rust-lang / rust-lang/rfcs

LinkedList::<T>::iter_mut() could return elements of type Pin<&mut T>

Open
#2,846 4 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
Markdown
Stars
6.6k
Forks
1.7k
Avg merge
16h 14m
Merged PRs (30d)
1

Description

Assuming that the elements within a LinkedList never move in memory (which is normally the case), iterating over the list could return Pin<&T> or Pin<&mut T> rather than plain &T or &mut T.

Contributor guide

No contributing guide indexed for this repository

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 the issue’s LinkedList::::iter_mut() proposal and review the existing discussion in this RFC repository. Clarify the intended Pin<&T> and Pin<&mut T> API, its safety assumptions, and what decision or RFC outcome would count as done; no specific file or test is named.

Written by the indexing model from the issue text.

Assessment

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

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.