rust-lang / rust-lang/rust-clippy
lint: detect simple counting while loop
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A-lint
E-medium
T-middle
- Dominant language
- Rust
- Stars
- 13.5k
- Forks
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- Avg merge
- 2d 10h
- Merged PRs (30d)
- 32
Description
Suggest a for _ in _.._ { .. } loop instead.
Example
let mut x = 0;
while x < 10 {
println!("{}", x);
x = x + 1
}
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
The issue names no files, tests, or entry points. Start by locating Clippy's existing loop-related lint definitions and tests, then verify that the shown counting while loop is detected and that the diagnostic suggests a for-range loop.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100