op.clone(),
++ right: self.right.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprAsync {
++ fn clone(&self) -> Self {
++ ExprAsync {
++ attrs: self.attrs.clone(),
++ async_token: self.async_token.clone(),
++ capture: self.capture.clone(),
++ block: self.block.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprAwait {
++ fn clone(&self) -> Self {
++ ExprAwait {
++ attrs: self.attrs.clone(),
++ base: self.base.clone(),
++ dot_token: self.dot_token.clone(),
++ await_token: self.await_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprBinary {
++ fn clone(&self) -> Self {
++ ExprBinary {
++ attrs: self.attrs.clone(),
++ left: self.left.clone(),
++ op: self.op.clone(),
++ right: self.right.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprBlock {
++ fn clone(&self) -> Self {
++ ExprBlock {
++ attrs: self.attrs.clone(),
++ label: self.label.clone(),
++ block: self.block.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprBox {
++ fn clone(&self) -> Self {
++ ExprBox {
++ attrs: self.attrs.clone(),
++ box_token: self.box_token.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprBreak {
++ fn clone(&self) -> Self {
++ ExprBreak {
++ attrs: self.attrs.clone(),
++ break_token: self.break_token.clone(),
++ label: self.label.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprCall {
++ fn clone(&self) -> Self {
++ ExprCall {
++ attrs: self.attrs.clone(),
++ func: self.func.clone(),
++ paren_token: self.paren_token.clone(),
++ args: self.args.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprCast {
++ fn clone(&self) -> Self {
++ ExprCast {
++ attrs: self.attrs.clone(),
++ expr: self.expr.clone(),
++ as_token: self.as_token.clone(),
++ ty: self.ty.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprClosure {
++ fn clone(&self) -> Self {
++ ExprClosure {
++ attrs: self.attrs.clone(),
++ asyncness: self.asyncness.clone(),
++ movability: self.movability.clone(),
++ capture: self.capture.clone(),
++ or1_token: self.or1_token.clone(),
++ inputs: self.inputs.clone(),
++ or2_token: self.or2_token.clone(),
++ output: self.output.clone(),
++ body: self.body.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprContinue {
++ fn clone(&self) -> Self {
++ ExprContinue {
++ attrs: self.attrs.clone(),
++ continue_token: self.continue_token.clone(),
++ label: self.label.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprField {
++ fn clone(&self) -> Self {
++ ExprField {
++ attrs: self.attrs.clone(),
++ base: self.base.clone(),
++ dot_token: self.dot_token.clone(),
++ member: self.member.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprForLoop {
++ fn clone(&self) -> Self {
++ ExprForLoop {
++ attrs: self.attrs.clone(),
++ label: self.label.clone(),
++ for_token: self.for_token.clone(),
++ pat: self.pat.clone(),
++ in_token: self.in_token.clone(),
++ expr: self.expr.clone(),
++ body: self.body.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprGroup {
++ fn clone(&self) -> Self {
++ ExprGroup {
++ attrs: self.attrs.clone(),
++ group_token: self.group_token.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprIf {
++ fn clone(&self) -> Self {
++ ExprIf {
++ attrs: self.attrs.clone(),
++ if_token: self.if_token.clone(),
++ cond: self.cond.clone(),
++ then_branch: self.then_branch.clone(),
++ else_branch: self.else_branch.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprIndex {
++ fn clone(&self) -> Self {
++ ExprIndex {
++ attrs: self.attrs.clone(),
++ expr: self.expr.clone(),
++ bracket_token: self.bracket_token.clone(),
++ index: self.index.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprLet {
++ fn clone(&self) -> Self {
++ ExprLet {
++ attrs: self.attrs.clone(),
++ let_token: self.let_token.clone(),
++ pat: self.pat.clone(),
++ eq_token: self.eq_token.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprLit {
++ fn clone(&self) -> Self {
++ ExprLit {
++ attrs: self.attrs.clone(),
++ lit: self.lit.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprLoop {
++ fn clone(&self) -> Self {
++ ExprLoop {
++ attrs: self.attrs.clone(),
++ label: self.label.clone(),
++ loop_token: self.loop_token.clone(),
++ body: self.body.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprMacro {
++ fn clone(&self) -> Self {
++ ExprMacro {
++ attrs: self.attrs.clone(),
++ mac: self.mac.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprMatch {
++ fn clone(&self) -> Self {
++ ExprMatch {
++ attrs: self.attrs.clone(),
++ match_token: self.match_token.clone(),
++ expr: self.expr.clone(),
++ brace_token: self.brace_token.clone(),
++ arms: self.arms.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprMethodCall {
++ fn clone(&self) -> Self {
++ ExprMethodCall {
++ attrs: self.attrs.clone(),
++ receiver: self.receiver.clone(),
++ dot_token: self.dot_token.clone(),
++ method: self.method.clone(),
++ turbofish: self.turbofish.clone(),
++ paren_token: self.paren_token.clone(),
++ args: self.args.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprParen {
++ fn clone(&self) -> Self {
++ ExprParen {
++ attrs: self.attrs.clone(),
++ paren_token: self.paren_token.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprPath {
++ fn clone(&self) -> Self {
++ ExprPath {
++ attrs: self.attrs.clone(),
++ qself: self.qself.clone(),
++ path: self.path.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprRange {
++ fn clone(&self) -> Self {
++ ExprRange {
++ attrs: self.attrs.clone(),
++ from: self.from.clone(),
++ limits: self.limits.clone(),
++ to: self.to.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprReference {
++ fn clone(&self) -> Self {
++ ExprReference {
++ attrs: self.attrs.clone(),
++ and_token: self.and_token.clone(),
++ raw: self.raw.clone(),
++ mutability: self.mutability.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprRepeat {
++ fn clone(&self) -> Self {
++ ExprRepeat {
++ attrs: self.attrs.clone(),
++ bracket_token: self.bracket_token.clone(),
++ expr: self.expr.clone(),
++ semi_token: self.semi_token.clone(),
++ len: self.len.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprReturn {
++ fn clone(&self) -> Self {
++ ExprReturn {
++ attrs: self.attrs.clone(),
++ return_token: self.return_token.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprStruct {
++ fn clone(&self) -> Self {
++ ExprStruct {
++ attrs: self.attrs.clone(),
++ path: self.path.clone(),
++ brace_token: self.brace_token.clone(),
++ fields: self.fields.clone(),
++ dot2_token: self.dot2_token.clone(),
++ rest: self.rest.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprTry {
++ fn clone(&self) -> Self {
++ ExprTry {
++ attrs: self.attrs.clone(),
++ expr: self.expr.clone(),
++ question_token: self.question_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprTryBlock {
++ fn clone(&self) -> Self {
++ ExprTryBlock {
++ attrs: self.attrs.clone(),
++ try_token: self.try_token.clone(),
++ block: self.block.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprTuple {
++ fn clone(&self) -> Self {
++ ExprTuple {
++ attrs: self.attrs.clone(),
++ paren_token: self.paren_token.clone(),
++ elems: self.elems.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprType {
++ fn clone(&self) -> Self {
++ ExprType {
++ attrs: self.attrs.clone(),
++ expr: self.expr.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ExprUnary {
++ fn clone(&self) -> Self {
++ ExprUnary {
++ attrs: self.attrs.clone(),
++ op: self.op.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprUnsafe {
++ fn clone(&self) -> Self {
++ ExprUnsafe {
++ attrs: self.attrs.clone(),
++ unsafe_token: self.unsafe_token.clone(),
++ block: self.block.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprWhile {
++ fn clone(&self) -> Self {
++ ExprWhile {
++ attrs: self.attrs.clone(),
++ label: self.label.clone(),
++ while_token: self.while_token.clone(),
++ cond: self.cond.clone(),
++ body: self.body.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ExprYield {
++ fn clone(&self) -> Self {
++ ExprYield {
++ attrs: self.attrs.clone(),
++ yield_token: self.yield_token.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Field {
++ fn clone(&self) -> Self {
++ Field {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for FieldPat {
++ fn clone(&self) -> Self {
++ FieldPat {
++ attrs: self.attrs.clone(),
++ member: self.member.clone(),
++ colon_token: self.colon_token.clone(),
++ pat: self.pat.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for FieldValue {
++ fn clone(&self) -> Self {
++ FieldValue {
++ attrs: self.attrs.clone(),
++ member: self.member.clone(),
++ colon_token: self.colon_token.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Fields {
++ fn clone(&self) -> Self {
++ match self {
++ Fields::Named(v0) => Fields::Named(v0.clone()),
++ Fields::Unnamed(v0) => Fields::Unnamed(v0.clone()),
++ Fields::Unit => Fields::Unit,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for FieldsNamed {
++ fn clone(&self) -> Self {
++ FieldsNamed {
++ brace_token: self.brace_token.clone(),
++ named: self.named.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for FieldsUnnamed {
++ fn clone(&self) -> Self {
++ FieldsUnnamed {
++ paren_token: self.paren_token.clone(),
++ unnamed: self.unnamed.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for File {
++ fn clone(&self) -> Self {
++ File {
++ shebang: self.shebang.clone(),
++ attrs: self.attrs.clone(),
++ items: self.items.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for FnArg {
++ fn clone(&self) -> Self {
++ match self {
++ FnArg::Receiver(v0) => FnArg::Receiver(v0.clone()),
++ FnArg::Typed(v0) => FnArg::Typed(v0.clone()),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ForeignItem {
++ fn clone(&self) -> Self {
++ match self {
++ ForeignItem::Fn(v0) => ForeignItem::Fn(v0.clone()),
++ ForeignItem::Static(v0) => ForeignItem::Static(v0.clone()),
++ ForeignItem::Type(v0) => ForeignItem::Type(v0.clone()),
++ ForeignItem::Macro(v0) => ForeignItem::Macro(v0.clone()),
++ ForeignItem::Verbatim(v0) => ForeignItem::Verbatim(v0.clone()),
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ForeignItemFn {
++ fn clone(&self) -> Self {
++ ForeignItemFn {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ sig: self.sig.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ForeignItemMacro {
++ fn clone(&self) -> Self {
++ ForeignItemMacro {
++ attrs: self.attrs.clone(),
++ mac: self.mac.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ForeignItemStatic {
++ fn clone(&self) -> Self {
++ ForeignItemStatic {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ static_token: self.static_token.clone(),
++ mutability: self.mutability.clone(),
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ForeignItemType {
++ fn clone(&self) -> Self {
++ ForeignItemType {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ type_token: self.type_token.clone(),
++ ident: self.ident.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for GenericArgument {
++ fn clone(&self) -> Self {
++ match self {
++ GenericArgument::Lifetime(v0) => GenericArgument::Lifetime(v0.clone()),
++ GenericArgument::Type(v0) => GenericArgument::Type(v0.clone()),
++ GenericArgument::Binding(v0) => GenericArgument::Binding(v0.clone()),
++ GenericArgument::Constraint(v0) => GenericArgument::Constraint(v0.clone()),
++ GenericArgument::Const(v0) => GenericArgument::Const(v0.clone()),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for GenericMethodArgument {
++ fn clone(&self) -> Self {
++ match self {
++ GenericMethodArgument::Type(v0) => GenericMethodArgument::Type(v0.clone()),
++ GenericMethodArgument::Const(v0) => GenericMethodArgument::Const(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for GenericParam {
++ fn clone(&self) -> Self {
++ match self {
++ GenericParam::Type(v0) => GenericParam::Type(v0.clone()),
++ GenericParam::Lifetime(v0) => GenericParam::Lifetime(v0.clone()),
++ GenericParam::Const(v0) => GenericParam::Const(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Generics {
++ fn clone(&self) -> Self {
++ Generics {
++ lt_token: self.lt_token.clone(),
++ params: self.params.clone(),
++ gt_token: self.gt_token.clone(),
++ where_clause: self.where_clause.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ImplItem {
++ fn clone(&self) -> Self {
++ match self {
++ ImplItem::Const(v0) => ImplItem::Const(v0.clone()),
++ ImplItem::Method(v0) => ImplItem::Method(v0.clone()),
++ ImplItem::Type(v0) => ImplItem::Type(v0.clone()),
++ ImplItem::Macro(v0) => ImplItem::Macro(v0.clone()),
++ ImplItem::Verbatim(v0) => ImplItem::Verbatim(v0.clone()),
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ImplItemConst {
++ fn clone(&self) -> Self {
++ ImplItemConst {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ defaultness: self.defaultness.clone(),
++ const_token: self.const_token.clone(),
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ eq_token: self.eq_token.clone(),
++ expr: self.expr.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ImplItemMacro {
++ fn clone(&self) -> Self {
++ ImplItemMacro {
++ attrs: self.attrs.clone(),
++ mac: self.mac.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ImplItemMethod {
++ fn clone(&self) -> Self {
++ ImplItemMethod {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ defaultness: self.defaultness.clone(),
++ sig: self.sig.clone(),
++ block: self.block.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ImplItemType {
++ fn clone(&self) -> Self {
++ ImplItemType {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ defaultness: self.defaultness.clone(),
++ type_token: self.type_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ eq_token: self.eq_token.clone(),
++ ty: self.ty.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Index {
++ fn clone(&self) -> Self {
++ Index {
++ index: self.index.clone(),
++ span: self.span.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Item {
++ fn clone(&self) -> Self {
++ match self {
++ Item::Const(v0) => Item::Const(v0.clone()),
++ Item::Enum(v0) => Item::Enum(v0.clone()),
++ Item::ExternCrate(v0) => Item::ExternCrate(v0.clone()),
++ Item::Fn(v0) => Item::Fn(v0.clone()),
++ Item::ForeignMod(v0) => Item::ForeignMod(v0.clone()),
++ Item::Impl(v0) => Item::Impl(v0.clone()),
++ Item::Macro(v0) => Item::Macro(v0.clone()),
++ Item::Macro2(v0) => Item::Macro2(v0.clone()),
++ Item::Mod(v0) => Item::Mod(v0.clone()),
++ Item::Static(v0) => Item::Static(v0.clone()),
++ Item::Struct(v0) => Item::Struct(v0.clone()),
++ Item::Trait(v0) => Item::Trait(v0.clone()),
++ Item::TraitAlias(v0) => Item::TraitAlias(v0.clone()),
++ Item::Type(v0) => Item::Type(v0.clone()),
++ Item::Union(v0) => Item::Union(v0.clone()),
++ Item::Use(v0) => Item::Use(v0.clone()),
++ Item::Verbatim(v0) => Item::Verbatim(v0.clone()),
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemConst {
++ fn clone(&self) -> Self {
++ ItemConst {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ const_token: self.const_token.clone(),
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ eq_token: self.eq_token.clone(),
++ expr: self.expr.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemEnum {
++ fn clone(&self) -> Self {
++ ItemEnum {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ enum_token: self.enum_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ brace_token: self.brace_token.clone(),
++ variants: self.variants.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemExternCrate {
++ fn clone(&self) -> Self {
++ ItemExternCrate {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ extern_token: self.extern_token.clone(),
++ crate_token: self.crate_token.clone(),
++ ident: self.ident.clone(),
++ rename: self.rename.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemFn {
++ fn clone(&self) -> Self {
++ ItemFn {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ sig: self.sig.clone(),
++ block: self.block.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemForeignMod {
++ fn clone(&self) -> Self {
++ ItemForeignMod {
++ attrs: self.attrs.clone(),
++ abi: self.abi.clone(),
++ brace_token: self.brace_token.clone(),
++ items: self.items.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemImpl {
++ fn clone(&self) -> Self {
++ ItemImpl {
++ attrs: self.attrs.clone(),
++ defaultness: self.defaultness.clone(),
++ unsafety: self.unsafety.clone(),
++ impl_token: self.impl_token.clone(),
++ generics: self.generics.clone(),
++ trait_: self.trait_.clone(),
++ self_ty: self.self_ty.clone(),
++ brace_token: self.brace_token.clone(),
++ items: self.items.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemMacro {
++ fn clone(&self) -> Self {
++ ItemMacro {
++ attrs: self.attrs.clone(),
++ ident: self.ident.clone(),
++ mac: self.mac.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemMacro2 {
++ fn clone(&self) -> Self {
++ ItemMacro2 {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ macro_token: self.macro_token.clone(),
++ ident: self.ident.clone(),
++ rules: self.rules.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemMod {
++ fn clone(&self) -> Self {
++ ItemMod {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ mod_token: self.mod_token.clone(),
++ ident: self.ident.clone(),
++ content: self.content.clone(),
++ semi: self.semi.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemStatic {
++ fn clone(&self) -> Self {
++ ItemStatic {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ static_token: self.static_token.clone(),
++ mutability: self.mutability.clone(),
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ eq_token: self.eq_token.clone(),
++ expr: self.expr.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemStruct {
++ fn clone(&self) -> Self {
++ ItemStruct {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ struct_token: self.struct_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ fields: self.fields.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemTrait {
++ fn clone(&self) -> Self {
++ ItemTrait {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ unsafety: self.unsafety.clone(),
++ auto_token: self.auto_token.clone(),
++ trait_token: self.trait_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ colon_token: self.colon_token.clone(),
++ supertraits: self.supertraits.clone(),
++ brace_token: self.brace_token.clone(),
++ items: self.items.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemTraitAlias {
++ fn clone(&self) -> Self {
++ ItemTraitAlias {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ trait_token: self.trait_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ eq_token: self.eq_token.clone(),
++ bounds: self.bounds.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemType {
++ fn clone(&self) -> Self {
++ ItemType {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ type_token: self.type_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ eq_token: self.eq_token.clone(),
++ ty: self.ty.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemUnion {
++ fn clone(&self) -> Self {
++ ItemUnion {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ union_token: self.union_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ fields: self.fields.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for ItemUse {
++ fn clone(&self) -> Self {
++ ItemUse {
++ attrs: self.attrs.clone(),
++ vis: self.vis.clone(),
++ use_token: self.use_token.clone(),
++ leading_colon: self.leading_colon.clone(),
++ tree: self.tree.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Label {
++ fn clone(&self) -> Self {
++ Label {
++ name: self.name.clone(),
