rust-lang / rust-lang/rust

Tracking Issue for `bufreader_peek`

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#128,405 21 comments 3 reactions 1 assignee View on GitHub

@lolbinarycat is already working on this.

Since Jul 30, 2024.

C-tracking-issue F-bufreader_peek T-libs
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Rust
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Description

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Feature gate: #![feature(bufreader_peek)]

This is a tracking issue for the BufReader::peek method.

Public API
// std::io

impl BufReader {
    fn peek(&mut self, n: usize) -> io::Result<&[u8]>
}
Steps / History
Unresolved Questions
  • what should happen if n > capacity? options are: short slice, error, or panic.
  • should the buffer be completely filled, or should it only read the number of bytes requested?

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.

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