Deleted comments in type aliases
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P-medium
- Dominant language
- Rust
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Description
Some inline comments in type alias declarations are removed during formatting.
Steps to reproduce:
$ rustfmt --version
rustfmt 1.4.38-stable (9d1b210 2022-02-23)
$ rustfmt --emit stdout <(echo 'type Cycle = [u64 /* seconds */; 3];')
Expected output:
type Cycle = [u64 /* seconds */; 3];
Actual output:
type Cycle = [u64; 3];
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
Run the provided rustfmt --emit stdout reproduction first. Trace the formatting path for the type alias and its inline comment, then verify that formatting preserves the comment and matches the expected output.
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
- Clearly specified
- Newbie friendliness
- 45/100