++ colon_token: self.colon_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for LifetimeDef {
++ fn clone(&self) -> Self {
++ LifetimeDef {
++ attrs: self.attrs.clone(),
++ lifetime: self.lifetime.clone(),
++ colon_token: self.colon_token.clone(),
++ bounds: self.bounds.clone(),
++ }
++ }
++}
++impl Clone for Lit {
++ fn clone(&self) -> Self {
++ match self {
++ Lit::Str(v0) => Lit::Str(v0.clone()),
++ Lit::ByteStr(v0) => Lit::ByteStr(v0.clone()),
++ Lit::Byte(v0) => Lit::Byte(v0.clone()),
++ Lit::Char(v0) => Lit::Char(v0.clone()),
++ Lit::Int(v0) => Lit::Int(v0.clone()),
++ Lit::Float(v0) => Lit::Float(v0.clone()),
++ Lit::Bool(v0) => Lit::Bool(v0.clone()),
++ Lit::Verbatim(v0) => Lit::Verbatim(v0.clone()),
++ }
++ }
++}
++impl Clone for LitBool {
++ fn clone(&self) -> Self {
++ LitBool {
++ value: self.value.clone(),
++ span: self.span.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Local {
++ fn clone(&self) -> Self {
++ Local {
++ attrs: self.attrs.clone(),
++ let_token: self.let_token.clone(),
++ pat: self.pat.clone(),
++ init: self.init.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Macro {
++ fn clone(&self) -> Self {
++ Macro {
++ path: self.path.clone(),
++ bang_token: self.bang_token.clone(),
++ delimiter: self.delimiter.clone(),
++ tokens: self.tokens.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for MacroDelimiter {
++ fn clone(&self) -> Self {
++ match self {
++ MacroDelimiter::Paren(v0) => MacroDelimiter::Paren(v0.clone()),
++ MacroDelimiter::Brace(v0) => MacroDelimiter::Brace(v0.clone()),
++ MacroDelimiter::Bracket(v0) => MacroDelimiter::Bracket(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Member {
++ fn clone(&self) -> Self {
++ match self {
++ Member::Named(v0) => Member::Named(v0.clone()),
++ Member::Unnamed(v0) => Member::Unnamed(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Meta {
++ fn clone(&self) -> Self {
++ match self {
++ Meta::Path(v0) => Meta::Path(v0.clone()),
++ Meta::List(v0) => Meta::List(v0.clone()),
++ Meta::NameValue(v0) => Meta::NameValue(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for MetaList {
++ fn clone(&self) -> Self {
++ MetaList {
++ path: self.path.clone(),
++ paren_token: self.paren_token.clone(),
++ nested: self.nested.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for MetaNameValue {
++ fn clone(&self) -> Self {
++ MetaNameValue {
++ path: self.path.clone(),
++ eq_token: self.eq_token.clone(),
++ lit: self.lit.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for MethodTurbofish {
++ fn clone(&self) -> Self {
++ MethodTurbofish {
++ colon2_token: self.colon2_token.clone(),
++ lt_token: self.lt_token.clone(),
++ args: self.args.clone(),
++ gt_token: self.gt_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for NestedMeta {
++ fn clone(&self) -> Self {
++ match self {
++ NestedMeta::Meta(v0) => NestedMeta::Meta(v0.clone()),
++ NestedMeta::Lit(v0) => NestedMeta::Lit(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ParenthesizedGenericArguments {
++ fn clone(&self) -> Self {
++ ParenthesizedGenericArguments {
++ paren_token: self.paren_token.clone(),
++ inputs: self.inputs.clone(),
++ output: self.output.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Pat {
++ fn clone(&self) -> Self {
++ match self {
++ Pat::Box(v0) => Pat::Box(v0.clone()),
++ Pat::Ident(v0) => Pat::Ident(v0.clone()),
++ Pat::Lit(v0) => Pat::Lit(v0.clone()),
++ Pat::Macro(v0) => Pat::Macro(v0.clone()),
++ Pat::Or(v0) => Pat::Or(v0.clone()),
++ Pat::Path(v0) => Pat::Path(v0.clone()),
++ Pat::Range(v0) => Pat::Range(v0.clone()),
++ Pat::Reference(v0) => Pat::Reference(v0.clone()),
++ Pat::Rest(v0) => Pat::Rest(v0.clone()),
++ Pat::Slice(v0) => Pat::Slice(v0.clone()),
++ Pat::Struct(v0) => Pat::Struct(v0.clone()),
++ Pat::Tuple(v0) => Pat::Tuple(v0.clone()),
++ Pat::TupleStruct(v0) => Pat::TupleStruct(v0.clone()),
++ Pat::Type(v0) => Pat::Type(v0.clone()),
++ Pat::Verbatim(v0) => Pat::Verbatim(v0.clone()),
++ Pat::Wild(v0) => Pat::Wild(v0.clone()),
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatBox {
++ fn clone(&self) -> Self {
++ PatBox {
++ attrs: self.attrs.clone(),
++ box_token: self.box_token.clone(),
++ pat: self.pat.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatIdent {
++ fn clone(&self) -> Self {
++ PatIdent {
++ attrs: self.attrs.clone(),
++ by_ref: self.by_ref.clone(),
++ mutability: self.mutability.clone(),
++ ident: self.ident.clone(),
++ subpat: self.subpat.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatLit {
++ fn clone(&self) -> Self {
++ PatLit {
++ attrs: self.attrs.clone(),
++ expr: self.expr.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatMacro {
++ fn clone(&self) -> Self {
++ PatMacro {
++ attrs: self.attrs.clone(),
++ mac: self.mac.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatOr {
++ fn clone(&self) -> Self {
++ PatOr {
++ attrs: self.attrs.clone(),
++ leading_vert: self.leading_vert.clone(),
++ cases: self.cases.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatPath {
++ fn clone(&self) -> Self {
++ PatPath {
++ attrs: self.attrs.clone(),
++ qself: self.qself.clone(),
++ path: self.path.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatRange {
++ fn clone(&self) -> Self {
++ PatRange {
++ attrs: self.attrs.clone(),
++ lo: self.lo.clone(),
++ limits: self.limits.clone(),
++ hi: self.hi.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatReference {
++ fn clone(&self) -> Self {
++ PatReference {
++ attrs: self.attrs.clone(),
++ and_token: self.and_token.clone(),
++ mutability: self.mutability.clone(),
++ pat: self.pat.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatRest {
++ fn clone(&self) -> Self {
++ PatRest {
++ attrs: self.attrs.clone(),
++ dot2_token: self.dot2_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatSlice {
++ fn clone(&self) -> Self {
++ PatSlice {
++ attrs: self.attrs.clone(),
++ bracket_token: self.bracket_token.clone(),
++ elems: self.elems.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatStruct {
++ fn clone(&self) -> Self {
++ PatStruct {
++ attrs: self.attrs.clone(),
++ path: self.path.clone(),
++ brace_token: self.brace_token.clone(),
++ fields: self.fields.clone(),
++ dot2_token: self.dot2_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatTuple {
++ fn clone(&self) -> Self {
++ PatTuple {
++ attrs: self.attrs.clone(),
++ paren_token: self.paren_token.clone(),
++ elems: self.elems.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatTupleStruct {
++ fn clone(&self) -> Self {
++ PatTupleStruct {
++ attrs: self.attrs.clone(),
++ path: self.path.clone(),
++ pat: self.pat.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatType {
++ fn clone(&self) -> Self {
++ PatType {
++ attrs: self.attrs.clone(),
++ pat: self.pat.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for PatWild {
++ fn clone(&self) -> Self {
++ PatWild {
++ attrs: self.attrs.clone(),
++ underscore_token: self.underscore_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Path {
++ fn clone(&self) -> Self {
++ Path {
++ leading_colon: self.leading_colon.clone(),
++ segments: self.segments.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for PathArguments {
++ fn clone(&self) -> Self {
++ match self {
++ PathArguments::None => PathArguments::None,
++ PathArguments::AngleBracketed(v0) => PathArguments::AngleBracketed(v0.clone()),
++ PathArguments::Parenthesized(v0) => PathArguments::Parenthesized(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for PathSegment {
++ fn clone(&self) -> Self {
++ PathSegment {
++ ident: self.ident.clone(),
++ arguments: self.arguments.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for PredicateEq {
++ fn clone(&self) -> Self {
++ PredicateEq {
++ lhs_ty: self.lhs_ty.clone(),
++ eq_token: self.eq_token.clone(),
++ rhs_ty: self.rhs_ty.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for PredicateLifetime {
++ fn clone(&self) -> Self {
++ PredicateLifetime {
++ lifetime: self.lifetime.clone(),
++ colon_token: self.colon_token.clone(),
++ bounds: self.bounds.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for PredicateType {
++ fn clone(&self) -> Self {
++ PredicateType {
++ lifetimes: self.lifetimes.clone(),
++ bounded_ty: self.bounded_ty.clone(),
++ colon_token: self.colon_token.clone(),
++ bounds: self.bounds.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for QSelf {
++ fn clone(&self) -> Self {
++ QSelf {
++ lt_token: self.lt_token.clone(),
++ ty: self.ty.clone(),
++ position: self.position.clone(),
++ as_token: self.as_token.clone(),
++ gt_token: self.gt_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Copy for RangeLimits {}
++#[cfg(feature = "full")]
++impl Clone for RangeLimits {
++ fn clone(&self) -> Self {
++ *self
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Receiver {
++ fn clone(&self) -> Self {
++ Receiver {
++ attrs: self.attrs.clone(),
++ reference: self.reference.clone(),
++ mutability: self.mutability.clone(),
++ self_token: self.self_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for ReturnType {
++ fn clone(&self) -> Self {
++ match self {
++ ReturnType::Default => ReturnType::Default,
++ ReturnType::Type(v0, v1) => ReturnType::Type(v0.clone(), v1.clone()),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Signature {
++ fn clone(&self) -> Self {
++ Signature {
++ constness: self.constness.clone(),
++ asyncness: self.asyncness.clone(),
++ unsafety: self.unsafety.clone(),
++ abi: self.abi.clone(),
++ fn_token: self.fn_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ paren_token: self.paren_token.clone(),
++ inputs: self.inputs.clone(),
++ variadic: self.variadic.clone(),
++ output: self.output.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for Stmt {
++ fn clone(&self) -> Self {
++ match self {
++ Stmt::Local(v0) => Stmt::Local(v0.clone()),
++ Stmt::Item(v0) => Stmt::Item(v0.clone()),
++ Stmt::Expr(v0) => Stmt::Expr(v0.clone()),
++ Stmt::Semi(v0, v1) => Stmt::Semi(v0.clone(), v1.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TraitBound {
++ fn clone(&self) -> Self {
++ TraitBound {
++ paren_token: self.paren_token.clone(),
++ modifier: self.modifier.clone(),
++ lifetimes: self.lifetimes.clone(),
++ path: self.path.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Copy for TraitBoundModifier {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TraitBoundModifier {
++ fn clone(&self) -> Self {
++ *self
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for TraitItem {
++ fn clone(&self) -> Self {
++ match self {
++ TraitItem::Const(v0) => TraitItem::Const(v0.clone()),
++ TraitItem::Method(v0) => TraitItem::Method(v0.clone()),
++ TraitItem::Type(v0) => TraitItem::Type(v0.clone()),
++ TraitItem::Macro(v0) => TraitItem::Macro(v0.clone()),
++ TraitItem::Verbatim(v0) => TraitItem::Verbatim(v0.clone()),
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for TraitItemConst {
++ fn clone(&self) -> Self {
++ TraitItemConst {
++ attrs: self.attrs.clone(),
++ const_token: self.const_token.clone(),
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ ty: self.ty.clone(),
++ default: self.default.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for TraitItemMacro {
++ fn clone(&self) -> Self {
++ TraitItemMacro {
++ attrs: self.attrs.clone(),
++ mac: self.mac.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for TraitItemMethod {
++ fn clone(&self) -> Self {
++ TraitItemMethod {
++ attrs: self.attrs.clone(),
++ sig: self.sig.clone(),
++ default: self.default.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for TraitItemType {
++ fn clone(&self) -> Self {
++ TraitItemType {
++ attrs: self.attrs.clone(),
++ type_token: self.type_token.clone(),
++ ident: self.ident.clone(),
++ generics: self.generics.clone(),
++ colon_token: self.colon_token.clone(),
++ bounds: self.bounds.clone(),
++ default: self.default.clone(),
++ semi_token: self.semi_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Type {
++ fn clone(&self) -> Self {
++ match self {
++ Type::Array(v0) => Type::Array(v0.clone()),
++ Type::BareFn(v0) => Type::BareFn(v0.clone()),
++ Type::Group(v0) => Type::Group(v0.clone()),
++ Type::ImplTrait(v0) => Type::ImplTrait(v0.clone()),
++ Type::Infer(v0) => Type::Infer(v0.clone()),
++ Type::Macro(v0) => Type::Macro(v0.clone()),
++ Type::Never(v0) => Type::Never(v0.clone()),
++ Type::Paren(v0) => Type::Paren(v0.clone()),
++ Type::Path(v0) => Type::Path(v0.clone()),
++ Type::Ptr(v0) => Type::Ptr(v0.clone()),
++ Type::Reference(v0) => Type::Reference(v0.clone()),
++ Type::Slice(v0) => Type::Slice(v0.clone()),
++ Type::TraitObject(v0) => Type::TraitObject(v0.clone()),
++ Type::Tuple(v0) => Type::Tuple(v0.clone()),
++ Type::Verbatim(v0) => Type::Verbatim(v0.clone()),
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeArray {
++ fn clone(&self) -> Self {
++ TypeArray {
++ bracket_token: self.bracket_token.clone(),
++ elem: self.elem.clone(),
++ semi_token: self.semi_token.clone(),
++ len: self.len.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeBareFn {
++ fn clone(&self) -> Self {
++ TypeBareFn {
++ lifetimes: self.lifetimes.clone(),
++ unsafety: self.unsafety.clone(),
++ abi: self.abi.clone(),
++ fn_token: self.fn_token.clone(),
++ paren_token: self.paren_token.clone(),
++ inputs: self.inputs.clone(),
++ variadic: self.variadic.clone(),
++ output: self.output.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeGroup {
++ fn clone(&self) -> Self {
++ TypeGroup {
++ group_token: self.group_token.clone(),
++ elem: self.elem.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeImplTrait {
++ fn clone(&self) -> Self {
++ TypeImplTrait {
++ impl_token: self.impl_token.clone(),
++ bounds: self.bounds.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeInfer {
++ fn clone(&self) -> Self {
++ TypeInfer {
++ underscore_token: self.underscore_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeMacro {
++ fn clone(&self) -> Self {
++ TypeMacro {
++ mac: self.mac.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeNever {
++ fn clone(&self) -> Self {
++ TypeNever {
++ bang_token: self.bang_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeParam {
++ fn clone(&self) -> Self {
++ TypeParam {
++ attrs: self.attrs.clone(),
++ ident: self.ident.clone(),
++ colon_token: self.colon_token.clone(),
++ bounds: self.bounds.clone(),
++ eq_token: self.eq_token.clone(),
++ default: self.default.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeParamBound {
++ fn clone(&self) -> Self {
++ match self {
++ TypeParamBound::Trait(v0) => TypeParamBound::Trait(v0.clone()),
++ TypeParamBound::Lifetime(v0) => TypeParamBound::Lifetime(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeParen {
++ fn clone(&self) -> Self {
++ TypeParen {
++ paren_token: self.paren_token.clone(),
++ elem: self.elem.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypePath {
++ fn clone(&self) -> Self {
++ TypePath {
++ qself: self.qself.clone(),
++ path: self.path.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypePtr {
++ fn clone(&self) -> Self {
++ TypePtr {
++ star_token: self.star_token.clone(),
++ const_token: self.const_token.clone(),
++ mutability: self.mutability.clone(),
++ elem: self.elem.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeReference {
++ fn clone(&self) -> Self {
++ TypeReference {
++ and_token: self.and_token.clone(),
++ lifetime: self.lifetime.clone(),
++ mutability: self.mutability.clone(),
++ elem: self.elem.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeSlice {
++ fn clone(&self) -> Self {
++ TypeSlice {
++ bracket_token: self.bracket_token.clone(),
++ elem: self.elem.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeTraitObject {
++ fn clone(&self) -> Self {
++ TypeTraitObject {
++ dyn_token: self.dyn_token.clone(),
++ bounds: self.bounds.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for TypeTuple {
++ fn clone(&self) -> Self {
++ TypeTuple {
++ paren_token: self.paren_token.clone(),
++ elems: self.elems.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Copy for UnOp {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for UnOp {
++ fn clone(&self) -> Self {
++ *self
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for UseGlob {
++ fn clone(&self) -> Self {
++ UseGlob {
++ star_token: self.star_token.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for UseGroup {
++ fn clone(&self) -> Self {
++ UseGroup {
++ brace_token: self.brace_token.clone(),
++ items: self.items.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for UseName {
++ fn clone(&self) -> Self {
++ UseName {
++ ident: self.ident.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for UsePath {
++ fn clone(&self) -> Self {
++ UsePath {
++ ident: self.ident.clone(),
++ colon2_token: self.colon2_token.clone(),
++ tree: self.tree.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for UseRename {
++ fn clone(&self) -> Self {
++ UseRename {
++ ident: self.ident.clone(),
++ as_token: self.as_token.clone(),
++ rename: self.rename.clone(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Clone for UseTree {
++ fn clone(&self) -> Self {
++ match self {
++ UseTree::Path(v0) => UseTree::Path(v0.clone()),
++ UseTree::Name(v0) => UseTree::Name(v0.clone()),
++ UseTree::Rename(v0) => UseTree::Rename(v0.clone()),
++ UseTree::Glob(v0) => UseTree::Glob(v0.clone()),
++ UseTree::Group(v0) => UseTree::Group(v0.clone()),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Variadic {
++ fn clone(&self) -> Self {
++ Variadic {
++ attrs: self.attrs.clone(),
++ dots: self.dots.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Variant {
++ fn clone(&self) -> Self {
++ Variant {
++ attrs: self.attrs.clone(),
++ ident: self.ident.clone(),
++ fields: self.fields.clone(),
++ discriminant: self.discriminant.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for VisCrate {
++ fn clone(&self) -> Self {
++ VisCrate {
++ crate_token: self.crate_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for VisPublic {
++ fn clone(&self) -> Self {
++ VisPublic {
++ pub_token: self.pub_token.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for VisRestricted {
++ fn clone(&self) -> Self {
++ VisRestricted {
++ pub_token: self.pub_token.clone(),
++ paren_token: self.paren_token.clone(),
++ in_token: self.in_token.clone(),
++ path: self.path.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for Visibility {
++ fn clone(&self) -> Self {
++ match self {
++ Visibility::Public(v0) => Visibility::Public(v0.clone()),
++ Visibility::Crate(v0) => Visibility::Crate(v0.clone()),
++ Visibility::Restricted(v0) => Visibility::Restricted(v0.clone()),
++ Visibility::Inherited => Visibility::Inherited,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for WhereClause {
++ fn clone(&self) -> Self {
++ WhereClause {
++ where_token: self.where_token.clone(),
++ predicates: self.predicates.clone(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Clone for WherePredicate {
++ fn clone(&self) -> Self {
++ match self {
++ WherePredicate::Type(v0) => WherePredicate::Type(v0.clone()),
++ WherePredicate::Lifetime(v0) => WherePredicate::Lifetime(v0.clone()),
++ WherePredicate::Eq(v0) => WherePredicate::Eq(v0.clone()),
++ }
++ }
++}
+diff --git a/third_party/rust/syn/src/gen/debug.rs b/third_party/rust/syn/src/gen/debug.rs
+new file mode 100644
+index 0000000000..72baab05f4
+--- /dev/null
++++ b/third_party/rust/syn/src/gen/debug.rs
+@@ -0,0 +1,2857 @@
++// This file is @generated by syn-internal-codegen.
++// It is not intended for manual editing.
