rust-lang / rust-lang/rustfmt

cargo fmt and cargo fmt --check don't agree on bindgen

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#3,799 9 comments 0 reactions 0 assignees View on GitHub

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A-cargo-fmt C-bug P-high
Dominant language
Rust
Stars
7k
Forks
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Avg merge
2d 13h
Merged PRs (30d)
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Description

Will put concrete STR in a sec.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue reports disagreement between cargo fmt and cargo fmt --check when processing bindgen output, but provides no concrete STR, files, or tests. Start by reading the issue thread and reproducing the mismatch in the rustfmt repository. Done means both commands agree for the reported bindgen case, with a regression test if the reproduction identifies a stable fixture.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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