rust-lang / rust-lang/rust-clippy

Lint Idea: Convert `for` loop and break to `if let` and `find`

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A-lint L-complexity L-suggestion
Dominant language
Rust
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Description

name: find_as_loop (Maybe. I'm not sure of this.)
group: pedantic

for x in &collection {
    if <condition> {
        <statemetns>;
        break;
    }
}

can be converted to

if let Some(x) = collection.iter().find(<condition>) {
    <statements>;
}

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

No file or test is named. Start by reviewing the proposed for/break and if let/find examples, then inspect rust-clippy's existing lint implementations and test conventions. Done means defining the supported pattern and validating the proposed transformation where applicable.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
devtools, tooling
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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