++
++use crate::*;
++use std::fmt::{self, Debug};
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Abi {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Abi");
++ formatter.field("extern_token", &self.extern_token);
++ formatter.field("name", &self.name);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for AngleBracketedGenericArguments {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("AngleBracketedGenericArguments");
++ formatter.field("colon2_token", &self.colon2_token);
++ formatter.field("lt_token", &self.lt_token);
++ formatter.field("args", &self.args);
++ formatter.field("gt_token", &self.gt_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Arm {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Arm");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("pat", &self.pat);
++ formatter.field("guard", &self.guard);
++ formatter.field("fat_arrow_token", &self.fat_arrow_token);
++ formatter.field("body", &self.body);
++ formatter.field("comma", &self.comma);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for AttrStyle {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ AttrStyle::Outer => formatter.write_str("Outer"),
++ AttrStyle::Inner(v0) => {
++ let mut formatter = formatter.debug_tuple("Inner");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Attribute {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Attribute");
++ formatter.field("pound_token", &self.pound_token);
++ formatter.field("style", &self.style);
++ formatter.field("bracket_token", &self.bracket_token);
++ formatter.field("path", &self.path);
++ formatter.field("tokens", &self.tokens);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for BareFnArg {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("BareFnArg");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("name", &self.name);
++ formatter.field("ty", &self.ty);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for BinOp {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ BinOp::Add(v0) => {
++ let mut formatter = formatter.debug_tuple("Add");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Sub(v0) => {
++ let mut formatter = formatter.debug_tuple("Sub");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Mul(v0) => {
++ let mut formatter = formatter.debug_tuple("Mul");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Div(v0) => {
++ let mut formatter = formatter.debug_tuple("Div");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Rem(v0) => {
++ let mut formatter = formatter.debug_tuple("Rem");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::And(v0) => {
++ let mut formatter = formatter.debug_tuple("And");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Or(v0) => {
++ let mut formatter = formatter.debug_tuple("Or");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::BitXor(v0) => {
++ let mut formatter = formatter.debug_tuple("BitXor");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::BitAnd(v0) => {
++ let mut formatter = formatter.debug_tuple("BitAnd");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::BitOr(v0) => {
++ let mut formatter = formatter.debug_tuple("BitOr");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Shl(v0) => {
++ let mut formatter = formatter.debug_tuple("Shl");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Shr(v0) => {
++ let mut formatter = formatter.debug_tuple("Shr");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Eq(v0) => {
++ let mut formatter = formatter.debug_tuple("Eq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Lt(v0) => {
++ let mut formatter = formatter.debug_tuple("Lt");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Le(v0) => {
++ let mut formatter = formatter.debug_tuple("Le");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Ne(v0) => {
++ let mut formatter = formatter.debug_tuple("Ne");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Ge(v0) => {
++ let mut formatter = formatter.debug_tuple("Ge");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::Gt(v0) => {
++ let mut formatter = formatter.debug_tuple("Gt");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::AddEq(v0) => {
++ let mut formatter = formatter.debug_tuple("AddEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::SubEq(v0) => {
++ let mut formatter = formatter.debug_tuple("SubEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::MulEq(v0) => {
++ let mut formatter = formatter.debug_tuple("MulEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::DivEq(v0) => {
++ let mut formatter = formatter.debug_tuple("DivEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::RemEq(v0) => {
++ let mut formatter = formatter.debug_tuple("RemEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::BitXorEq(v0) => {
++ let mut formatter = formatter.debug_tuple("BitXorEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::BitAndEq(v0) => {
++ let mut formatter = formatter.debug_tuple("BitAndEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::BitOrEq(v0) => {
++ let mut formatter = formatter.debug_tuple("BitOrEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::ShlEq(v0) => {
++ let mut formatter = formatter.debug_tuple("ShlEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ BinOp::ShrEq(v0) => {
++ let mut formatter = formatter.debug_tuple("ShrEq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Binding {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Binding");
++ formatter.field("ident", &self.ident);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("ty", &self.ty);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Block {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Block");
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("stmts", &self.stmts);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for BoundLifetimes {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("BoundLifetimes");
++ formatter.field("for_token", &self.for_token);
++ formatter.field("lt_token", &self.lt_token);
++ formatter.field("lifetimes", &self.lifetimes);
++ formatter.field("gt_token", &self.gt_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ConstParam {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ConstParam");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("const_token", &self.const_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("default", &self.default);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Constraint {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Constraint");
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "derive")]
++impl Debug for Data {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Data::Struct(v0) => {
++ let mut formatter = formatter.debug_tuple("Struct");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Data::Enum(v0) => {
++ let mut formatter = formatter.debug_tuple("Enum");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Data::Union(v0) => {
++ let mut formatter = formatter.debug_tuple("Union");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(feature = "derive")]
++impl Debug for DataEnum {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("DataEnum");
++ formatter.field("enum_token", &self.enum_token);
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("variants", &self.variants);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "derive")]
++impl Debug for DataStruct {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("DataStruct");
++ formatter.field("struct_token", &self.struct_token);
++ formatter.field("fields", &self.fields);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "derive")]
++impl Debug for DataUnion {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("DataUnion");
++ formatter.field("union_token", &self.union_token);
++ formatter.field("fields", &self.fields);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "derive")]
++impl Debug for DeriveInput {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("DeriveInput");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("data", &self.data);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Expr {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ #[cfg(feature = "full")]
++ Expr::Array(v0) => {
++ let mut formatter = formatter.debug_tuple("Array");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Assign(v0) => {
++ let mut formatter = formatter.debug_tuple("Assign");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::AssignOp(v0) => {
++ let mut formatter = formatter.debug_tuple("AssignOp");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Async(v0) => {
++ let mut formatter = formatter.debug_tuple("Async");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Await(v0) => {
++ let mut formatter = formatter.debug_tuple("Await");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Binary(v0) => {
++ let mut formatter = formatter.debug_tuple("Binary");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Block(v0) => {
++ let mut formatter = formatter.debug_tuple("Block");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Box(v0) => {
++ let mut formatter = formatter.debug_tuple("Box");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Break(v0) => {
++ let mut formatter = formatter.debug_tuple("Break");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Call(v0) => {
++ let mut formatter = formatter.debug_tuple("Call");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Cast(v0) => {
++ let mut formatter = formatter.debug_tuple("Cast");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Closure(v0) => {
++ let mut formatter = formatter.debug_tuple("Closure");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Continue(v0) => {
++ let mut formatter = formatter.debug_tuple("Continue");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Field(v0) => {
++ let mut formatter = formatter.debug_tuple("Field");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::ForLoop(v0) => {
++ let mut formatter = formatter.debug_tuple("ForLoop");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Group(v0) => {
++ let mut formatter = formatter.debug_tuple("Group");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::If(v0) => {
++ let mut formatter = formatter.debug_tuple("If");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Index(v0) => {
++ let mut formatter = formatter.debug_tuple("Index");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Let(v0) => {
++ let mut formatter = formatter.debug_tuple("Let");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Lit(v0) => {
++ let mut formatter = formatter.debug_tuple("Lit");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Loop(v0) => {
++ let mut formatter = formatter.debug_tuple("Loop");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Macro(v0) => {
++ let mut formatter = formatter.debug_tuple("Macro");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Match(v0) => {
++ let mut formatter = formatter.debug_tuple("Match");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::MethodCall(v0) => {
++ let mut formatter = formatter.debug_tuple("MethodCall");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Paren(v0) => {
++ let mut formatter = formatter.debug_tuple("Paren");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Path(v0) => {
++ let mut formatter = formatter.debug_tuple("Path");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Range(v0) => {
++ let mut formatter = formatter.debug_tuple("Range");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Reference(v0) => {
++ let mut formatter = formatter.debug_tuple("Reference");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Repeat(v0) => {
++ let mut formatter = formatter.debug_tuple("Repeat");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Return(v0) => {
++ let mut formatter = formatter.debug_tuple("Return");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Struct(v0) => {
++ let mut formatter = formatter.debug_tuple("Struct");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Try(v0) => {
++ let mut formatter = formatter.debug_tuple("Try");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::TryBlock(v0) => {
++ let mut formatter = formatter.debug_tuple("TryBlock");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Tuple(v0) => {
++ let mut formatter = formatter.debug_tuple("Tuple");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Unary(v0) => {
++ let mut formatter = formatter.debug_tuple("Unary");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Unsafe(v0) => {
++ let mut formatter = formatter.debug_tuple("Unsafe");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Expr::Verbatim(v0) => {
++ let mut formatter = formatter.debug_tuple("Verbatim");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::While(v0) => {
++ let mut formatter = formatter.debug_tuple("While");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ #[cfg(feature = "full")]
++ Expr::Yield(v0) => {
++ let mut formatter = formatter.debug_tuple("Yield");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprArray {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprArray");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("bracket_token", &self.bracket_token);
++ formatter.field("elems", &self.elems);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprAssign {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprAssign");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("left", &self.left);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("right", &self.right);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprAssignOp {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprAssignOp");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("left", &self.left);
++ formatter.field("op", &self.op);
++ formatter.field("right", &self.right);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprAsync {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprAsync");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("async_token", &self.async_token);
++ formatter.field("capture", &self.capture);
++ formatter.field("block", &self.block);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprAwait {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprAwait");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("base", &self.base);
++ formatter.field("dot_token", &self.dot_token);
++ formatter.field("await_token", &self.await_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprBinary {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprBinary");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("left", &self.left);
++ formatter.field("op", &self.op);
++ formatter.field("right", &self.right);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprBlock {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprBlock");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("label", &self.label);
++ formatter.field("block", &self.block);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprBox {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprBox");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("box_token", &self.box_token);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprBreak {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprBreak");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("break_token", &self.break_token);
++ formatter.field("label", &self.label);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprCall {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprCall");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("func", &self.func);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("args", &self.args);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprCast {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprCast");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("expr", &self.expr);
++ formatter.field("as_token", &self.as_token);
++ formatter.field("ty", &self.ty);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprClosure {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprClosure");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("asyncness", &self.asyncness);
++ formatter.field("movability", &self.movability);
++ formatter.field("capture", &self.capture);
++ formatter.field("or1_token", &self.or1_token);
++ formatter.field("inputs", &self.inputs);
++ formatter.field("or2_token", &self.or2_token);
++ formatter.field("output", &self.output);
++ formatter.field("body", &self.body);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprContinue {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprContinue");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("continue_token", &self.continue_token);
++ formatter.field("label", &self.label);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprField {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprField");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("base", &self.base);
++ formatter.field("dot_token", &self.dot_token);
++ formatter.field("member", &self.member);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprForLoop {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprForLoop");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("label", &self.label);
++ formatter.field("for_token", &self.for_token);
++ formatter.field("pat", &self.pat);
++ formatter.field("in_token", &self.in_token);
++ formatter.field("expr", &self.expr);
++ formatter.field("body", &self.body);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprGroup {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprGroup");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("group_token", &self.group_token);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprIf {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprIf");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("if_token", &self.if_token);
++ formatter.field("cond", &self.cond);
++ formatter.field("then_branch", &self.then_branch);
++ formatter.field("else_branch", &self.else_branch);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprIndex {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprIndex");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("expr", &self.expr);
++ formatter.field("bracket_token", &self.bracket_token);
++ formatter.field("index", &self.index);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprLet {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprLet");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("let_token", &self.let_token);
++ formatter.field("pat", &self.pat);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprLit {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprLit");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("lit", &self.lit);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprLoop {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprLoop");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("label", &self.label);
++ formatter.field("loop_token", &self.loop_token);
++ formatter.field("body", &self.body);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprMacro {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprMacro");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("mac", &self.mac);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprMatch {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprMatch");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("match_token", &self.match_token);
++ formatter.field("expr", &self.expr);
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("arms", &self.arms);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprMethodCall {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprMethodCall");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("receiver", &self.receiver);
++ formatter.field("dot_token", &self.dot_token);
++ formatter.field("method", &self.method);
++ formatter.field("turbofish", &self.turbofish);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("args", &self.args);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprParen {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprParen");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprPath {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprPath");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("qself", &self.qself);
++ formatter.field("path", &self.path);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprRange {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprRange");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("from", &self.from);
++ formatter.field("limits", &self.limits);
++ formatter.field("to", &self.to);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprReference {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprReference");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("and_token", &self.and_token);
++ formatter.field("raw", &self.raw);
++ formatter.field("mutability", &self.mutability);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprRepeat {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprRepeat");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("bracket_token", &self.bracket_token);
++ formatter.field("expr", &self.expr);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.field("len", &self.len);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprReturn {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprReturn");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("return_token", &self.return_token);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprStruct {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprStruct");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("path", &self.path);
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("fields", &self.fields);
++ formatter.field("dot2_token", &self.dot2_token);
++ formatter.field("rest", &self.rest);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprTry {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprTry");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("expr", &self.expr);
++ formatter.field("question_token", &self.question_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprTryBlock {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprTryBlock");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("try_token", &self.try_token);
++ formatter.field("block", &self.block);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprTuple {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprTuple");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("elems", &self.elems);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprType {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprType");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("expr", &self.expr);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ExprUnary {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprUnary");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("op", &self.op);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprUnsafe {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprUnsafe");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("unsafe_token", &self.unsafe_token);
++ formatter.field("block", &self.block);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprWhile {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprWhile");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("label", &self.label);
++ formatter.field("while_token", &self.while_token);
++ formatter.field("cond", &self.cond);
++ formatter.field("body", &self.body);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ExprYield {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ExprYield");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("yield_token", &self.yield_token);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Field {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Field");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for FieldPat {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("FieldPat");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("member", &self.member);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("pat", &self.pat);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for FieldValue {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("FieldValue");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("member", &self.member);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Fields {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Fields::Named(v0) => {
++ let mut formatter = formatter.debug_tuple("Named");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Fields::Unnamed(v0) => {
++ let mut formatter = formatter.debug_tuple("Unnamed");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Fields::Unit => formatter.write_str("Unit"),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for FieldsNamed {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("FieldsNamed");
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("named", &self.named);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for FieldsUnnamed {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("FieldsUnnamed");
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("unnamed", &self.unnamed);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for File {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("File");
++ formatter.field("shebang", &self.shebang);
++ formatter.field("attrs", &self.attrs);
++ formatter.field("items", &self.items);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for FnArg {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ FnArg::Receiver(v0) => {
++ let mut formatter = formatter.debug_tuple("Receiver");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ FnArg::Typed(v0) => {
++ let mut formatter = formatter.debug_tuple("Typed");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ForeignItem {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ ForeignItem::Fn(v0) => {
++ let mut formatter = formatter.debug_tuple("Fn");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ ForeignItem::Static(v0) => {
++ let mut formatter = formatter.debug_tuple("Static");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ ForeignItem::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ ForeignItem::Macro(v0) => {
++ let mut formatter = formatter.debug_tuple("Macro");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ ForeignItem::Verbatim(v0) => {
++ let mut formatter = formatter.debug_tuple("Verbatim");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ForeignItemFn {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ForeignItemFn");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("sig", &self.sig);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ForeignItemMacro {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ForeignItemMacro");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("mac", &self.mac);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ForeignItemStatic {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ForeignItemStatic");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("static_token", &self.static_token);
++ formatter.field("mutability", &self.mutability);
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ForeignItemType {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ForeignItemType");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("type_token", &self.type_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for GenericArgument {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ GenericArgument::Lifetime(v0) => {
++ let mut formatter = formatter.debug_tuple("Lifetime");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ GenericArgument::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ GenericArgument::Binding(v0) => {
++ let mut formatter = formatter.debug_tuple("Binding");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ GenericArgument::Constraint(v0) => {
++ let mut formatter = formatter.debug_tuple("Constraint");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ GenericArgument::Const(v0) => {
++ let mut formatter = formatter.debug_tuple("Const");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for GenericMethodArgument {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ GenericMethodArgument::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ GenericMethodArgument::Const(v0) => {
++ let mut formatter = formatter.debug_tuple("Const");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for GenericParam {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ GenericParam::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ GenericParam::Lifetime(v0) => {
++ let mut formatter = formatter.debug_tuple("Lifetime");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ GenericParam::Const(v0) => {
++ let mut formatter = formatter.debug_tuple("Const");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Generics {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Generics");
++ formatter.field("lt_token", &self.lt_token);
++ formatter.field("params", &self.params);
++ formatter.field("gt_token", &self.gt_token);
++ formatter.field("where_clause", &self.where_clause);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ImplItem {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ ImplItem::Const(v0) => {
++ let mut formatter = formatter.debug_tuple("Const");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ ImplItem::Method(v0) => {
++ let mut formatter = formatter.debug_tuple("Method");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ ImplItem::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ ImplItem::Macro(v0) => {
++ let mut formatter = formatter.debug_tuple("Macro");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ ImplItem::Verbatim(v0) => {
++ let mut formatter = formatter.debug_tuple("Verbatim");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ImplItemConst {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ImplItemConst");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("defaultness", &self.defaultness);
++ formatter.field("const_token", &self.const_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("expr", &self.expr);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ImplItemMacro {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ImplItemMacro");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("mac", &self.mac);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ImplItemMethod {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ImplItemMethod");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("defaultness", &self.defaultness);
++ formatter.field("sig", &self.sig);
++ formatter.field("block", &self.block);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ImplItemType {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ImplItemType");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("defaultness", &self.defaultness);
++ formatter.field("type_token", &self.type_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Index {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Index");
++ formatter.field("index", &self.index);
++ formatter.field("span", &self.span);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Item {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Item::Const(v0) => {
++ let mut formatter = formatter.debug_tuple("Const");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Enum(v0) => {
++ let mut formatter = formatter.debug_tuple("Enum");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::ExternCrate(v0) => {
++ let mut formatter = formatter.debug_tuple("ExternCrate");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Fn(v0) => {
++ let mut formatter = formatter.debug_tuple("Fn");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::ForeignMod(v0) => {
++ let mut formatter = formatter.debug_tuple("ForeignMod");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Impl(v0) => {
++ let mut formatter = formatter.debug_tuple("Impl");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Macro(v0) => {
++ let mut formatter = formatter.debug_tuple("Macro");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Macro2(v0) => {
++ let mut formatter = formatter.debug_tuple("Macro2");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Mod(v0) => {
++ let mut formatter = formatter.debug_tuple("Mod");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Static(v0) => {
++ let mut formatter = formatter.debug_tuple("Static");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Struct(v0) => {
++ let mut formatter = formatter.debug_tuple("Struct");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Trait(v0) => {
++ let mut formatter = formatter.debug_tuple("Trait");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::TraitAlias(v0) => {
++ let mut formatter = formatter.debug_tuple("TraitAlias");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Union(v0) => {
++ let mut formatter = formatter.debug_tuple("Union");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Use(v0) => {
++ let mut formatter = formatter.debug_tuple("Use");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Item::Verbatim(v0) => {
