rust-lang / rust-lang/rust

Tracking Issue for `const_nonnull_with_exposed_provenance`

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C-tracking-issue S-tracking-unimplemented T-libs
Dominant language
Rust
Stars
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Forks
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PR merge metrics
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Description

Feature gate: #![feature(const_nonnull_with_exposed_provenance)]

This is a tracking issue for marking NonNull::with_exposed_provenance const.

Public API
// Before
pub fn with_exposed_provenance(addr: NonZero<usize>) -> Self;
// After
pub const fn with_exposed_provenance(addr: NonZero<usize>) -> Self;
Steps / History
  • Mark NonNull::with_exposed_provenance as const.

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

  • ACP: rust-lang/libs-team#763
  • Implementation: #154216
  • 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

The tracking issue concerns making NonNull::with_exposed_provenance const; its implementation is already linked as PR #154216. Read the linked implementation and the feature lifecycle guidance, then check the remaining FCP and stabilization steps rather than starting a new implementation.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
compilers
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
20/100

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