rust-lang / rust-lang/rustfmt

extra spacing added to normalised inner comment in a function call

Open
#1,747 6 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

A-comments C-bug only-with-option P-low UO-normalize_comments
Dominant language
Rust
Stars
7k
Forks
1.1k
Avg merge
2d 13h
Merged PRs (30d)
24

Description

E.g.

foo(xxxxxxx, xxxxxxxx /* inline comment */, y /* sup */);
foo(
    xxxxxxx,
    xxxxxxxx, // inline comment
    y, /* sup */
);

when normalize_comments = true.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  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

Start by reproducing the provided Rust example with normalize_comments = true and inspect rustfmt's comment-normalization and function-call formatting paths. Done means the inline comments format as shown without the extra spacing while the surrounding arguments retain the expected layout.

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
48/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.