++ let mut formatter = formatter.debug_tuple("Verbatim");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemConst {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemConst");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("const_token", &self.const_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("expr", &self.expr);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemEnum {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemEnum");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("enum_token", &self.enum_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("variants", &self.variants);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemExternCrate {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemExternCrate");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("extern_token", &self.extern_token);
++ formatter.field("crate_token", &self.crate_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("rename", &self.rename);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemFn {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemFn");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("sig", &self.sig);
++ formatter.field("block", &self.block);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemForeignMod {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemForeignMod");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("abi", &self.abi);
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("items", &self.items);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemImpl {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemImpl");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("defaultness", &self.defaultness);
++ formatter.field("unsafety", &self.unsafety);
++ formatter.field("impl_token", &self.impl_token);
++ formatter.field("generics", &self.generics);
++ formatter.field("trait_", &self.trait_);
++ formatter.field("self_ty", &self.self_ty);
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("items", &self.items);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemMacro {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemMacro");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("ident", &self.ident);
++ formatter.field("mac", &self.mac);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemMacro2 {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemMacro2");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("macro_token", &self.macro_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("rules", &self.rules);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemMod {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemMod");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("mod_token", &self.mod_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("content", &self.content);
++ formatter.field("semi", &self.semi);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemStatic {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemStatic");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("static_token", &self.static_token);
++ formatter.field("mutability", &self.mutability);
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("expr", &self.expr);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemStruct {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemStruct");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("struct_token", &self.struct_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("fields", &self.fields);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemTrait {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemTrait");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("unsafety", &self.unsafety);
++ formatter.field("auto_token", &self.auto_token);
++ formatter.field("trait_token", &self.trait_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("supertraits", &self.supertraits);
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("items", &self.items);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemTraitAlias {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemTraitAlias");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("trait_token", &self.trait_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemType {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemType");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("type_token", &self.type_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemUnion {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemUnion");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("union_token", &self.union_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("fields", &self.fields);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for ItemUse {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ItemUse");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("vis", &self.vis);
++ formatter.field("use_token", &self.use_token);
++ formatter.field("leading_colon", &self.leading_colon);
++ formatter.field("tree", &self.tree);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Label {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Label");
++ formatter.field("name", &self.name);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.finish()
++ }
++}
++impl Debug for Lifetime {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Lifetime");
++ formatter.field("apostrophe", &self.apostrophe);
++ formatter.field("ident", &self.ident);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for LifetimeDef {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("LifetimeDef");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("lifetime", &self.lifetime);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.finish()
++ }
++}
++impl Debug for Lit {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Lit::Str(v0) => {
++ let mut formatter = formatter.debug_tuple("Str");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Lit::ByteStr(v0) => {
++ let mut formatter = formatter.debug_tuple("ByteStr");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Lit::Byte(v0) => {
++ let mut formatter = formatter.debug_tuple("Byte");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Lit::Char(v0) => {
++ let mut formatter = formatter.debug_tuple("Char");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Lit::Int(v0) => {
++ let mut formatter = formatter.debug_tuple("Int");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Lit::Float(v0) => {
++ let mut formatter = formatter.debug_tuple("Float");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Lit::Bool(v0) => {
++ let mut formatter = formatter.debug_tuple("Bool");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Lit::Verbatim(v0) => {
++ let mut formatter = formatter.debug_tuple("Verbatim");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Local {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Local");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("let_token", &self.let_token);
++ formatter.field("pat", &self.pat);
++ formatter.field("init", &self.init);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Macro {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Macro");
++ formatter.field("path", &self.path);
++ formatter.field("bang_token", &self.bang_token);
++ formatter.field("delimiter", &self.delimiter);
++ formatter.field("tokens", &self.tokens);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for MacroDelimiter {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ MacroDelimiter::Paren(v0) => {
++ let mut formatter = formatter.debug_tuple("Paren");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ MacroDelimiter::Brace(v0) => {
++ let mut formatter = formatter.debug_tuple("Brace");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ MacroDelimiter::Bracket(v0) => {
++ let mut formatter = formatter.debug_tuple("Bracket");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Member {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Member::Named(v0) => {
++ let mut formatter = formatter.debug_tuple("Named");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Member::Unnamed(v0) => {
++ let mut formatter = formatter.debug_tuple("Unnamed");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Meta {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Meta::Path(v0) => {
++ let mut formatter = formatter.debug_tuple("Path");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Meta::List(v0) => {
++ let mut formatter = formatter.debug_tuple("List");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Meta::NameValue(v0) => {
++ let mut formatter = formatter.debug_tuple("NameValue");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for MetaList {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("MetaList");
++ formatter.field("path", &self.path);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("nested", &self.nested);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for MetaNameValue {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("MetaNameValue");
++ formatter.field("path", &self.path);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("lit", &self.lit);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for MethodTurbofish {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("MethodTurbofish");
++ formatter.field("colon2_token", &self.colon2_token);
++ formatter.field("lt_token", &self.lt_token);
++ formatter.field("args", &self.args);
++ formatter.field("gt_token", &self.gt_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for NestedMeta {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ NestedMeta::Meta(v0) => {
++ let mut formatter = formatter.debug_tuple("Meta");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ NestedMeta::Lit(v0) => {
++ let mut formatter = formatter.debug_tuple("Lit");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ParenthesizedGenericArguments {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("ParenthesizedGenericArguments");
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("inputs", &self.inputs);
++ formatter.field("output", &self.output);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Pat {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Pat::Box(v0) => {
++ let mut formatter = formatter.debug_tuple("Box");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Ident(v0) => {
++ let mut formatter = formatter.debug_tuple("Ident");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Lit(v0) => {
++ let mut formatter = formatter.debug_tuple("Lit");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Macro(v0) => {
++ let mut formatter = formatter.debug_tuple("Macro");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Or(v0) => {
++ let mut formatter = formatter.debug_tuple("Or");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Path(v0) => {
++ let mut formatter = formatter.debug_tuple("Path");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Range(v0) => {
++ let mut formatter = formatter.debug_tuple("Range");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Reference(v0) => {
++ let mut formatter = formatter.debug_tuple("Reference");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Rest(v0) => {
++ let mut formatter = formatter.debug_tuple("Rest");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Slice(v0) => {
++ let mut formatter = formatter.debug_tuple("Slice");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Struct(v0) => {
++ let mut formatter = formatter.debug_tuple("Struct");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Tuple(v0) => {
++ let mut formatter = formatter.debug_tuple("Tuple");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::TupleStruct(v0) => {
++ let mut formatter = formatter.debug_tuple("TupleStruct");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Verbatim(v0) => {
++ let mut formatter = formatter.debug_tuple("Verbatim");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Pat::Wild(v0) => {
++ let mut formatter = formatter.debug_tuple("Wild");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatBox {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatBox");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("box_token", &self.box_token);
++ formatter.field("pat", &self.pat);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatIdent {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatIdent");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("by_ref", &self.by_ref);
++ formatter.field("mutability", &self.mutability);
++ formatter.field("ident", &self.ident);
++ formatter.field("subpat", &self.subpat);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatLit {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatLit");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("expr", &self.expr);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatMacro {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatMacro");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("mac", &self.mac);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatOr {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatOr");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("leading_vert", &self.leading_vert);
++ formatter.field("cases", &self.cases);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatPath {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatPath");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("qself", &self.qself);
++ formatter.field("path", &self.path);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatRange {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatRange");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("lo", &self.lo);
++ formatter.field("limits", &self.limits);
++ formatter.field("hi", &self.hi);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatReference {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatReference");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("and_token", &self.and_token);
++ formatter.field("mutability", &self.mutability);
++ formatter.field("pat", &self.pat);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatRest {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatRest");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("dot2_token", &self.dot2_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatSlice {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatSlice");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("bracket_token", &self.bracket_token);
++ formatter.field("elems", &self.elems);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatStruct {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatStruct");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("path", &self.path);
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("fields", &self.fields);
++ formatter.field("dot2_token", &self.dot2_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatTuple {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatTuple");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("elems", &self.elems);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatTupleStruct {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatTupleStruct");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("path", &self.path);
++ formatter.field("pat", &self.pat);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatType {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatType");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("pat", &self.pat);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for PatWild {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PatWild");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("underscore_token", &self.underscore_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Path {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Path");
++ formatter.field("leading_colon", &self.leading_colon);
++ formatter.field("segments", &self.segments);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for PathArguments {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ PathArguments::None => formatter.write_str("None"),
++ PathArguments::AngleBracketed(v0) => {
++ let mut formatter = formatter.debug_tuple("AngleBracketed");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ PathArguments::Parenthesized(v0) => {
++ let mut formatter = formatter.debug_tuple("Parenthesized");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for PathSegment {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PathSegment");
++ formatter.field("ident", &self.ident);
++ formatter.field("arguments", &self.arguments);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for PredicateEq {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PredicateEq");
++ formatter.field("lhs_ty", &self.lhs_ty);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("rhs_ty", &self.rhs_ty);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for PredicateLifetime {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PredicateLifetime");
++ formatter.field("lifetime", &self.lifetime);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for PredicateType {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("PredicateType");
++ formatter.field("lifetimes", &self.lifetimes);
++ formatter.field("bounded_ty", &self.bounded_ty);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for QSelf {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("QSelf");
++ formatter.field("lt_token", &self.lt_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("position", &self.position);
++ formatter.field("as_token", &self.as_token);
++ formatter.field("gt_token", &self.gt_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for RangeLimits {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ RangeLimits::HalfOpen(v0) => {
++ let mut formatter = formatter.debug_tuple("HalfOpen");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ RangeLimits::Closed(v0) => {
++ let mut formatter = formatter.debug_tuple("Closed");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Receiver {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Receiver");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("reference", &self.reference);
++ formatter.field("mutability", &self.mutability);
++ formatter.field("self_token", &self.self_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for ReturnType {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ ReturnType::Default => formatter.write_str("Default"),
++ ReturnType::Type(v0, v1) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.field(v1);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Signature {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Signature");
++ formatter.field("constness", &self.constness);
++ formatter.field("asyncness", &self.asyncness);
++ formatter.field("unsafety", &self.unsafety);
++ formatter.field("abi", &self.abi);
++ formatter.field("fn_token", &self.fn_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("inputs", &self.inputs);
++ formatter.field("variadic", &self.variadic);
++ formatter.field("output", &self.output);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for Stmt {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Stmt::Local(v0) => {
++ let mut formatter = formatter.debug_tuple("Local");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Stmt::Item(v0) => {
++ let mut formatter = formatter.debug_tuple("Item");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Stmt::Expr(v0) => {
++ let mut formatter = formatter.debug_tuple("Expr");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Stmt::Semi(v0, v1) => {
++ let mut formatter = formatter.debug_tuple("Semi");
++ formatter.field(v0);
++ formatter.field(v1);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TraitBound {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TraitBound");
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("modifier", &self.modifier);
++ formatter.field("lifetimes", &self.lifetimes);
++ formatter.field("path", &self.path);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TraitBoundModifier {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ TraitBoundModifier::None => formatter.write_str("None"),
++ TraitBoundModifier::Maybe(v0) => {
++ let mut formatter = formatter.debug_tuple("Maybe");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for TraitItem {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ TraitItem::Const(v0) => {
++ let mut formatter = formatter.debug_tuple("Const");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ TraitItem::Method(v0) => {
++ let mut formatter = formatter.debug_tuple("Method");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ TraitItem::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ TraitItem::Macro(v0) => {
++ let mut formatter = formatter.debug_tuple("Macro");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ TraitItem::Verbatim(v0) => {
++ let mut formatter = formatter.debug_tuple("Verbatim");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for TraitItemConst {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TraitItemConst");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("const_token", &self.const_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("ty", &self.ty);
++ formatter.field("default", &self.default);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for TraitItemMacro {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TraitItemMacro");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("mac", &self.mac);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for TraitItemMethod {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TraitItemMethod");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("sig", &self.sig);
++ formatter.field("default", &self.default);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for TraitItemType {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TraitItemType");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("type_token", &self.type_token);
++ formatter.field("ident", &self.ident);
++ formatter.field("generics", &self.generics);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.field("default", &self.default);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Type {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Type::Array(v0) => {
++ let mut formatter = formatter.debug_tuple("Array");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::BareFn(v0) => {
++ let mut formatter = formatter.debug_tuple("BareFn");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Group(v0) => {
++ let mut formatter = formatter.debug_tuple("Group");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::ImplTrait(v0) => {
++ let mut formatter = formatter.debug_tuple("ImplTrait");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Infer(v0) => {
++ let mut formatter = formatter.debug_tuple("Infer");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Macro(v0) => {
++ let mut formatter = formatter.debug_tuple("Macro");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Never(v0) => {
++ let mut formatter = formatter.debug_tuple("Never");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Paren(v0) => {
++ let mut formatter = formatter.debug_tuple("Paren");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Path(v0) => {
++ let mut formatter = formatter.debug_tuple("Path");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Ptr(v0) => {
++ let mut formatter = formatter.debug_tuple("Ptr");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Reference(v0) => {
++ let mut formatter = formatter.debug_tuple("Reference");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Slice(v0) => {
++ let mut formatter = formatter.debug_tuple("Slice");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::TraitObject(v0) => {
++ let mut formatter = formatter.debug_tuple("TraitObject");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Tuple(v0) => {
++ let mut formatter = formatter.debug_tuple("Tuple");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Type::Verbatim(v0) => {
++ let mut formatter = formatter.debug_tuple("Verbatim");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeArray {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeArray");
++ formatter.field("bracket_token", &self.bracket_token);
++ formatter.field("elem", &self.elem);
++ formatter.field("semi_token", &self.semi_token);
++ formatter.field("len", &self.len);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeBareFn {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeBareFn");
++ formatter.field("lifetimes", &self.lifetimes);
++ formatter.field("unsafety", &self.unsafety);
++ formatter.field("abi", &self.abi);
++ formatter.field("fn_token", &self.fn_token);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("inputs", &self.inputs);
++ formatter.field("variadic", &self.variadic);
++ formatter.field("output", &self.output);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeGroup {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeGroup");
++ formatter.field("group_token", &self.group_token);
++ formatter.field("elem", &self.elem);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeImplTrait {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeImplTrait");
++ formatter.field("impl_token", &self.impl_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeInfer {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeInfer");
++ formatter.field("underscore_token", &self.underscore_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeMacro {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeMacro");
++ formatter.field("mac", &self.mac);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeNever {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeNever");
++ formatter.field("bang_token", &self.bang_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeParam {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeParam");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("ident", &self.ident);
++ formatter.field("colon_token", &self.colon_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.field("eq_token", &self.eq_token);
++ formatter.field("default", &self.default);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeParamBound {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ TypeParamBound::Trait(v0) => {
++ let mut formatter = formatter.debug_tuple("Trait");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ TypeParamBound::Lifetime(v0) => {
++ let mut formatter = formatter.debug_tuple("Lifetime");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeParen {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeParen");
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("elem", &self.elem);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypePath {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypePath");
++ formatter.field("qself", &self.qself);
++ formatter.field("path", &self.path);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypePtr {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypePtr");
++ formatter.field("star_token", &self.star_token);
++ formatter.field("const_token", &self.const_token);
++ formatter.field("mutability", &self.mutability);
++ formatter.field("elem", &self.elem);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeReference {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeReference");
++ formatter.field("and_token", &self.and_token);
++ formatter.field("lifetime", &self.lifetime);
++ formatter.field("mutability", &self.mutability);
++ formatter.field("elem", &self.elem);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeSlice {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeSlice");
++ formatter.field("bracket_token", &self.bracket_token);
++ formatter.field("elem", &self.elem);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeTraitObject {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeTraitObject");
++ formatter.field("dyn_token", &self.dyn_token);
++ formatter.field("bounds", &self.bounds);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for TypeTuple {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("TypeTuple");
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("elems", &self.elems);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for UnOp {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ UnOp::Deref(v0) => {
++ let mut formatter = formatter.debug_tuple("Deref");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ UnOp::Not(v0) => {
++ let mut formatter = formatter.debug_tuple("Not");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ UnOp::Neg(v0) => {
++ let mut formatter = formatter.debug_tuple("Neg");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for UseGlob {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("UseGlob");
++ formatter.field("star_token", &self.star_token);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for UseGroup {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("UseGroup");
++ formatter.field("brace_token", &self.brace_token);
++ formatter.field("items", &self.items);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for UseName {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("UseName");
++ formatter.field("ident", &self.ident);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for UsePath {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("UsePath");
++ formatter.field("ident", &self.ident);
++ formatter.field("colon2_token", &self.colon2_token);
++ formatter.field("tree", &self.tree);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for UseRename {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("UseRename");
++ formatter.field("ident", &self.ident);
++ formatter.field("as_token", &self.as_token);
++ formatter.field("rename", &self.rename);
++ formatter.finish()
++ }
++}
++#[cfg(feature = "full")]
++impl Debug for UseTree {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ UseTree::Path(v0) => {
++ let mut formatter = formatter.debug_tuple("Path");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ UseTree::Name(v0) => {
++ let mut formatter = formatter.debug_tuple("Name");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ UseTree::Rename(v0) => {
++ let mut formatter = formatter.debug_tuple("Rename");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ UseTree::Glob(v0) => {
++ let mut formatter = formatter.debug_tuple("Glob");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ UseTree::Group(v0) => {
++ let mut formatter = formatter.debug_tuple("Group");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Variadic {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Variadic");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("dots", &self.dots);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Variant {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("Variant");
++ formatter.field("attrs", &self.attrs);
++ formatter.field("ident", &self.ident);
++ formatter.field("fields", &self.fields);
++ formatter.field("discriminant", &self.discriminant);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for VisCrate {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("VisCrate");
++ formatter.field("crate_token", &self.crate_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for VisPublic {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("VisPublic");
++ formatter.field("pub_token", &self.pub_token);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for VisRestricted {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("VisRestricted");
++ formatter.field("pub_token", &self.pub_token);
++ formatter.field("paren_token", &self.paren_token);
++ formatter.field("in_token", &self.in_token);
++ formatter.field("path", &self.path);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for Visibility {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ Visibility::Public(v0) => {
++ let mut formatter = formatter.debug_tuple("Public");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Visibility::Crate(v0) => {
++ let mut formatter = formatter.debug_tuple("Crate");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Visibility::Restricted(v0) => {
++ let mut formatter = formatter.debug_tuple("Restricted");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ Visibility::Inherited => formatter.write_str("Inherited"),
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for WhereClause {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ let mut formatter = formatter.debug_struct("WhereClause");
++ formatter.field("where_token", &self.where_token);
++ formatter.field("predicates", &self.predicates);
++ formatter.finish()
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Debug for WherePredicate {
++ fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
++ match self {
++ WherePredicate::Type(v0) => {
++ let mut formatter = formatter.debug_tuple("Type");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ WherePredicate::Lifetime(v0) => {
++ let mut formatter = formatter.debug_tuple("Lifetime");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ WherePredicate::Eq(v0) => {
++ let mut formatter = formatter.debug_tuple("Eq");
++ formatter.field(v0);
++ formatter.finish()
++ }
++ }
++ }
++}
+diff --git a/third_party/rust/syn/src/gen/eq.rs b/third_party/rust/syn/src/gen/eq.rs
+new file mode 100644
+index 0000000000..15b2bcbbde
+--- /dev/null
++++ b/third_party/rust/syn/src/gen/eq.rs
+@@ -0,0 +1,1930 @@
++// This file is @generated by syn-internal-codegen.
++// It is not intended for manual editing.
