"left behind trailing whitespace" with comment between `let x =` and value
Open
Nobody has claimed this yet.
1x-backport:pending
E-fixed-needs-confirmation
I-trailing-whitespace
- Dominant language
- Rust
- Stars
- 7k
- Forks
- 1.1k
- Avg merge
- 2d 13h
- Merged PRs (30d)
- 24
Description
Code
fn main() {
let number =
// A comment
1;
}
Error
error[internal]: left behind trailing whitespace
--> /playground/src/main.rs:2:2:17
|
2 | let number =
| ^
|
warning: rustfmt has failed to format. See previous 1 errors.
Version
1.4.37-nightly (2021-10-05 25ec827) (current version on the playground)
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 with the Playground reproduction linked in the issue and confirm that rustfmt reports trailing whitespace for the comment-between-assignment-and-value example. Trace the formatter behavior for this Rust snippet and verify that formatting completes without the internal error while preserving the intended code structure.
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