rust-lang / rust-lang/rust

Tracking Issue for `BinaryHeap::extract_if`

Open
#154,721 0 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

C-tracking-issue S-tracking-unimplemented T-libs
Dominant language
Rust
Stars
119k
Forks
16.2k
PR merge metrics
PR metrics pending

Description

Feature gate: #![feature(binary_heap_extract_if)]

This is a tracking issue for BinaryHeap::extract_if from rust-lang/rfcs#2140

Public API
// alloc::binary_heap;

pub struct BinaryHeap<T, A>;

impl<T, A: Allocator> BinaryHeap<T, A> {
    pub fn extract_if<F>(&mut self, pred: F) -> ExtractIf<'_, T, F, A>;
}
Steps / History

(Remember to update the S-tracking-* label when checking boxes.)

  • ACP: rust-lang/libs-team#...
  • Implementation: #42849
  • Final comment period (FCP)^1
  • Stabilization PR
Unresolved Questions
  • None yet.

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 with RFC rust-lang/rfcs#2140 and the public API shown for BinaryHeap::extract_if, then review the implementation tracked as #42849. The issue is complete when the ACP, implementation, final comment period, and stabilization PR checklist steps are resolved.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
api
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
25/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.