++
++#[cfg(any(feature = "derive", feature = "full"))]
++use crate::tt::TokenStreamHelper;
++use crate::*;
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Abi {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Abi {
++ fn eq(&self, other: &Self) -> bool {
++ self.name == other.name
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for AngleBracketedGenericArguments {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for AngleBracketedGenericArguments {
++ fn eq(&self, other: &Self) -> bool {
++ self.colon2_token == other.colon2_token && self.args == other.args
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for Arm {}
++#[cfg(feature = "full")]
++impl PartialEq for Arm {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.pat == other.pat
++ && self.guard == other.guard
++ && self.body == other.body
++ && self.comma == other.comma
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for AttrStyle {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for AttrStyle {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (AttrStyle::Outer, AttrStyle::Outer) => true,
++ (AttrStyle::Inner(_), AttrStyle::Inner(_)) => true,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Attribute {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Attribute {
++ fn eq(&self, other: &Self) -> bool {
++ self.style == other.style
++ && self.path == other.path
++ && TokenStreamHelper(&self.tokens) == TokenStreamHelper(&other.tokens)
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for BareFnArg {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for BareFnArg {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.name == other.name && self.ty == other.ty
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for BinOp {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for BinOp {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (BinOp::Add(_), BinOp::Add(_)) => true,
++ (BinOp::Sub(_), BinOp::Sub(_)) => true,
++ (BinOp::Mul(_), BinOp::Mul(_)) => true,
++ (BinOp::Div(_), BinOp::Div(_)) => true,
++ (BinOp::Rem(_), BinOp::Rem(_)) => true,
++ (BinOp::And(_), BinOp::And(_)) => true,
++ (BinOp::Or(_), BinOp::Or(_)) => true,
++ (BinOp::BitXor(_), BinOp::BitXor(_)) => true,
++ (BinOp::BitAnd(_), BinOp::BitAnd(_)) => true,
++ (BinOp::BitOr(_), BinOp::BitOr(_)) => true,
++ (BinOp::Shl(_), BinOp::Shl(_)) => true,
++ (BinOp::Shr(_), BinOp::Shr(_)) => true,
++ (BinOp::Eq(_), BinOp::Eq(_)) => true,
++ (BinOp::Lt(_), BinOp::Lt(_)) => true,
++ (BinOp::Le(_), BinOp::Le(_)) => true,
++ (BinOp::Ne(_), BinOp::Ne(_)) => true,
++ (BinOp::Ge(_), BinOp::Ge(_)) => true,
++ (BinOp::Gt(_), BinOp::Gt(_)) => true,
++ (BinOp::AddEq(_), BinOp::AddEq(_)) => true,
++ (BinOp::SubEq(_), BinOp::SubEq(_)) => true,
++ (BinOp::MulEq(_), BinOp::MulEq(_)) => true,
++ (BinOp::DivEq(_), BinOp::DivEq(_)) => true,
++ (BinOp::RemEq(_), BinOp::RemEq(_)) => true,
++ (BinOp::BitXorEq(_), BinOp::BitXorEq(_)) => true,
++ (BinOp::BitAndEq(_), BinOp::BitAndEq(_)) => true,
++ (BinOp::BitOrEq(_), BinOp::BitOrEq(_)) => true,
++ (BinOp::ShlEq(_), BinOp::ShlEq(_)) => true,
++ (BinOp::ShrEq(_), BinOp::ShrEq(_)) => true,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Binding {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Binding {
++ fn eq(&self, other: &Self) -> bool {
++ self.ident == other.ident && self.ty == other.ty
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for Block {}
++#[cfg(feature = "full")]
++impl PartialEq for Block {
++ fn eq(&self, other: &Self) -> bool {
++ self.stmts == other.stmts
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for BoundLifetimes {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for BoundLifetimes {
++ fn eq(&self, other: &Self) -> bool {
++ self.lifetimes == other.lifetimes
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ConstParam {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ConstParam {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.ident == other.ident
++ && self.ty == other.ty
++ && self.eq_token == other.eq_token
++ && self.default == other.default
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Constraint {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Constraint {
++ fn eq(&self, other: &Self) -> bool {
++ self.ident == other.ident && self.bounds == other.bounds
++ }
++}
++#[cfg(feature = "derive")]
++impl Eq for Data {}
++#[cfg(feature = "derive")]
++impl PartialEq for Data {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Data::Struct(self0), Data::Struct(other0)) => self0 == other0,
++ (Data::Enum(self0), Data::Enum(other0)) => self0 == other0,
++ (Data::Union(self0), Data::Union(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "derive")]
++impl Eq for DataEnum {}
++#[cfg(feature = "derive")]
++impl PartialEq for DataEnum {
++ fn eq(&self, other: &Self) -> bool {
++ self.variants == other.variants
++ }
++}
++#[cfg(feature = "derive")]
++impl Eq for DataStruct {}
++#[cfg(feature = "derive")]
++impl PartialEq for DataStruct {
++ fn eq(&self, other: &Self) -> bool {
++ self.fields == other.fields && self.semi_token == other.semi_token
++ }
++}
++#[cfg(feature = "derive")]
++impl Eq for DataUnion {}
++#[cfg(feature = "derive")]
++impl PartialEq for DataUnion {
++ fn eq(&self, other: &Self) -> bool {
++ self.fields == other.fields
++ }
++}
++#[cfg(feature = "derive")]
++impl Eq for DeriveInput {}
++#[cfg(feature = "derive")]
++impl PartialEq for DeriveInput {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.data == other.data
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Expr {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Expr {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ #[cfg(feature = "full")]
++ (Expr::Array(self0), Expr::Array(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Assign(self0), Expr::Assign(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::AssignOp(self0), Expr::AssignOp(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Async(self0), Expr::Async(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Await(self0), Expr::Await(other0)) => self0 == other0,
++ (Expr::Binary(self0), Expr::Binary(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Block(self0), Expr::Block(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Box(self0), Expr::Box(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Break(self0), Expr::Break(other0)) => self0 == other0,
++ (Expr::Call(self0), Expr::Call(other0)) => self0 == other0,
++ (Expr::Cast(self0), Expr::Cast(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Closure(self0), Expr::Closure(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Continue(self0), Expr::Continue(other0)) => self0 == other0,
++ (Expr::Field(self0), Expr::Field(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::ForLoop(self0), Expr::ForLoop(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Group(self0), Expr::Group(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::If(self0), Expr::If(other0)) => self0 == other0,
++ (Expr::Index(self0), Expr::Index(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Let(self0), Expr::Let(other0)) => self0 == other0,
++ (Expr::Lit(self0), Expr::Lit(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Loop(self0), Expr::Loop(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Macro(self0), Expr::Macro(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Match(self0), Expr::Match(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::MethodCall(self0), Expr::MethodCall(other0)) => self0 == other0,
++ (Expr::Paren(self0), Expr::Paren(other0)) => self0 == other0,
++ (Expr::Path(self0), Expr::Path(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Range(self0), Expr::Range(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Reference(self0), Expr::Reference(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Repeat(self0), Expr::Repeat(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Return(self0), Expr::Return(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Struct(self0), Expr::Struct(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Try(self0), Expr::Try(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::TryBlock(self0), Expr::TryBlock(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Tuple(self0), Expr::Tuple(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Type(self0), Expr::Type(other0)) => self0 == other0,
++ (Expr::Unary(self0), Expr::Unary(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Unsafe(self0), Expr::Unsafe(other0)) => self0 == other0,
++ (Expr::Verbatim(self0), Expr::Verbatim(other0)) => {
++ TokenStreamHelper(self0) == TokenStreamHelper(other0)
++ }
++ #[cfg(feature = "full")]
++ (Expr::While(self0), Expr::While(other0)) => self0 == other0,
++ #[cfg(feature = "full")]
++ (Expr::Yield(self0), Expr::Yield(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprArray {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprArray {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.elems == other.elems
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprAssign {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprAssign {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.left == other.left && self.right == other.right
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprAssignOp {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprAssignOp {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.left == other.left
++ && self.op == other.op
++ && self.right == other.right
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprAsync {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprAsync {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.capture == other.capture && self.block == other.block
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprAwait {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprAwait {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.base == other.base
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprBinary {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprBinary {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.left == other.left
++ && self.op == other.op
++ && self.right == other.right
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprBlock {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprBlock {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.label == other.label && self.block == other.block
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprBox {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprBox {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprBreak {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprBreak {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.label == other.label && self.expr == other.expr
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprCall {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprCall {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.func == other.func && self.args == other.args
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprCast {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprCast {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr && self.ty == other.ty
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprClosure {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprClosure {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.asyncness == other.asyncness
++ && self.movability == other.movability
++ && self.capture == other.capture
++ && self.inputs == other.inputs
++ && self.output == other.output
++ && self.body == other.body
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprContinue {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprContinue {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.label == other.label
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprField {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprField {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.base == other.base && self.member == other.member
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprForLoop {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprForLoop {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.label == other.label
++ && self.pat == other.pat
++ && self.expr == other.expr
++ && self.body == other.body
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprGroup {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprGroup {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprIf {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprIf {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.cond == other.cond
++ && self.then_branch == other.then_branch
++ && self.else_branch == other.else_branch
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprIndex {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprIndex {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr && self.index == other.index
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprLet {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprLet {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.pat == other.pat && self.expr == other.expr
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprLit {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprLit {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.lit == other.lit
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprLoop {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprLoop {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.label == other.label && self.body == other.body
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprMacro {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprMacro {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.mac == other.mac
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprMatch {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprMatch {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr && self.arms == other.arms
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprMethodCall {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprMethodCall {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.receiver == other.receiver
++ && self.method == other.method
++ && self.turbofish == other.turbofish
++ && self.args == other.args
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprParen {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprParen {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprPath {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprPath {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.qself == other.qself && self.path == other.path
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprRange {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprRange {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.from == other.from
++ && self.limits == other.limits
++ && self.to == other.to
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprReference {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprReference {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.mutability == other.mutability && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprRepeat {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprRepeat {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr && self.len == other.len
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprReturn {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprReturn {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprStruct {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprStruct {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.path == other.path
++ && self.fields == other.fields
++ && self.dot2_token == other.dot2_token
++ && self.rest == other.rest
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprTry {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprTry {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprTryBlock {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprTryBlock {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.block == other.block
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprTuple {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprTuple {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.elems == other.elems
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprType {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprType {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr && self.ty == other.ty
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ExprUnary {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ExprUnary {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.op == other.op && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprUnsafe {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprUnsafe {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.block == other.block
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprWhile {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprWhile {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.label == other.label
++ && self.cond == other.cond
++ && self.body == other.body
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ExprYield {}
++#[cfg(feature = "full")]
++impl PartialEq for ExprYield {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Field {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Field {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.colon_token == other.colon_token
++ && self.ty == other.ty
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for FieldPat {}
++#[cfg(feature = "full")]
++impl PartialEq for FieldPat {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.member == other.member
++ && self.colon_token == other.colon_token
++ && self.pat == other.pat
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for FieldValue {}
++#[cfg(feature = "full")]
++impl PartialEq for FieldValue {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.member == other.member
++ && self.colon_token == other.colon_token
++ && self.expr == other.expr
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Fields {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Fields {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Fields::Named(self0), Fields::Named(other0)) => self0 == other0,
++ (Fields::Unnamed(self0), Fields::Unnamed(other0)) => self0 == other0,
++ (Fields::Unit, Fields::Unit) => true,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for FieldsNamed {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for FieldsNamed {
++ fn eq(&self, other: &Self) -> bool {
++ self.named == other.named
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for FieldsUnnamed {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for FieldsUnnamed {
++ fn eq(&self, other: &Self) -> bool {
++ self.unnamed == other.unnamed
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for File {}
++#[cfg(feature = "full")]
++impl PartialEq for File {
++ fn eq(&self, other: &Self) -> bool {
++ self.shebang == other.shebang && self.attrs == other.attrs && self.items == other.items
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for FnArg {}
++#[cfg(feature = "full")]
++impl PartialEq for FnArg {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (FnArg::Receiver(self0), FnArg::Receiver(other0)) => self0 == other0,
++ (FnArg::Typed(self0), FnArg::Typed(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ForeignItem {}
++#[cfg(feature = "full")]
++impl PartialEq for ForeignItem {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (ForeignItem::Fn(self0), ForeignItem::Fn(other0)) => self0 == other0,
++ (ForeignItem::Static(self0), ForeignItem::Static(other0)) => self0 == other0,
++ (ForeignItem::Type(self0), ForeignItem::Type(other0)) => self0 == other0,
++ (ForeignItem::Macro(self0), ForeignItem::Macro(other0)) => self0 == other0,
++ (ForeignItem::Verbatim(self0), ForeignItem::Verbatim(other0)) => {
++ TokenStreamHelper(self0) == TokenStreamHelper(other0)
++ }
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ForeignItemFn {}
++#[cfg(feature = "full")]
++impl PartialEq for ForeignItemFn {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.vis == other.vis && self.sig == other.sig
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ForeignItemMacro {}
++#[cfg(feature = "full")]
++impl PartialEq for ForeignItemMacro {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.mac == other.mac && self.semi_token == other.semi_token
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ForeignItemStatic {}
++#[cfg(feature = "full")]
++impl PartialEq for ForeignItemStatic {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.mutability == other.mutability
++ && self.ident == other.ident
++ && self.ty == other.ty
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ForeignItemType {}
++#[cfg(feature = "full")]
++impl PartialEq for ForeignItemType {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.vis == other.vis && self.ident == other.ident
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for GenericArgument {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for GenericArgument {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (GenericArgument::Lifetime(self0), GenericArgument::Lifetime(other0)) => {
++ self0 == other0
++ }
++ (GenericArgument::Type(self0), GenericArgument::Type(other0)) => self0 == other0,
++ (GenericArgument::Binding(self0), GenericArgument::Binding(other0)) => self0 == other0,
++ (GenericArgument::Constraint(self0), GenericArgument::Constraint(other0)) => {
++ self0 == other0
++ }
++ (GenericArgument::Const(self0), GenericArgument::Const(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for GenericMethodArgument {}
++#[cfg(feature = "full")]
++impl PartialEq for GenericMethodArgument {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (GenericMethodArgument::Type(self0), GenericMethodArgument::Type(other0)) => {
++ self0 == other0
++ }
++ (GenericMethodArgument::Const(self0), GenericMethodArgument::Const(other0)) => {
++ self0 == other0
++ }
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for GenericParam {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for GenericParam {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (GenericParam::Type(self0), GenericParam::Type(other0)) => self0 == other0,
++ (GenericParam::Lifetime(self0), GenericParam::Lifetime(other0)) => self0 == other0,
++ (GenericParam::Const(self0), GenericParam::Const(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Generics {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Generics {
++ fn eq(&self, other: &Self) -> bool {
++ self.lt_token == other.lt_token
++ && self.params == other.params
++ && self.gt_token == other.gt_token
++ && self.where_clause == other.where_clause
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ImplItem {}
++#[cfg(feature = "full")]
++impl PartialEq for ImplItem {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (ImplItem::Const(self0), ImplItem::Const(other0)) => self0 == other0,
++ (ImplItem::Method(self0), ImplItem::Method(other0)) => self0 == other0,
++ (ImplItem::Type(self0), ImplItem::Type(other0)) => self0 == other0,
++ (ImplItem::Macro(self0), ImplItem::Macro(other0)) => self0 == other0,
++ (ImplItem::Verbatim(self0), ImplItem::Verbatim(other0)) => {
++ TokenStreamHelper(self0) == TokenStreamHelper(other0)
++ }
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ImplItemConst {}
++#[cfg(feature = "full")]
++impl PartialEq for ImplItemConst {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.defaultness == other.defaultness
++ && self.ident == other.ident
++ && self.ty == other.ty
++ && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ImplItemMacro {}
++#[cfg(feature = "full")]
++impl PartialEq for ImplItemMacro {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.mac == other.mac && self.semi_token == other.semi_token
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ImplItemMethod {}
++#[cfg(feature = "full")]
++impl PartialEq for ImplItemMethod {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.defaultness == other.defaultness
++ && self.sig == other.sig
++ && self.block == other.block
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ImplItemType {}
++#[cfg(feature = "full")]
++impl PartialEq for ImplItemType {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.defaultness == other.defaultness
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.ty == other.ty
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for Item {}
++#[cfg(feature = "full")]
++impl PartialEq for Item {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Item::Const(self0), Item::Const(other0)) => self0 == other0,
++ (Item::Enum(self0), Item::Enum(other0)) => self0 == other0,
++ (Item::ExternCrate(self0), Item::ExternCrate(other0)) => self0 == other0,
++ (Item::Fn(self0), Item::Fn(other0)) => self0 == other0,
++ (Item::ForeignMod(self0), Item::ForeignMod(other0)) => self0 == other0,
++ (Item::Impl(self0), Item::Impl(other0)) => self0 == other0,
++ (Item::Macro(self0), Item::Macro(other0)) => self0 == other0,
++ (Item::Macro2(self0), Item::Macro2(other0)) => self0 == other0,
++ (Item::Mod(self0), Item::Mod(other0)) => self0 == other0,
++ (Item::Static(self0), Item::Static(other0)) => self0 == other0,
++ (Item::Struct(self0), Item::Struct(other0)) => self0 == other0,
++ (Item::Trait(self0), Item::Trait(other0)) => self0 == other0,
++ (Item::TraitAlias(self0), Item::TraitAlias(other0)) => self0 == other0,
++ (Item::Type(self0), Item::Type(other0)) => self0 == other0,
++ (Item::Union(self0), Item::Union(other0)) => self0 == other0,
++ (Item::Use(self0), Item::Use(other0)) => self0 == other0,
++ (Item::Verbatim(self0), Item::Verbatim(other0)) => {
++ TokenStreamHelper(self0) == TokenStreamHelper(other0)
++ }
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemConst {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemConst {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.ty == other.ty
++ && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemEnum {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemEnum {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.variants == other.variants
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemExternCrate {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemExternCrate {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.rename == other.rename
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemFn {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemFn {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.sig == other.sig
++ && self.block == other.block
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemForeignMod {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemForeignMod {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.abi == other.abi && self.items == other.items
