rust-lang / rust-lang/rustfmt

rustfmt gives up on long `let` into tuple

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I-poor-formatting
Dominant language
Rust
Stars
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Forks
1.1k
Avg merge
2d 13h
Merged PRs (30d)
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Description

rustfmt doesn't seem to want to format this:

fn main() {
    let (abcdefghijklmnopqrstuvwxyz, abcdefghijklmnopqrstuvwxyz, abcdefghijklmnopqrstuvwxyz): AVeryLongTypeNameGoesHere = 42;
}

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the issue's long tuple-pattern let example with rustfmt and trace the formatter path responsible for handling it. Add a regression test for this input and verify that rustfmt produces formatted output instead of leaving the statement unchanged.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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