Tracking Issue for `likely_unlikely`

[tgross35]

Feature gate: #![feature(likely_unlikely)]

This is a tracking issue for core::hint::{likely, unlikely}.

This tracking issue was split from #136873. Please also see the meta discussion at #26179.

Public API

// core::hint

pub const fn likely(b: bool) -> bool;
pub const fn unlikely(b: bool) -> bool;

Steps / History

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

• Intrinsic implementation: Likely unlikely fix #120370
• Reexport in std::hint: Reexport likely/unlikely in std::hint #133695
• Behavior improvements: improve cold_path() #133852
• Final comment period (FCP)¹
• Stabilization PR

Unresolved Questions

• None yet.

Footnotes

1. https://std-dev-guide.rust-lang.org/feature-lifecycle/stabilization.html ↩