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemImpl {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemImpl {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.defaultness == other.defaultness
++ && self.unsafety == other.unsafety
++ && self.generics == other.generics
++ && self.trait_ == other.trait_
++ && self.self_ty == other.self_ty
++ && self.items == other.items
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemMacro {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemMacro {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.ident == other.ident
++ && self.mac == other.mac
++ && self.semi_token == other.semi_token
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemMacro2 {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemMacro2 {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && TokenStreamHelper(&self.rules) == TokenStreamHelper(&other.rules)
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemMod {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemMod {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.content == other.content
++ && self.semi == other.semi
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemStatic {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemStatic {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.mutability == other.mutability
++ && self.ident == other.ident
++ && self.ty == other.ty
++ && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemStruct {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemStruct {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.fields == other.fields
++ && self.semi_token == other.semi_token
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemTrait {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemTrait {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.unsafety == other.unsafety
++ && self.auto_token == other.auto_token
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.colon_token == other.colon_token
++ && self.supertraits == other.supertraits
++ && self.items == other.items
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemTraitAlias {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemTraitAlias {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.bounds == other.bounds
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemType {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemType {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.ty == other.ty
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemUnion {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemUnion {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.fields == other.fields
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for ItemUse {}
++#[cfg(feature = "full")]
++impl PartialEq for ItemUse {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.vis == other.vis
++ && self.leading_colon == other.leading_colon
++ && self.tree == other.tree
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for Label {}
++#[cfg(feature = "full")]
++impl PartialEq for Label {
++ fn eq(&self, other: &Self) -> bool {
++ self.name == other.name
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for LifetimeDef {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for LifetimeDef {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.lifetime == other.lifetime
++ && self.colon_token == other.colon_token
++ && self.bounds == other.bounds
++ }
++}
++impl Eq for Lit {}
++impl PartialEq for Lit {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Lit::Str(self0), Lit::Str(other0)) => self0 == other0,
++ (Lit::ByteStr(self0), Lit::ByteStr(other0)) => self0 == other0,
++ (Lit::Byte(self0), Lit::Byte(other0)) => self0 == other0,
++ (Lit::Char(self0), Lit::Char(other0)) => self0 == other0,
++ (Lit::Int(self0), Lit::Int(other0)) => self0 == other0,
++ (Lit::Float(self0), Lit::Float(other0)) => self0 == other0,
++ (Lit::Bool(self0), Lit::Bool(other0)) => self0 == other0,
++ (Lit::Verbatim(self0), Lit::Verbatim(other0)) => {
++ self0.to_string() == other0.to_string()
++ }
++ _ => false,
++ }
++ }
++}
++impl Eq for LitBool {}
++impl PartialEq for LitBool {
++ fn eq(&self, other: &Self) -> bool {
++ self.value == other.value
++ }
++}
++impl Eq for LitByte {}
++impl Eq for LitByteStr {}
++impl Eq for LitChar {}
++impl Eq for LitFloat {}
++impl Eq for LitInt {}
++impl Eq for LitStr {}
++#[cfg(feature = "full")]
++impl Eq for Local {}
++#[cfg(feature = "full")]
++impl PartialEq for Local {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.pat == other.pat && self.init == other.init
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Macro {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Macro {
++ fn eq(&self, other: &Self) -> bool {
++ self.path == other.path
++ && self.delimiter == other.delimiter
++ && TokenStreamHelper(&self.tokens) == TokenStreamHelper(&other.tokens)
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for MacroDelimiter {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for MacroDelimiter {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (MacroDelimiter::Paren(_), MacroDelimiter::Paren(_)) => true,
++ (MacroDelimiter::Brace(_), MacroDelimiter::Brace(_)) => true,
++ (MacroDelimiter::Bracket(_), MacroDelimiter::Bracket(_)) => true,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Meta {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Meta {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Meta::Path(self0), Meta::Path(other0)) => self0 == other0,
++ (Meta::List(self0), Meta::List(other0)) => self0 == other0,
++ (Meta::NameValue(self0), Meta::NameValue(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for MetaList {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for MetaList {
++ fn eq(&self, other: &Self) -> bool {
++ self.path == other.path && self.nested == other.nested
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for MetaNameValue {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for MetaNameValue {
++ fn eq(&self, other: &Self) -> bool {
++ self.path == other.path && self.lit == other.lit
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for MethodTurbofish {}
++#[cfg(feature = "full")]
++impl PartialEq for MethodTurbofish {
++ fn eq(&self, other: &Self) -> bool {
++ self.args == other.args
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for NestedMeta {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for NestedMeta {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (NestedMeta::Meta(self0), NestedMeta::Meta(other0)) => self0 == other0,
++ (NestedMeta::Lit(self0), NestedMeta::Lit(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ParenthesizedGenericArguments {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ParenthesizedGenericArguments {
++ fn eq(&self, other: &Self) -> bool {
++ self.inputs == other.inputs && self.output == other.output
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for Pat {}
++#[cfg(feature = "full")]
++impl PartialEq for Pat {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Pat::Box(self0), Pat::Box(other0)) => self0 == other0,
++ (Pat::Ident(self0), Pat::Ident(other0)) => self0 == other0,
++ (Pat::Lit(self0), Pat::Lit(other0)) => self0 == other0,
++ (Pat::Macro(self0), Pat::Macro(other0)) => self0 == other0,
++ (Pat::Or(self0), Pat::Or(other0)) => self0 == other0,
++ (Pat::Path(self0), Pat::Path(other0)) => self0 == other0,
++ (Pat::Range(self0), Pat::Range(other0)) => self0 == other0,
++ (Pat::Reference(self0), Pat::Reference(other0)) => self0 == other0,
++ (Pat::Rest(self0), Pat::Rest(other0)) => self0 == other0,
++ (Pat::Slice(self0), Pat::Slice(other0)) => self0 == other0,
++ (Pat::Struct(self0), Pat::Struct(other0)) => self0 == other0,
++ (Pat::Tuple(self0), Pat::Tuple(other0)) => self0 == other0,
++ (Pat::TupleStruct(self0), Pat::TupleStruct(other0)) => self0 == other0,
++ (Pat::Type(self0), Pat::Type(other0)) => self0 == other0,
++ (Pat::Verbatim(self0), Pat::Verbatim(other0)) => {
++ TokenStreamHelper(self0) == TokenStreamHelper(other0)
++ }
++ (Pat::Wild(self0), Pat::Wild(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatBox {}
++#[cfg(feature = "full")]
++impl PartialEq for PatBox {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.pat == other.pat
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatIdent {}
++#[cfg(feature = "full")]
++impl PartialEq for PatIdent {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.by_ref == other.by_ref
++ && self.mutability == other.mutability
++ && self.ident == other.ident
++ && self.subpat == other.subpat
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatLit {}
++#[cfg(feature = "full")]
++impl PartialEq for PatLit {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.expr == other.expr
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatMacro {}
++#[cfg(feature = "full")]
++impl PartialEq for PatMacro {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.mac == other.mac
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatOr {}
++#[cfg(feature = "full")]
++impl PartialEq for PatOr {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.leading_vert == other.leading_vert
++ && self.cases == other.cases
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatPath {}
++#[cfg(feature = "full")]
++impl PartialEq for PatPath {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.qself == other.qself && self.path == other.path
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatRange {}
++#[cfg(feature = "full")]
++impl PartialEq for PatRange {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.lo == other.lo
++ && self.limits == other.limits
++ && self.hi == other.hi
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatReference {}
++#[cfg(feature = "full")]
++impl PartialEq for PatReference {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.mutability == other.mutability && self.pat == other.pat
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatRest {}
++#[cfg(feature = "full")]
++impl PartialEq for PatRest {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatSlice {}
++#[cfg(feature = "full")]
++impl PartialEq for PatSlice {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.elems == other.elems
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatStruct {}
++#[cfg(feature = "full")]
++impl PartialEq for PatStruct {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.path == other.path
++ && self.fields == other.fields
++ && self.dot2_token == other.dot2_token
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatTuple {}
++#[cfg(feature = "full")]
++impl PartialEq for PatTuple {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.elems == other.elems
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatTupleStruct {}
++#[cfg(feature = "full")]
++impl PartialEq for PatTupleStruct {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.path == other.path && self.pat == other.pat
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatType {}
++#[cfg(feature = "full")]
++impl PartialEq for PatType {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.pat == other.pat && self.ty == other.ty
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for PatWild {}
++#[cfg(feature = "full")]
++impl PartialEq for PatWild {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Path {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Path {
++ fn eq(&self, other: &Self) -> bool {
++ self.leading_colon == other.leading_colon && self.segments == other.segments
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for PathArguments {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for PathArguments {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (PathArguments::None, PathArguments::None) => true,
++ (PathArguments::AngleBracketed(self0), PathArguments::AngleBracketed(other0)) => {
++ self0 == other0
++ }
++ (PathArguments::Parenthesized(self0), PathArguments::Parenthesized(other0)) => {
++ self0 == other0
++ }
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for PathSegment {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for PathSegment {
++ fn eq(&self, other: &Self) -> bool {
++ self.ident == other.ident && self.arguments == other.arguments
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for PredicateEq {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for PredicateEq {
++ fn eq(&self, other: &Self) -> bool {
++ self.lhs_ty == other.lhs_ty && self.rhs_ty == other.rhs_ty
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for PredicateLifetime {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for PredicateLifetime {
++ fn eq(&self, other: &Self) -> bool {
++ self.lifetime == other.lifetime && self.bounds == other.bounds
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for PredicateType {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for PredicateType {
++ fn eq(&self, other: &Self) -> bool {
++ self.lifetimes == other.lifetimes
++ && self.bounded_ty == other.bounded_ty
++ && self.bounds == other.bounds
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for QSelf {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for QSelf {
++ fn eq(&self, other: &Self) -> bool {
++ self.ty == other.ty && self.position == other.position && self.as_token == other.as_token
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for RangeLimits {}
++#[cfg(feature = "full")]
++impl PartialEq for RangeLimits {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (RangeLimits::HalfOpen(_), RangeLimits::HalfOpen(_)) => true,
++ (RangeLimits::Closed(_), RangeLimits::Closed(_)) => true,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for Receiver {}
++#[cfg(feature = "full")]
++impl PartialEq for Receiver {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.reference == other.reference
++ && self.mutability == other.mutability
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for ReturnType {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for ReturnType {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (ReturnType::Default, ReturnType::Default) => true,
++ (ReturnType::Type(_, self1), ReturnType::Type(_, other1)) => self1 == other1,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for Signature {}
++#[cfg(feature = "full")]
++impl PartialEq for Signature {
++ fn eq(&self, other: &Self) -> bool {
++ self.constness == other.constness
++ && self.asyncness == other.asyncness
++ && self.unsafety == other.unsafety
++ && self.abi == other.abi
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.inputs == other.inputs
++ && self.variadic == other.variadic
++ && self.output == other.output
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for Stmt {}
++#[cfg(feature = "full")]
++impl PartialEq for Stmt {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Stmt::Local(self0), Stmt::Local(other0)) => self0 == other0,
++ (Stmt::Item(self0), Stmt::Item(other0)) => self0 == other0,
++ (Stmt::Expr(self0), Stmt::Expr(other0)) => self0 == other0,
++ (Stmt::Semi(self0, _), Stmt::Semi(other0, _)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TraitBound {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TraitBound {
++ fn eq(&self, other: &Self) -> bool {
++ self.paren_token == other.paren_token
++ && self.modifier == other.modifier
++ && self.lifetimes == other.lifetimes
++ && self.path == other.path
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TraitBoundModifier {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TraitBoundModifier {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (TraitBoundModifier::None, TraitBoundModifier::None) => true,
++ (TraitBoundModifier::Maybe(_), TraitBoundModifier::Maybe(_)) => true,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for TraitItem {}
++#[cfg(feature = "full")]
++impl PartialEq for TraitItem {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (TraitItem::Const(self0), TraitItem::Const(other0)) => self0 == other0,
++ (TraitItem::Method(self0), TraitItem::Method(other0)) => self0 == other0,
++ (TraitItem::Type(self0), TraitItem::Type(other0)) => self0 == other0,
++ (TraitItem::Macro(self0), TraitItem::Macro(other0)) => self0 == other0,
++ (TraitItem::Verbatim(self0), TraitItem::Verbatim(other0)) => {
++ TokenStreamHelper(self0) == TokenStreamHelper(other0)
++ }
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for TraitItemConst {}
++#[cfg(feature = "full")]
++impl PartialEq for TraitItemConst {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.ident == other.ident
++ && self.ty == other.ty
++ && self.default == other.default
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for TraitItemMacro {}
++#[cfg(feature = "full")]
++impl PartialEq for TraitItemMacro {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs && self.mac == other.mac && self.semi_token == other.semi_token
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for TraitItemMethod {}
++#[cfg(feature = "full")]
++impl PartialEq for TraitItemMethod {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.sig == other.sig
++ && self.default == other.default
++ && self.semi_token == other.semi_token
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for TraitItemType {}
++#[cfg(feature = "full")]
++impl PartialEq for TraitItemType {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.ident == other.ident
++ && self.generics == other.generics
++ && self.colon_token == other.colon_token
++ && self.bounds == other.bounds
++ && self.default == other.default
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Type {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Type {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Type::Array(self0), Type::Array(other0)) => self0 == other0,
++ (Type::BareFn(self0), Type::BareFn(other0)) => self0 == other0,
++ (Type::Group(self0), Type::Group(other0)) => self0 == other0,
++ (Type::ImplTrait(self0), Type::ImplTrait(other0)) => self0 == other0,
++ (Type::Infer(self0), Type::Infer(other0)) => self0 == other0,
++ (Type::Macro(self0), Type::Macro(other0)) => self0 == other0,
++ (Type::Never(self0), Type::Never(other0)) => self0 == other0,
++ (Type::Paren(self0), Type::Paren(other0)) => self0 == other0,
++ (Type::Path(self0), Type::Path(other0)) => self0 == other0,
++ (Type::Ptr(self0), Type::Ptr(other0)) => self0 == other0,
++ (Type::Reference(self0), Type::Reference(other0)) => self0 == other0,
++ (Type::Slice(self0), Type::Slice(other0)) => self0 == other0,
++ (Type::TraitObject(self0), Type::TraitObject(other0)) => self0 == other0,
++ (Type::Tuple(self0), Type::Tuple(other0)) => self0 == other0,
++ (Type::Verbatim(self0), Type::Verbatim(other0)) => {
++ TokenStreamHelper(self0) == TokenStreamHelper(other0)
++ }
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeArray {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeArray {
++ fn eq(&self, other: &Self) -> bool {
++ self.elem == other.elem && self.len == other.len
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeBareFn {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeBareFn {
++ fn eq(&self, other: &Self) -> bool {
++ self.lifetimes == other.lifetimes
++ && self.unsafety == other.unsafety
++ && self.abi == other.abi
++ && self.inputs == other.inputs
++ && self.variadic == other.variadic
++ && self.output == other.output
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeGroup {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeGroup {
++ fn eq(&self, other: &Self) -> bool {
++ self.elem == other.elem
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeImplTrait {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeImplTrait {
++ fn eq(&self, other: &Self) -> bool {
++ self.bounds == other.bounds
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeInfer {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeInfer {
++ fn eq(&self, _other: &Self) -> bool {
++ true
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeMacro {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeMacro {
++ fn eq(&self, other: &Self) -> bool {
++ self.mac == other.mac
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeNever {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeNever {
++ fn eq(&self, _other: &Self) -> bool {
++ true
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeParam {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeParam {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.ident == other.ident
++ && self.colon_token == other.colon_token
++ && self.bounds == other.bounds
++ && self.eq_token == other.eq_token
++ && self.default == other.default
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeParamBound {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeParamBound {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (TypeParamBound::Trait(self0), TypeParamBound::Trait(other0)) => self0 == other0,
++ (TypeParamBound::Lifetime(self0), TypeParamBound::Lifetime(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeParen {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeParen {
++ fn eq(&self, other: &Self) -> bool {
++ self.elem == other.elem
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypePath {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypePath {
++ fn eq(&self, other: &Self) -> bool {
++ self.qself == other.qself && self.path == other.path
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypePtr {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypePtr {
++ fn eq(&self, other: &Self) -> bool {
++ self.const_token == other.const_token
++ && self.mutability == other.mutability
++ && self.elem == other.elem
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeReference {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeReference {
++ fn eq(&self, other: &Self) -> bool {
++ self.lifetime == other.lifetime
++ && self.mutability == other.mutability
++ && self.elem == other.elem
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeSlice {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeSlice {
++ fn eq(&self, other: &Self) -> bool {
++ self.elem == other.elem
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeTraitObject {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeTraitObject {
++ fn eq(&self, other: &Self) -> bool {
++ self.dyn_token == other.dyn_token && self.bounds == other.bounds
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for TypeTuple {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for TypeTuple {
++ fn eq(&self, other: &Self) -> bool {
++ self.elems == other.elems
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for UnOp {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for UnOp {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (UnOp::Deref(_), UnOp::Deref(_)) => true,
++ (UnOp::Not(_), UnOp::Not(_)) => true,
++ (UnOp::Neg(_), UnOp::Neg(_)) => true,
++ _ => false,
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for UseGlob {}
++#[cfg(feature = "full")]
++impl PartialEq for UseGlob {
++ fn eq(&self, _other: &Self) -> bool {
++ true
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for UseGroup {}
++#[cfg(feature = "full")]
++impl PartialEq for UseGroup {
++ fn eq(&self, other: &Self) -> bool {
++ self.items == other.items
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for UseName {}
++#[cfg(feature = "full")]
++impl PartialEq for UseName {
++ fn eq(&self, other: &Self) -> bool {
++ self.ident == other.ident
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for UsePath {}
++#[cfg(feature = "full")]
++impl PartialEq for UsePath {
++ fn eq(&self, other: &Self) -> bool {
++ self.ident == other.ident && self.tree == other.tree
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for UseRename {}
++#[cfg(feature = "full")]
++impl PartialEq for UseRename {
++ fn eq(&self, other: &Self) -> bool {
++ self.ident == other.ident && self.rename == other.rename
++ }
++}
++#[cfg(feature = "full")]
++impl Eq for UseTree {}
++#[cfg(feature = "full")]
++impl PartialEq for UseTree {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (UseTree::Path(self0), UseTree::Path(other0)) => self0 == other0,
++ (UseTree::Name(self0), UseTree::Name(other0)) => self0 == other0,
++ (UseTree::Rename(self0), UseTree::Rename(other0)) => self0 == other0,
++ (UseTree::Glob(self0), UseTree::Glob(other0)) => self0 == other0,
++ (UseTree::Group(self0), UseTree::Group(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Variadic {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Variadic {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Variant {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Variant {
++ fn eq(&self, other: &Self) -> bool {
++ self.attrs == other.attrs
++ && self.ident == other.ident
++ && self.fields == other.fields
++ && self.discriminant == other.discriminant
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for VisCrate {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for VisCrate {
++ fn eq(&self, _other: &Self) -> bool {
++ true
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for VisPublic {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for VisPublic {
++ fn eq(&self, _other: &Self) -> bool {
++ true
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for VisRestricted {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for VisRestricted {
++ fn eq(&self, other: &Self) -> bool {
++ self.in_token == other.in_token && self.path == other.path
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for Visibility {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for Visibility {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (Visibility::Public(self0), Visibility::Public(other0)) => self0 == other0,
++ (Visibility::Crate(self0), Visibility::Crate(other0)) => self0 == other0,
++ (Visibility::Restricted(self0), Visibility::Restricted(other0)) => self0 == other0,
++ (Visibility::Inherited, Visibility::Inherited) => true,
++ _ => false,
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for WhereClause {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for WhereClause {
++ fn eq(&self, other: &Self) -> bool {
++ self.predicates == other.predicates
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Eq for WherePredicate {}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl PartialEq for WherePredicate {
++ fn eq(&self, other: &Self) -> bool {
++ match (self, other) {
++ (WherePredicate::Type(self0), WherePredicate::Type(other0)) => self0 == other0,
++ (WherePredicate::Lifetime(self0), WherePredicate::Lifetime(other0)) => self0 == other0,
++ (WherePredicate::Eq(self0), WherePredicate::Eq(other0)) => self0 == other0,
++ _ => false,
++ }
++ }
++}
+diff --git a/third_party/rust/syn/src/gen/fold.rs b/third_party/rust/syn/src/gen/fold.rs
+index f51218b78c..d9dd32a420 100644
+--- a/third_party/rust/syn/src/gen/fold.rs
++++ b/third_party/rust/syn/src/gen/fold.rs
+@@ -2,6 +2,7 @@
+ // It is not intended for manual editing.
