rust-lang / rust-lang/rust-clippy
lint single byte char regex count
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A-lint
- Dominant language
- Rust
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Description
Something like Regex::new("x").find_iter().count(), suggest to use bytecount instead, which is much faster.
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 by locating the Clippy lint implementation that analyzes Regex::new("x").find_iter().count(). Confirm how existing lints express suggestions and how their tests are organized. Done means this pattern is detected and suggests bytecount as the faster alternative.
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
- 42/100