rust-lang / rust-lang/rust-clippy

should_implement_trait triggers on incompatible signatures

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#5,612 3 comments 0 reactions 0 assignees View on GitHub

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C-bug I-false-positive
Dominant language
Rust
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Description

... and suggests implementing FromStr which has an incompatible signature.

Contributor guide

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First steps

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  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

Start by reproducing the should_implement_trait lint and inspect why it suggests implementing FromStr despite the incompatible signature. Confirm the behavior against the relevant lint tests, then ensure the diagnostic no longer recommends an incompatible trait implementation.

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
Needs clarification
Newbie friendliness
30/100

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