rustfmt eats comment after `->` in return type
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A-comments
C-bug
I-unexpectedly-removes-code
- Dominant language
- Rust
- Stars
- 7k
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- 1.1k
- Avg merge
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- Merged PRs (30d)
- 24
Description
fn a() -> /* my super detailed comment on what this bool is */ bool {}
The comment is entirely eaten:
fn a() -> bool {}
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by running rustfmt on the minimal Rust snippet in the issue and compare its output with the input. Trace how rustfmt handles the comment after the return-type arrow; the issue is done when that comment is preserved in the formatted function.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100