Add `proc_macro` attribute documentation by josetorrs · Pull Request #158962 · rust-lang/rust

josetorrs · 2026-07-08T16:57:17Z

(I wasn't sure who to exactly tag. I see several PR's switch between you two)

GuillaumeGomez · 2026-07-09T09:37:06Z

+/// the [`TokenStream`] that replaces the invocation:
+///
+/// ```rust, ignore (requires depending on the proc-macro crate)
+/// extern crate proc_macro;


Suggested change

/// extern crate proc_macro;

/// # extern crate proc_macro;

View changes since the review

added this in

GuillaumeGomez

Apart from the small nit, looks good to me.

View changes since this review

rustbot · 2026-07-09T09:38:10Z

Reminder, once the PR becomes ready for a review, use @rustbot ready.

GuillaumeGomez · 2026-07-15T13:23:42Z

Thanks!

@bors r+ rollup

rust-bors · 2026-07-15T13:23:45Z

📌 Commit 421ffc1 has been approved by GuillaumeGomez

It is now in the queue for this repository.

…uwer Rollup of 8 pull requests Successful merges: - #159197 (Rename ModDefId to ModId and use more) - #159222 (semicolon_in_expressions_from_macros: Lint on non-local macros too) - #159296 (Implement `bool::toggle`) - #158302 (Fix `overflowing_literals` lint with repeated negation) - #158484 (Add documentation for the `cold` and `track_caller` attributes) - #159239 (Add codegen test for remainder match) - #159330 (fix some edition annotations in UI tests) - #159331 (Fix ignore-llvm-version directive in codegen-llvm/array-equality.rs) Failed merges: - #158962 (Add `proc_macro` attribute documentation)

@GuillaumeGomez

…documentation, r=GuillaumeGomez Add `proc_macro` attribute documentation part of rust-lang#157604 r? @GuillaumeGomez cc: @fmease (I wasn't sure who to exactly tag. I see several PR's switch between you two)

Co-authored-by: Guillaume Gomez <contact@guillaume-gomez.fr>

rustbot · 2026-07-15T19:06:21Z

This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

josetorrs · 2026-07-15T19:07:29Z

@GuillaumeGomez I ended getting another conflict but not sure how to use bors here

GuillaumeGomez · 2026-07-15T19:18:46Z

@bors r+ rollup

rust-bors · 2026-07-15T19:18:49Z

📌 Commit 4bf0b76 has been approved by GuillaumeGomez

It is now in the queue for this repository.

rust-bors · 2026-07-16T02:07:52Z

☀️ Test successful - CI
Approved by: GuillaumeGomez
Duration: 3h 29m 53s
Pushing fcbe791 to main...

github-actions · 2026-07-16T02:10:26Z

What is this?

This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.

Comparing d0babd8 (parent) -> fcbe791 (this PR)

Test differences

Show 10 test diffs

10 doctest diffs were found. These are ignored, as they are noisy.

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard fcbe7917ba18120d9eda136f1c7c5a60c78e554e --output-dir test-dashboard

And then open test-dashboard/index.html in your browser to see an overview of all executed tests.

Job duration changes

i686-msvc-1: 2h -> 3h 4m (+52.9%)
x86_64-gnu-llvm-22-1: 46m 10s -> 1h 5m (+42.4%)
i686-gnu-1: 1h 42m -> 2h 18m (+35.8%)
x86_64-msvc-2: 2h 28m -> 1h 38m (-34.2%)
aarch64-apple: 3h 11m -> 2h 13m (-30.1%)
dist-powerpc64le-linux-musl: 1h 16m -> 1h 38m (+29.7%)
dist-powerpc64-linux-musl: 1h 13m -> 1h 34m (+28.7%)
dist-powerpc64le-linux-gnu: 1h 12m -> 1h 32m (+27.4%)
x86_64-gnu-nopt: 2h 29m -> 1h 51m (-25.2%)
x86_64-gnu-gcc-core-tests: 6m 21s -> 7m 56s (+24.8%)

How to interpret the job duration changes?

Job durations can vary a lot, based on the actual runner instance
that executed the job, system noise, invalidated caches, etc. The table above is provided
mostly for t-infra members, for simpler debugging of potential CI slow-downs.

rust-timer · 2026-07-16T02:49:59Z

Finished benchmarking commit (fcbe791): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

Results (primary -2.5%, secondary 3.2%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	4.8%	[2.6%, 6.6%]	4
Improvements ✅ (primary)	-2.5%	[-2.5%, -2.5%]	1
Improvements ✅ (secondary)	-3.3%	[-3.3%, -3.3%]	1
All ❌✅ (primary)	-2.5%	[-2.5%, -2.5%]	1

Cycles

Results (secondary -2.2%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.2%	[-2.2%, -2.2%]	1
All ❌✅ (primary)	-	-	0

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: 491.731s -> 489.999s (-0.35%)
Artifact size: 390.07 MiB -> 390.09 MiB (0.00%)

rustbot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Jul 8, 2026

rustbot assigned GuillaumeGomez Jul 8, 2026