rust-lang / rust-lang/rust-analyzer
Add ide-assist for redundant closure clippy lint
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C-feature
- Dominant language
- Rust
- Stars
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- Forks
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- Avg merge
- 1d 12h
- Merged PRs (30d)
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Description
https://rust-lang.github.io/rust-clippy/master/index.html#/redundant_closure
Example:
xs.map(|x| foo(x))
Replace with:
// where `foo(_)` is a plain function that takes the exact argument type of `x`.
xs.map(foo)
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 with the redundant_closure Clippy lint documentation linked in the issue, then inspect existing rust-analyzer IDE assists that transform closures. The assist should recognize the shown eligible closure and offer the equivalent plain-function form; add coverage using the project's existing assist-test conventions.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- devtools
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100