rust-lang / rust-lang/rust

Tracking Issue for const_ops

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#143,802 6 comments 4 reactions 0 assignees View on GitHub

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C-tracking-issue T-libs
Dominant language
Rust
Stars
119k
Forks
16.1k
PR merge metrics
PR metrics pending

Description

Feature gate: #![feature(const_ops)]

This is a tracking issue for const-stability of traits in ops.

Public API
// core::ops

#[const_trait]
pub trait Add<Rhs = Self> { ... }

#[const_trait]
pub trait Sub<Rhs = Self> { ... }

#[const_trait]
pub trait Mul<Rhs = Self> { ... }

#[const_trait]
pub trait Div<Rhs = Self> { ... }

#[const_trait]
pub trait Rem<Rhs = Self> { ... }
  • Neg
  • Not
  • BitAnd
  • BitOr
  • BitXor
  • Shl
  • Shr
  • AddAssign
  • SubAssign
  • MulAssign
  • DivAssign
  • RemAssign
  • BitAndAssign
  • BitOrAssign
  • BitXorAssign
  • ShlAssign
  • ShrAssign
Steps / History

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

Unresolved Questions / Blockers

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 the core::ops traits listed in the issue and review implementation PRs 143000, 143040, and 143949. Check the blocker in issue 143874 and the feature-lifecycle guidance before assessing the remaining stabilization work. Done means the unresolved blocker is addressed, the final comment period is complete, and a stabilization PR is merged.

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
Needs clarification
Newbie friendliness
20/100

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