+
+ #![allow(unreachable_code, unused_variables)]
++#![allow(clippy::match_wildcard_for_single_variants)]
+ #[cfg(any(feature = "full", feature = "derive"))]
+ use crate::gen::helper::fold::*;
+ #[cfg(any(feature = "full", feature = "derive"))]
+@@ -26,7 +27,7 @@ macro_rules! full {
+ ///
+ /// [module documentation]: self
+ ///
+-/// *This trait is available if Syn is built with the `"fold"` feature.*
++/// *This trait is available only if Syn is built with the `"fold"` feature.*
+ pub trait Fold {
+ #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_abi(&mut self, i: Abi) -> Abi {
+@@ -433,35 +434,27 @@ pub trait Fold {
+ fn fold_lifetime_def(&mut self, i: LifetimeDef) -> LifetimeDef {
+ fold_lifetime_def(self, i)
+ }
+- #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_lit(&mut self, i: Lit) -> Lit {
+ fold_lit(self, i)
+ }
+- #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_lit_bool(&mut self, i: LitBool) -> LitBool {
+ fold_lit_bool(self, i)
+ }
+- #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_lit_byte(&mut self, i: LitByte) -> LitByte {
+ fold_lit_byte(self, i)
+ }
+- #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_lit_byte_str(&mut self, i: LitByteStr) -> LitByteStr {
+ fold_lit_byte_str(self, i)
+ }
+- #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_lit_char(&mut self, i: LitChar) -> LitChar {
+ fold_lit_char(self, i)
+ }
+- #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_lit_float(&mut self, i: LitFloat) -> LitFloat {
+ fold_lit_float(self, i)
+ }
+- #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_lit_int(&mut self, i: LitInt) -> LitInt {
+ fold_lit_int(self, i)
+ }
+- #[cfg(any(feature = "derive", feature = "full"))]
+ fn fold_lit_str(&mut self, i: LitStr) -> LitStr {
+ fold_lit_str(self, i)
+ }
+@@ -799,10 +792,10 @@ where
+ F: Fold + ?Sized,
+ {
+ AngleBracketedGenericArguments {
+- colon2_token: (node.colon2_token).map(|it| Token ! [ :: ](tokens_helper(f, &it.spans))),
+- lt_token: Token ! [ < ](tokens_helper(f, &node.lt_token.spans)),
++ colon2_token: (node.colon2_token).map(|it| Token ! [::](tokens_helper(f, &it.spans))),
++ lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),
+ args: FoldHelper::lift(node.args, |it| f.fold_generic_argument(it)),
+- gt_token: Token ! [ > ](tokens_helper(f, &node.gt_token.spans)),
++ gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -819,9 +812,9 @@ where
+ Box::new(f.fold_expr(*(it).1)),
+ )
+ }),
+- fat_arrow_token: Token ! [ => ](tokens_helper(f, &node.fat_arrow_token.spans)),
++ fat_arrow_token: Token ! [=>](tokens_helper(f, &node.fat_arrow_token.spans)),
+ body: Box::new(f.fold_expr(*node.body)),
+- comma: (node.comma).map(|it| Token ! [ , ](tokens_helper(f, &it.spans))),
++ comma: (node.comma).map(|it| Token ! [,](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(any(feature = "derive", feature = "full"))]
+@@ -842,7 +835,7 @@ where
+ F: Fold + ?Sized,
+ {
+ Attribute {
+- pound_token: Token ! [ # ](tokens_helper(f, &node.pound_token.spans)),
++ pound_token: Token ! [#](tokens_helper(f, &node.pound_token.spans)),
+ style: f.fold_attr_style(node.style),
+ bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),
+ path: f.fold_path(node.path),
+@@ -859,7 +852,7 @@ where
+ name: (node.name).map(|it| {
+ (
+ f.fold_ident((it).0),
+- Token ! [ : ](tokens_helper(f, &(it).1.spans)),
++ Token ! [:](tokens_helper(f, &(it).1.spans)),
+ )
+ }),
+ ty: f.fold_type(node.ty),
+@@ -871,59 +864,47 @@ where
+ F: Fold + ?Sized,
+ {
+ match node {
+- BinOp::Add(_binding_0) => BinOp::Add(Token ! [ + ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Sub(_binding_0) => BinOp::Sub(Token ! [ - ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Mul(_binding_0) => BinOp::Mul(Token ! [ * ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Div(_binding_0) => BinOp::Div(Token ! [ / ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Rem(_binding_0) => BinOp::Rem(Token ! [ % ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::And(_binding_0) => BinOp::And(Token ! [ && ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Or(_binding_0) => BinOp::Or(Token ! [ || ](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Add(_binding_0) => BinOp::Add(Token ! [+](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Sub(_binding_0) => BinOp::Sub(Token ! [-](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Mul(_binding_0) => BinOp::Mul(Token ! [*](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Div(_binding_0) => BinOp::Div(Token ! [/](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Rem(_binding_0) => BinOp::Rem(Token ! [%](tokens_helper(f, &_binding_0.spans))),
++ BinOp::And(_binding_0) => BinOp::And(Token ! [&&](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Or(_binding_0) => BinOp::Or(Token ! [||](tokens_helper(f, &_binding_0.spans))),
+ BinOp::BitXor(_binding_0) => {
+- BinOp::BitXor(Token ! [ ^ ](tokens_helper(f, &_binding_0.spans)))
++ BinOp::BitXor(Token ! [^](tokens_helper(f, &_binding_0.spans)))
+ }
+ BinOp::BitAnd(_binding_0) => {
+- BinOp::BitAnd(Token ! [ & ](tokens_helper(f, &_binding_0.spans)))
+- }
+- BinOp::BitOr(_binding_0) => {
+- BinOp::BitOr(Token ! [ | ](tokens_helper(f, &_binding_0.spans)))
+- }
+- BinOp::Shl(_binding_0) => BinOp::Shl(Token ! [ << ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Shr(_binding_0) => BinOp::Shr(Token ! [ >> ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Eq(_binding_0) => BinOp::Eq(Token ! [ == ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Lt(_binding_0) => BinOp::Lt(Token ! [ < ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Le(_binding_0) => BinOp::Le(Token ! [ <= ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Ne(_binding_0) => BinOp::Ne(Token ! [ != ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Ge(_binding_0) => BinOp::Ge(Token ! [ >= ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::Gt(_binding_0) => BinOp::Gt(Token ! [ > ](tokens_helper(f, &_binding_0.spans))),
+- BinOp::AddEq(_binding_0) => {
+- BinOp::AddEq(Token ! [ += ](tokens_helper(f, &_binding_0.spans)))
+- }
+- BinOp::SubEq(_binding_0) => {
+- BinOp::SubEq(Token ! [ -= ](tokens_helper(f, &_binding_0.spans)))
+- }
+- BinOp::MulEq(_binding_0) => {
+- BinOp::MulEq(Token ! [ *= ](tokens_helper(f, &_binding_0.spans)))
+- }
+- BinOp::DivEq(_binding_0) => {
+- BinOp::DivEq(Token ! [ /= ](tokens_helper(f, &_binding_0.spans)))
+- }
+- BinOp::RemEq(_binding_0) => {
+- BinOp::RemEq(Token ! [ %= ](tokens_helper(f, &_binding_0.spans)))
++ BinOp::BitAnd(Token ! [&](tokens_helper(f, &_binding_0.spans)))
+ }
++ BinOp::BitOr(_binding_0) => BinOp::BitOr(Token ! [|](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Shl(_binding_0) => BinOp::Shl(Token ! [<<](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Shr(_binding_0) => BinOp::Shr(Token ! [>>](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Eq(_binding_0) => BinOp::Eq(Token ! [==](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Lt(_binding_0) => BinOp::Lt(Token ! [<](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Le(_binding_0) => BinOp::Le(Token ! [<=](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Ne(_binding_0) => BinOp::Ne(Token ! [!=](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Ge(_binding_0) => BinOp::Ge(Token ! [>=](tokens_helper(f, &_binding_0.spans))),
++ BinOp::Gt(_binding_0) => BinOp::Gt(Token ! [>](tokens_helper(f, &_binding_0.spans))),
++ BinOp::AddEq(_binding_0) => BinOp::AddEq(Token ! [+=](tokens_helper(f, &_binding_0.spans))),
++ BinOp::SubEq(_binding_0) => BinOp::SubEq(Token ! [-=](tokens_helper(f, &_binding_0.spans))),
++ BinOp::MulEq(_binding_0) => BinOp::MulEq(Token ! [*=](tokens_helper(f, &_binding_0.spans))),
++ BinOp::DivEq(_binding_0) => BinOp::DivEq(Token ! [/=](tokens_helper(f, &_binding_0.spans))),
++ BinOp::RemEq(_binding_0) => BinOp::RemEq(Token ! [%=](tokens_helper(f, &_binding_0.spans))),
+ BinOp::BitXorEq(_binding_0) => {
+- BinOp::BitXorEq(Token ! [ ^= ](tokens_helper(f, &_binding_0.spans)))
++ BinOp::BitXorEq(Token ! [^=](tokens_helper(f, &_binding_0.spans)))
+ }
+ BinOp::BitAndEq(_binding_0) => {
+- BinOp::BitAndEq(Token ! [ &= ](tokens_helper(f, &_binding_0.spans)))
++ BinOp::BitAndEq(Token ! [&=](tokens_helper(f, &_binding_0.spans)))
+ }
+ BinOp::BitOrEq(_binding_0) => {
+- BinOp::BitOrEq(Token ! [ |= ](tokens_helper(f, &_binding_0.spans)))
++ BinOp::BitOrEq(Token ! [|=](tokens_helper(f, &_binding_0.spans)))
+ }
+ BinOp::ShlEq(_binding_0) => {
+- BinOp::ShlEq(Token ! [ <<= ](tokens_helper(f, &_binding_0.spans)))
++ BinOp::ShlEq(Token ! [<<=](tokens_helper(f, &_binding_0.spans)))
+ }
+ BinOp::ShrEq(_binding_0) => {
+- BinOp::ShrEq(Token ! [ >>= ](tokens_helper(f, &_binding_0.spans)))
++ BinOp::ShrEq(Token ! [>>=](tokens_helper(f, &_binding_0.spans)))
+ }
+ }
+ }
+@@ -934,7 +915,7 @@ where
+ {
+ Binding {
+ ident: f.fold_ident(node.ident),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ ty: f.fold_type(node.ty),
+ }
+ }
+@@ -955,9 +936,9 @@ where
+ {
+ BoundLifetimes {
+ for_token: Token![for](tokens_helper(f, &node.for_token.span)),
+- lt_token: Token ! [ < ](tokens_helper(f, &node.lt_token.spans)),
++ lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),
+ lifetimes: FoldHelper::lift(node.lifetimes, |it| f.fold_lifetime_def(it)),
+- gt_token: Token ! [ > ](tokens_helper(f, &node.gt_token.spans)),
++ gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),
+ }
+ }
+ #[cfg(any(feature = "derive", feature = "full"))]
+@@ -969,9 +950,9 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ const_token: Token![const](tokens_helper(f, &node.const_token.span)),
+ ident: f.fold_ident(node.ident),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ ty: f.fold_type(node.ty),
+- eq_token: (node.eq_token).map(|it| Token ! [ = ](tokens_helper(f, &it.spans))),
++ eq_token: (node.eq_token).map(|it| Token ! [=](tokens_helper(f, &it.spans))),
+ default: (node.default).map(|it| f.fold_expr(it)),
+ }
+ }
+@@ -982,7 +963,7 @@ where
+ {
+ Constraint {
+ ident: f.fold_ident(node.ident),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
+ }
+ }
+@@ -1016,7 +997,7 @@ where
+ DataStruct {
+ struct_token: Token![struct](tokens_helper(f, &node.struct_token.span)),
+ fields: f.fold_fields(node.fields),
+- semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
++ semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(feature = "derive")]
+@@ -1112,7 +1093,7 @@ where
+ ExprAssign {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ left: Box::new(f.fold_expr(*node.left)),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ right: Box::new(f.fold_expr(*node.right)),
+ }
+ }
+@@ -1148,7 +1129,7 @@ where
+ ExprAwait {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ base: Box::new(f.fold_expr(*node.base)),
+- dot_token: Token ! [ . ](tokens_helper(f, &node.dot_token.spans)),
++ dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),
+ await_token: crate::token::Await(tokens_helper(f, &node.await_token.span)),
+ }
+ }
+@@ -1232,9 +1213,9 @@ where
+ asyncness: (node.asyncness).map(|it| Token![async](tokens_helper(f, &it.span))),
+ movability: (node.movability).map(|it| Token![static](tokens_helper(f, &it.span))),
+ capture: (node.capture).map(|it| Token![move](tokens_helper(f, &it.span))),
+- or1_token: Token ! [ | ](tokens_helper(f, &node.or1_token.spans)),
++ or1_token: Token ! [|](tokens_helper(f, &node.or1_token.spans)),
+ inputs: FoldHelper::lift(node.inputs, |it| f.fold_pat(it)),
+- or2_token: Token ! [ | ](tokens_helper(f, &node.or2_token.spans)),
++ or2_token: Token ! [|](tokens_helper(f, &node.or2_token.spans)),
+ output: f.fold_return_type(node.output),
+ body: Box::new(f.fold_expr(*node.body)),
+ }
+@@ -1258,7 +1239,7 @@ where
+ ExprField {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ base: Box::new(f.fold_expr(*node.base)),
+- dot_token: Token ! [ . ](tokens_helper(f, &node.dot_token.spans)),
++ dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),
+ member: f.fold_member(node.member),
+ }
+ }
+@@ -1327,7 +1308,7 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ let_token: Token![let](tokens_helper(f, &node.let_token.span)),
+ pat: f.fold_pat(node.pat),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ expr: Box::new(f.fold_expr(*node.expr)),
+ }
+ }
+@@ -1384,7 +1365,7 @@ where
+ ExprMethodCall {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ receiver: Box::new(f.fold_expr(*node.receiver)),
+- dot_token: Token ! [ . ](tokens_helper(f, &node.dot_token.spans)),
++ dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),
+ method: f.fold_ident(node.method),
+ turbofish: (node.turbofish).map(|it| f.fold_method_turbofish(it)),
+ paren_token: Paren(tokens_helper(f, &node.paren_token.span)),
+@@ -1432,7 +1413,7 @@ where
+ {
+ ExprReference {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+- and_token: Token ! [ & ](tokens_helper(f, &node.and_token.spans)),
++ and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),
+ raw: node.raw,
+ mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
+ expr: Box::new(f.fold_expr(*node.expr)),
+@@ -1447,7 +1428,7 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),
+ expr: Box::new(f.fold_expr(*node.expr)),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ len: Box::new(f.fold_expr(*node.len)),
+ }
+ }
+@@ -1484,7 +1465,7 @@ where
+ ExprTry {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ expr: Box::new(f.fold_expr(*node.expr)),
+- question_token: Token ! [ ? ](tokens_helper(f, &node.question_token.spans)),
++ question_token: Token ! [?](tokens_helper(f, &node.question_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -1517,7 +1498,7 @@ where
+ ExprType {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ expr: Box::new(f.fold_expr(*node.expr)),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ ty: Box::new(f.fold_type(*node.ty)),
+ }
+ }
+@@ -1576,7 +1557,7 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ vis: f.fold_visibility(node.vis),
+ ident: (node.ident).map(|it| f.fold_ident(it)),
+- colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
++ colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
+ ty: f.fold_type(node.ty),
+ }
+ }
+@@ -1588,7 +1569,7 @@ where
+ FieldPat {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ member: f.fold_member(node.member),
+- colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
++ colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
+ pat: Box::new(f.fold_pat(*node.pat)),
+ }
+ }
+@@ -1600,7 +1581,7 @@ where
+ FieldValue {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ member: f.fold_member(node.member),
+- colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
++ colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
+ expr: f.fold_expr(node.expr),
+ }
+ }
+@@ -1681,7 +1662,7 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ vis: f.fold_visibility(node.vis),
+ sig: f.fold_signature(node.sig),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -1692,7 +1673,7 @@ where
+ ForeignItemMacro {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ mac: f.fold_macro(node.mac),
+- semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
++ semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -1706,9 +1687,9 @@ where
+ static_token: Token![static](tokens_helper(f, &node.static_token.span)),
+ mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
+ ident: f.fold_ident(node.ident),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ ty: Box::new(f.fold_type(*node.ty)),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -1721,7 +1702,7 @@ where
+ vis: f.fold_visibility(node.vis),
+ type_token: Token![type](tokens_helper(f, &node.type_token.span)),
+ ident: f.fold_ident(node.ident),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(any(feature = "derive", feature = "full"))]
+@@ -1779,9 +1760,9 @@ where
+ F: Fold + ?Sized,
+ {
+ Generics {
+- lt_token: (node.lt_token).map(|it| Token ! [ < ](tokens_helper(f, &it.spans))),
++ lt_token: (node.lt_token).map(|it| Token ! [<](tokens_helper(f, &it.spans))),
+ params: FoldHelper::lift(node.params, |it| f.fold_generic_param(it)),
+- gt_token: (node.gt_token).map(|it| Token ! [ > ](tokens_helper(f, &it.spans))),
++ gt_token: (node.gt_token).map(|it| Token ! [>](tokens_helper(f, &it.spans))),
+ where_clause: (node.where_clause).map(|it| f.fold_where_clause(it)),
+ }
+ }
+@@ -1819,11 +1800,11 @@ where
+ defaultness: (node.defaultness).map(|it| Token![default](tokens_helper(f, &it.span))),
+ const_token: Token![const](tokens_helper(f, &node.const_token.span)),
+ ident: f.fold_ident(node.ident),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ ty: f.fold_type(node.ty),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ expr: f.fold_expr(node.expr),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -1834,7 +1815,7 @@ where
+ ImplItemMacro {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ mac: f.fold_macro(node.mac),
+- semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
++ semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -1862,9 +1843,9 @@ where
+ type_token: Token![type](tokens_helper(f, &node.type_token.span)),
+ ident: f.fold_ident(node.ident),
+ generics: f.fold_generics(node.generics),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ ty: f.fold_type(node.ty),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(any(feature = "derive", feature = "full"))]
+@@ -1913,11 +1894,11 @@ where
+ vis: f.fold_visibility(node.vis),
+ const_token: Token![const](tokens_helper(f, &node.const_token.span)),
+ ident: f.fold_ident(node.ident),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ ty: Box::new(f.fold_type(*node.ty)),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ expr: Box::new(f.fold_expr(*node.expr)),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -1952,7 +1933,7 @@ where
+ f.fold_ident((it).1),
+ )
+ }),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2011,7 +1992,7 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ ident: (node.ident).map(|it| f.fold_ident(it)),
+ mac: f.fold_macro(node.mac),
+- semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
++ semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2043,7 +2024,7 @@ where
+ FoldHelper::lift((it).1, |it| f.fold_item(it)),
+ )
+ }),
+- semi: (node.semi).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
++ semi: (node.semi).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2057,11 +2038,11 @@ where
+ static_token: Token![static](tokens_helper(f, &node.static_token.span)),
+ mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
+ ident: f.fold_ident(node.ident),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ ty: Box::new(f.fold_type(*node.ty)),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ expr: Box::new(f.fold_expr(*node.expr)),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2076,7 +2057,7 @@ where
+ ident: f.fold_ident(node.ident),
+ generics: f.fold_generics(node.generics),
+ fields: f.fold_fields(node.fields),
+- semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
++ semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2092,7 +2073,7 @@ where
+ trait_token: Token![trait](tokens_helper(f, &node.trait_token.span)),
+ ident: f.fold_ident(node.ident),
+ generics: f.fold_generics(node.generics),
+- colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
++ colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
+ supertraits: FoldHelper::lift(node.supertraits, |it| f.fold_type_param_bound(it)),
+ brace_token: Brace(tokens_helper(f, &node.brace_token.span)),
+ items: FoldHelper::lift(node.items, |it| f.fold_trait_item(it)),
+@@ -2109,9 +2090,9 @@ where
+ trait_token: Token![trait](tokens_helper(f, &node.trait_token.span)),
+ ident: f.fold_ident(node.ident),
+ generics: f.fold_generics(node.generics),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2125,9 +2106,9 @@ where
+ type_token: Token![type](tokens_helper(f, &node.type_token.span)),
+ ident: f.fold_ident(node.ident),
+ generics: f.fold_generics(node.generics),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ ty: Box::new(f.fold_type(*node.ty)),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2153,9 +2134,9 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ vis: f.fold_visibility(node.vis),
+ use_token: Token![use](tokens_helper(f, &node.use_token.span)),
+- leading_colon: (node.leading_colon).map(|it| Token ! [ :: ](tokens_helper(f, &it.spans))),
++ leading_colon: (node.leading_colon).map(|it| Token ! [::](tokens_helper(f, &it.spans))),
+ tree: f.fold_use_tree(node.tree),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2165,7 +2146,7 @@ where
+ {
+ Label {
+ name: f.fold_lifetime(node.name),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ }
+ }
+ pub fn fold_lifetime<F>(f: &mut F, node: Lifetime) -> Lifetime
+@@ -2185,11 +2166,10 @@ where
+ LifetimeDef {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ lifetime: f.fold_lifetime(node.lifetime),
+- colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
++ colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
+ bounds: FoldHelper::lift(node.bounds, |it| f.fold_lifetime(it)),
+ }
+ }
+-#[cfg(any(feature = "derive", feature = "full"))]
+ pub fn fold_lit<F>(f: &mut F, node: Lit) -> Lit
+ where
+ F: Fold + ?Sized,
+@@ -2205,7 +2185,6 @@ where
+ Lit::Verbatim(_binding_0) => Lit::Verbatim(_binding_0),
+ }
+ }
+-#[cfg(any(feature = "derive", feature = "full"))]
+ pub fn fold_lit_bool<F>(f: &mut F, node: LitBool) -> LitBool
+ where
+ F: Fold + ?Sized,
+@@ -2215,7 +2194,6 @@ where
+ span: f.fold_span(node.span),
+ }
+ }
+-#[cfg(any(feature = "derive", feature = "full"))]
+ pub fn fold_lit_byte<F>(f: &mut F, node: LitByte) -> LitByte
+ where
+ F: Fold + ?Sized,
+@@ -2225,7 +2203,6 @@ where
+ node.set_span(span);
+ node
+ }
+-#[cfg(any(feature = "derive", feature = "full"))]
+ pub fn fold_lit_byte_str<F>(f: &mut F, node: LitByteStr) -> LitByteStr
+ where
+ F: Fold + ?Sized,
+@@ -2235,7 +2212,6 @@ where
+ node.set_span(span);
+ node
+ }
+-#[cfg(any(feature = "derive", feature = "full"))]
+ pub fn fold_lit_char<F>(f: &mut F, node: LitChar) -> LitChar
+ where
+ F: Fold + ?Sized,
+@@ -2245,7 +2221,6 @@ where
+ node.set_span(span);
+ node
+ }
+-#[cfg(any(feature = "derive", feature = "full"))]
+ pub fn fold_lit_float<F>(f: &mut F, node: LitFloat) -> LitFloat
+ where
+ F: Fold + ?Sized,
+@@ -2255,7 +2230,6 @@ where
+ node.set_span(span);
+ node
+ }
+-#[cfg(any(feature = "derive", feature = "full"))]
+ pub fn fold_lit_int<F>(f: &mut F, node: LitInt) -> LitInt
+ where
+ F: Fold + ?Sized,
+@@ -2265,7 +2239,6 @@ where
+ node.set_span(span);
+ node
+ }
+-#[cfg(any(feature = "derive", feature = "full"))]
+ pub fn fold_lit_str<F>(f: &mut F, node: LitStr) -> LitStr
+ where
+ F: Fold + ?Sized,
+@@ -2286,11 +2259,11 @@ where
+ pat: f.fold_pat(node.pat),
+ init: (node.init).map(|it| {
+ (
+- Token ! [ = ](tokens_helper(f, &(it).0.spans)),
++ Token ! [=](tokens_helper(f, &(it).0.spans)),
+ Box::new(f.fold_expr(*(it).1)),
+ )
+ }),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(any(feature = "derive", feature = "full"))]
+@@ -2361,7 +2334,7 @@ where
+ {
+ MetaNameValue {
+ path: f.fold_path(node.path),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ lit: f.fold_lit(node.lit),
+ }
+ }
+@@ -2371,10 +2344,10 @@ where
+ F: Fold + ?Sized,
+ {
+ MethodTurbofish {
+- colon2_token: Token ! [ :: ](tokens_helper(f, &node.colon2_token.spans)),
+- lt_token: Token ! [ < ](tokens_helper(f, &node.lt_token.spans)),
++ colon2_token: Token ! [::](tokens_helper(f, &node.colon2_token.spans)),
++ lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),
+ args: FoldHelper::lift(node.args, |it| f.fold_generic_method_argument(it)),
