Tracking Issue for const_str_as_mut

[RalfJung]

Feature gate: #![feature(const_str_as_mut)]

This is a tracking issue for const mutable str accessors:

impl str {
    pub const unsafe fn as_bytes_mut(&mut self) -> &mut [u8];
    pub const fn as_mut_ptr(&mut self) -> *mut u8;
}

Steps / History

• Implementation: str: make as_mut_ptr and as_bytes_mut unstably const #130046
• Final comment period (FCP)¹
• Stabilization PR

Unresolved Questions

• None yet.

Footnotes

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

[dtolnay]

@rfcbot fcp merge

const for these already-stable functions:

• https://doc.rust-lang.org/nightly/core/primitive.str.html#method.as_bytes_mut
• https://doc.rust-lang.org/nightly/core/primitive.str.html#method.as_mut_ptr

[rfcbot]

Team member @dtolnay has proposed to merge this. The next step is review by the rest of the tagged team members:

• @Amanieu
• @BurntSushi
• @dtolnay
• @joshtriplett
• @m-ou-se

No concerns currently listed.

Once a majority of reviewers approve (and at most 2 approvals are outstanding), this will enter its final comment period. If you spot a major issue that hasn't been raised at any point in this process, please speak up!

See this document for info about what commands tagged team members can give me.

[rfcbot]

🔔 This is now entering its final comment period, as per the review above. 🔔