rust-lang / rust-lang/rust-clippy
new lint: duplicate pattern match
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A-lint
- Dominant language
- Rust
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Description
What it does
see example
Lint Name
duplicate_pattern_match (TODO: we need a better name)
Category
style
Advantage
cleaner code
easy to understand
Drawbacks
Seldom to meet such strange code
Example
let (x | x) = 1;
let (x | x | x) = 1;
let (x | x | x | x) = 1;
Could be written as:
let 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
No implementation files, tests, or entry points are named. Start by reviewing the Rust examples in the issue and locating comparable Clippy pattern-match lints. Done means the proposed lint is implemented for repeated alternatives such as x | x, with coverage for the shown cases and a clear lint name.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 25/100