rust-lang / rust-lang/rust-clippy
verbose-file-reads false positive
Open
Nobody has claimed this yet.
C-bug
I-false-positive
- Dominant language
- Rust
- Stars
- 13.5k
- Forks
- 2.2k
- Avg merge
- 2d 10h
- Merged PRs (30d)
- 32
Description
Reproducer on playground: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=a06d5c34e0ec3cd9eafbd42af458028f
std::fs::read only supports reading from path, not from raw handle.
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
Run the linked Rust Playground reproducer and inspect the Clippy implementation of the verbose-file-reads lint. Confirm why std::fs::read is reported when the input is a raw handle, then add coverage and verify that the false positive no longer occurs.
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
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 52/100