+- gt_token: Token ! [ > ](tokens_helper(f, &node.gt_token.spans)),
++ gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),
+ }
+ }
+ #[cfg(any(feature = "derive", feature = "full"))]
+@@ -2449,7 +2422,7 @@ where
+ ident: f.fold_ident(node.ident),
+ subpat: (node.subpat).map(|it| {
+ (
+- Token ! [ @ ](tokens_helper(f, &(it).0.spans)),
++ Token ! [@](tokens_helper(f, &(it).0.spans)),
+ Box::new(f.fold_pat(*(it).1)),
+ )
+ }),
+@@ -2482,7 +2455,7 @@ where
+ {
+ PatOr {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+- leading_vert: (node.leading_vert).map(|it| Token ! [ | ](tokens_helper(f, &it.spans))),
++ leading_vert: (node.leading_vert).map(|it| Token ! [|](tokens_helper(f, &it.spans))),
+ cases: FoldHelper::lift(node.cases, |it| f.fold_pat(it)),
+ }
+ }
+@@ -2516,7 +2489,7 @@ where
+ {
+ PatReference {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+- and_token: Token ! [ & ](tokens_helper(f, &node.and_token.spans)),
++ and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),
+ mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
+ pat: Box::new(f.fold_pat(*node.pat)),
+ }
+@@ -2585,7 +2558,7 @@ where
+ PatType {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ pat: Box::new(f.fold_pat(*node.pat)),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ ty: Box::new(f.fold_type(*node.ty)),
+ }
+ }
+@@ -2605,7 +2578,7 @@ where
+ F: Fold + ?Sized,
+ {
+ Path {
+- leading_colon: (node.leading_colon).map(|it| Token ! [ :: ](tokens_helper(f, &it.spans))),
++ leading_colon: (node.leading_colon).map(|it| Token ! [::](tokens_helper(f, &it.spans))),
+ segments: FoldHelper::lift(node.segments, |it| f.fold_path_segment(it)),
+ }
+ }
+@@ -2641,7 +2614,7 @@ where
+ {
+ PredicateEq {
+ lhs_ty: f.fold_type(node.lhs_ty),
+- eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
++ eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
+ rhs_ty: f.fold_type(node.rhs_ty),
+ }
+ }
+@@ -2652,7 +2625,7 @@ where
+ {
+ PredicateLifetime {
+ lifetime: f.fold_lifetime(node.lifetime),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ bounds: FoldHelper::lift(node.bounds, |it| f.fold_lifetime(it)),
+ }
+ }
+@@ -2664,7 +2637,7 @@ where
+ PredicateType {
+ lifetimes: (node.lifetimes).map(|it| f.fold_bound_lifetimes(it)),
+ bounded_ty: f.fold_type(node.bounded_ty),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
+ }
+ }
+@@ -2674,11 +2647,11 @@ where
+ F: Fold + ?Sized,
+ {
+ QSelf {
+- lt_token: Token ! [ < ](tokens_helper(f, &node.lt_token.spans)),
++ lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),
+ ty: Box::new(f.fold_type(*node.ty)),
+ position: node.position,
+ as_token: (node.as_token).map(|it| Token![as](tokens_helper(f, &it.span))),
+- gt_token: Token ! [ > ](tokens_helper(f, &node.gt_token.spans)),
++ gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2691,7 +2664,7 @@ where
+ RangeLimits::HalfOpen(Token![..](tokens_helper(f, &_binding_0.spans)))
+ }
+ RangeLimits::Closed(_binding_0) => {
+- RangeLimits::Closed(Token ! [ ..= ](tokens_helper(f, &_binding_0.spans)))
++ RangeLimits::Closed(Token ! [..=](tokens_helper(f, &_binding_0.spans)))
+ }
+ }
+ }
+@@ -2704,7 +2677,7 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ reference: (node.reference).map(|it| {
+ (
+- Token ! [ & ](tokens_helper(f, &(it).0.spans)),
++ Token ! [&](tokens_helper(f, &(it).0.spans)),
+ ((it).1).map(|it| f.fold_lifetime(it)),
+ )
+ }),
+@@ -2720,7 +2693,7 @@ where
+ match node {
+ ReturnType::Default => ReturnType::Default,
+ ReturnType::Type(_binding_0, _binding_1) => ReturnType::Type(
+- Token ! [ -> ](tokens_helper(f, &_binding_0.spans)),
++ Token ! [->](tokens_helper(f, &_binding_0.spans)),
+ Box::new(f.fold_type(*_binding_1)),
+ ),
+ }
+@@ -2761,7 +2734,7 @@ where
+ Stmt::Expr(_binding_0) => Stmt::Expr(f.fold_expr(_binding_0)),
+ Stmt::Semi(_binding_0, _binding_1) => Stmt::Semi(
+ f.fold_expr(_binding_0),
+- Token ! [ ; ](tokens_helper(f, &_binding_1.spans)),
++ Token ! [;](tokens_helper(f, &_binding_1.spans)),
+ ),
+ }
+ }
+@@ -2785,7 +2758,7 @@ where
+ match node {
+ TraitBoundModifier::None => TraitBoundModifier::None,
+ TraitBoundModifier::Maybe(_binding_0) => {
+- TraitBoundModifier::Maybe(Token ! [ ? ](tokens_helper(f, &_binding_0.spans)))
++ TraitBoundModifier::Maybe(Token ! [?](tokens_helper(f, &_binding_0.spans)))
+ }
+ }
+ }
+@@ -2812,15 +2785,15 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ const_token: Token![const](tokens_helper(f, &node.const_token.span)),
+ ident: f.fold_ident(node.ident),
+- colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
++ colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
+ ty: f.fold_type(node.ty),
+ default: (node.default).map(|it| {
+ (
+- Token ! [ = ](tokens_helper(f, &(it).0.spans)),
++ Token ! [=](tokens_helper(f, &(it).0.spans)),
+ f.fold_expr((it).1),
+ )
+ }),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2831,7 +2804,7 @@ where
+ TraitItemMacro {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ mac: f.fold_macro(node.mac),
+- semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
++ semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2843,7 +2816,7 @@ where
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ sig: f.fold_signature(node.sig),
+ default: (node.default).map(|it| f.fold_block(it)),
+- semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
++ semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -2856,15 +2829,15 @@ where
+ type_token: Token![type](tokens_helper(f, &node.type_token.span)),
+ ident: f.fold_ident(node.ident),
+ generics: f.fold_generics(node.generics),
+- colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
++ colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
+ bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
+ default: (node.default).map(|it| {
+ (
+- Token ! [ = ](tokens_helper(f, &(it).0.spans)),
++ Token ! [=](tokens_helper(f, &(it).0.spans)),
+ f.fold_type((it).1),
+ )
+ }),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ }
+ }
+ #[cfg(any(feature = "derive", feature = "full"))]
+@@ -2899,7 +2872,7 @@ where
+ TypeArray {
+ bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),
+ elem: Box::new(f.fold_type(*node.elem)),
+- semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
++ semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
+ len: f.fold_expr(node.len),
+ }
+ }
+@@ -2974,9 +2947,9 @@ where
+ TypeParam {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+ ident: f.fold_ident(node.ident),
+- colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
++ colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
+ bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
+- eq_token: (node.eq_token).map(|it| Token ! [ = ](tokens_helper(f, &it.spans))),
++ eq_token: (node.eq_token).map(|it| Token ! [=](tokens_helper(f, &it.spans))),
+ default: (node.default).map(|it| f.fold_type(it)),
+ }
+ }
+@@ -3018,7 +2991,7 @@ where
+ F: Fold + ?Sized,
+ {
+ TypePtr {
+- star_token: Token ! [ * ](tokens_helper(f, &node.star_token.spans)),
++ star_token: Token ! [*](tokens_helper(f, &node.star_token.spans)),
+ const_token: (node.const_token).map(|it| Token![const](tokens_helper(f, &it.span))),
+ mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
+ elem: Box::new(f.fold_type(*node.elem)),
+@@ -3030,7 +3003,7 @@ where
+ F: Fold + ?Sized,
+ {
+ TypeReference {
+- and_token: Token ! [ & ](tokens_helper(f, &node.and_token.spans)),
++ and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),
+ lifetime: (node.lifetime).map(|it| f.fold_lifetime(it)),
+ mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
+ elem: Box::new(f.fold_type(*node.elem)),
+@@ -3072,9 +3045,9 @@ where
+ F: Fold + ?Sized,
+ {
+ match node {
+- UnOp::Deref(_binding_0) => UnOp::Deref(Token ! [ * ](tokens_helper(f, &_binding_0.spans))),
++ UnOp::Deref(_binding_0) => UnOp::Deref(Token ! [*](tokens_helper(f, &_binding_0.spans))),
+ UnOp::Not(_binding_0) => UnOp::Not(Token![!](tokens_helper(f, &_binding_0.spans))),
+- UnOp::Neg(_binding_0) => UnOp::Neg(Token ! [ - ](tokens_helper(f, &_binding_0.spans))),
++ UnOp::Neg(_binding_0) => UnOp::Neg(Token ! [-](tokens_helper(f, &_binding_0.spans))),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -3083,7 +3056,7 @@ where
+ F: Fold + ?Sized,
+ {
+ UseGlob {
+- star_token: Token ! [ * ](tokens_helper(f, &node.star_token.spans)),
++ star_token: Token ! [*](tokens_helper(f, &node.star_token.spans)),
+ }
+ }
+ #[cfg(feature = "full")]
+@@ -3112,7 +3085,7 @@ where
+ {
+ UsePath {
+ ident: f.fold_ident(node.ident),
+- colon2_token: Token ! [ :: ](tokens_helper(f, &node.colon2_token.spans)),
++ colon2_token: Token ! [::](tokens_helper(f, &node.colon2_token.spans)),
+ tree: Box::new(f.fold_use_tree(*node.tree)),
+ }
+ }
+@@ -3147,7 +3120,7 @@ where
+ {
+ Variadic {
+ attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
+- dots: Token ! [ ... ](tokens_helper(f, &node.dots.spans)),
++ dots: Token ! [...](tokens_helper(f, &node.dots.spans)),
+ }
+ }
+ #[cfg(any(feature = "derive", feature = "full"))]
+@@ -3161,7 +3134,7 @@ where
+ fields: f.fold_fields(node.fields),
+ discriminant: (node.discriminant).map(|it| {
+ (
+- Token ! [ = ](tokens_helper(f, &(it).0.spans)),
++ Token ! [=](tokens_helper(f, &(it).0.spans)),
+ f.fold_expr((it).1),
+ )
+ }),
+diff --git a/third_party/rust/syn/src/gen/hash.rs b/third_party/rust/syn/src/gen/hash.rs
+new file mode 100644
+index 0000000000..9e9e84a7af
+--- /dev/null
++++ b/third_party/rust/syn/src/gen/hash.rs
+@@ -0,0 +1,2691 @@
++// This file is @generated by syn-internal-codegen.
++// It is not intended for manual editing.
++
++#[cfg(any(feature = "derive", feature = "full"))]
++use crate::tt::TokenStreamHelper;
++use crate::*;
++use std::hash::{Hash, Hasher};
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for Abi {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.name.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for AngleBracketedGenericArguments {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.colon2_token.hash(state);
++ self.args.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for Arm {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.pat.hash(state);
++ self.guard.hash(state);
++ self.body.hash(state);
++ self.comma.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for AttrStyle {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ match self {
++ AttrStyle::Outer => {
++ state.write_u8(0u8);
++ }
++ AttrStyle::Inner(_) => {
++ state.write_u8(1u8);
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for Attribute {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.style.hash(state);
++ self.path.hash(state);
++ TokenStreamHelper(&self.tokens).hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for BareFnArg {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.name.hash(state);
++ self.ty.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for BinOp {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ match self {
++ BinOp::Add(_) => {
++ state.write_u8(0u8);
++ }
++ BinOp::Sub(_) => {
++ state.write_u8(1u8);
++ }
++ BinOp::Mul(_) => {
++ state.write_u8(2u8);
++ }
++ BinOp::Div(_) => {
++ state.write_u8(3u8);
++ }
++ BinOp::Rem(_) => {
++ state.write_u8(4u8);
++ }
++ BinOp::And(_) => {
++ state.write_u8(5u8);
++ }
++ BinOp::Or(_) => {
++ state.write_u8(6u8);
++ }
++ BinOp::BitXor(_) => {
++ state.write_u8(7u8);
++ }
++ BinOp::BitAnd(_) => {
++ state.write_u8(8u8);
++ }
++ BinOp::BitOr(_) => {
++ state.write_u8(9u8);
++ }
++ BinOp::Shl(_) => {
++ state.write_u8(10u8);
++ }
++ BinOp::Shr(_) => {
++ state.write_u8(11u8);
++ }
++ BinOp::Eq(_) => {
++ state.write_u8(12u8);
++ }
++ BinOp::Lt(_) => {
++ state.write_u8(13u8);
++ }
++ BinOp::Le(_) => {
++ state.write_u8(14u8);
++ }
++ BinOp::Ne(_) => {
++ state.write_u8(15u8);
++ }
++ BinOp::Ge(_) => {
++ state.write_u8(16u8);
++ }
++ BinOp::Gt(_) => {
++ state.write_u8(17u8);
++ }
++ BinOp::AddEq(_) => {
++ state.write_u8(18u8);
++ }
++ BinOp::SubEq(_) => {
++ state.write_u8(19u8);
++ }
++ BinOp::MulEq(_) => {
++ state.write_u8(20u8);
++ }
++ BinOp::DivEq(_) => {
++ state.write_u8(21u8);
++ }
++ BinOp::RemEq(_) => {
++ state.write_u8(22u8);
++ }
++ BinOp::BitXorEq(_) => {
++ state.write_u8(23u8);
++ }
++ BinOp::BitAndEq(_) => {
++ state.write_u8(24u8);
++ }
++ BinOp::BitOrEq(_) => {
++ state.write_u8(25u8);
++ }
++ BinOp::ShlEq(_) => {
++ state.write_u8(26u8);
++ }
++ BinOp::ShrEq(_) => {
++ state.write_u8(27u8);
++ }
++ }
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for Binding {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.ident.hash(state);
++ self.ty.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for Block {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.stmts.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for BoundLifetimes {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.lifetimes.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ConstParam {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.ident.hash(state);
++ self.ty.hash(state);
++ self.eq_token.hash(state);
++ self.default.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for Constraint {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.ident.hash(state);
++ self.bounds.hash(state);
++ }
++}
++#[cfg(feature = "derive")]
++impl Hash for Data {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ match self {
++ Data::Struct(v0) => {
++ state.write_u8(0u8);
++ v0.hash(state);
++ }
++ Data::Enum(v0) => {
++ state.write_u8(1u8);
++ v0.hash(state);
++ }
++ Data::Union(v0) => {
++ state.write_u8(2u8);
++ v0.hash(state);
++ }
++ }
++ }
++}
++#[cfg(feature = "derive")]
++impl Hash for DataEnum {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.variants.hash(state);
++ }
++}
++#[cfg(feature = "derive")]
++impl Hash for DataStruct {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.fields.hash(state);
++ self.semi_token.hash(state);
++ }
++}
++#[cfg(feature = "derive")]
++impl Hash for DataUnion {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.fields.hash(state);
++ }
++}
++#[cfg(feature = "derive")]
++impl Hash for DeriveInput {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.vis.hash(state);
++ self.ident.hash(state);
++ self.generics.hash(state);
++ self.data.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for Expr {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ match self {
++ #[cfg(feature = "full")]
++ Expr::Array(v0) => {
++ state.write_u8(0u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Assign(v0) => {
++ state.write_u8(1u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::AssignOp(v0) => {
++ state.write_u8(2u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Async(v0) => {
++ state.write_u8(3u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Await(v0) => {
++ state.write_u8(4u8);
++ v0.hash(state);
++ }
++ Expr::Binary(v0) => {
++ state.write_u8(5u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Block(v0) => {
++ state.write_u8(6u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Box(v0) => {
++ state.write_u8(7u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Break(v0) => {
++ state.write_u8(8u8);
++ v0.hash(state);
++ }
++ Expr::Call(v0) => {
++ state.write_u8(9u8);
++ v0.hash(state);
++ }
++ Expr::Cast(v0) => {
++ state.write_u8(10u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Closure(v0) => {
++ state.write_u8(11u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Continue(v0) => {
++ state.write_u8(12u8);
++ v0.hash(state);
++ }
++ Expr::Field(v0) => {
++ state.write_u8(13u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::ForLoop(v0) => {
++ state.write_u8(14u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Group(v0) => {
++ state.write_u8(15u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::If(v0) => {
++ state.write_u8(16u8);
++ v0.hash(state);
++ }
++ Expr::Index(v0) => {
++ state.write_u8(17u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Let(v0) => {
++ state.write_u8(18u8);
++ v0.hash(state);
++ }
++ Expr::Lit(v0) => {
++ state.write_u8(19u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Loop(v0) => {
++ state.write_u8(20u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Macro(v0) => {
++ state.write_u8(21u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Match(v0) => {
++ state.write_u8(22u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::MethodCall(v0) => {
++ state.write_u8(23u8);
++ v0.hash(state);
++ }
++ Expr::Paren(v0) => {
++ state.write_u8(24u8);
++ v0.hash(state);
++ }
++ Expr::Path(v0) => {
++ state.write_u8(25u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Range(v0) => {
++ state.write_u8(26u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Reference(v0) => {
++ state.write_u8(27u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Repeat(v0) => {
++ state.write_u8(28u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Return(v0) => {
++ state.write_u8(29u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Struct(v0) => {
++ state.write_u8(30u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Try(v0) => {
++ state.write_u8(31u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::TryBlock(v0) => {
++ state.write_u8(32u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Tuple(v0) => {
++ state.write_u8(33u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Type(v0) => {
++ state.write_u8(34u8);
++ v0.hash(state);
++ }
++ Expr::Unary(v0) => {
++ state.write_u8(35u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Unsafe(v0) => {
++ state.write_u8(36u8);
++ v0.hash(state);
++ }
++ Expr::Verbatim(v0) => {
++ state.write_u8(37u8);
++ TokenStreamHelper(v0).hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::While(v0) => {
++ state.write_u8(38u8);
++ v0.hash(state);
++ }
++ #[cfg(feature = "full")]
++ Expr::Yield(v0) => {
++ state.write_u8(39u8);
++ v0.hash(state);
++ }
++ _ => unreachable!(),
++ }
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprArray {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.elems.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprAssign {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.left.hash(state);
++ self.right.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprAssignOp {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.left.hash(state);
++ self.op.hash(state);
++ self.right.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprAsync {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.capture.hash(state);
++ self.block.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprAwait {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.base.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprBinary {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.left.hash(state);
++ self.op.hash(state);
++ self.right.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprBlock {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.label.hash(state);
++ self.block.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprBox {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprBreak {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.label.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprCall {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.func.hash(state);
++ self.args.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprCast {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ self.ty.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprClosure {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.asyncness.hash(state);
++ self.movability.hash(state);
++ self.capture.hash(state);
++ self.inputs.hash(state);
++ self.output.hash(state);
++ self.body.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprContinue {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.label.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprField {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.base.hash(state);
++ self.member.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprForLoop {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.label.hash(state);
++ self.pat.hash(state);
++ self.expr.hash(state);
++ self.body.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprGroup {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprIf {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.cond.hash(state);
++ self.then_branch.hash(state);
++ self.else_branch.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprIndex {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ self.index.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprLet {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.pat.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprLit {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.lit.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprLoop {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.label.hash(state);
++ self.body.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprMacro {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.mac.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprMatch {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ self.arms.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprMethodCall {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.receiver.hash(state);
++ self.method.hash(state);
++ self.turbofish.hash(state);
++ self.args.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprParen {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprPath {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.qself.hash(state);
++ self.path.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprRange {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.from.hash(state);
++ self.limits.hash(state);
++ self.to.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprReference {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.mutability.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprRepeat {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ self.len.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprReturn {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprStruct {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.path.hash(state);
++ self.fields.hash(state);
++ self.dot2_token.hash(state);
++ self.rest.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprTry {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprTryBlock {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.block.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprTuple {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.elems.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprType {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ self.ty.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for ExprUnary {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.op.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprUnsafe {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.block.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprWhile {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.label.hash(state);
++ self.cond.hash(state);
++ self.body.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for ExprYield {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.expr.hash(state);
++ }
++}
++#[cfg(any(feature = "derive", feature = "full"))]
++impl Hash for Field {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.vis.hash(state);
++ self.ident.hash(state);
++ self.colon_token.hash(state);
++ self.ty.hash(state);
++ }
++}
++#[cfg(feature = "full")]
++impl Hash for FieldPat {
++ fn hash<H>(&self, state: &mut H)
++ where
++ H: Hasher,
++ {
++ self.attrs.hash(state);
++ self.member.hash(state);
++ self.colon_token.hash(state);
++ self.pat.