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Tracking Issue for const_eq_ignore_ascii_case #131719

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okaneco opened this issue Oct 15, 2024 · 0 comments
Open
1 of 3 tasks

Tracking Issue for const_eq_ignore_ascii_case #131719

okaneco opened this issue Oct 15, 2024 · 0 comments
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C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.

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@okaneco
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okaneco commented Oct 15, 2024 •
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Feature gate: #![feature(const_eq_ignore_ascii_case)]

This is a tracking issue for const eq_ignore_ascii_case on [u8] and str.

Public API

impl [u8] {
    pub const fn eq_ignore_ascii_case(&self, other: &[u8]) -> bool;
}
impl str {
    pub const fn eq_ignore_ascii_case(&self, other: &str) -> bool;
}

Steps / History

Unresolved Questions

  • None yet.

Footnotes

  1. https://std-dev-guide.rust-lang.org/feature-lifecycle/stabilization.html ↩
@okaneco okaneco added C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. labels Oct 15, 2024
@okaneco okaneco mentioned this issue Oct 15, 2024
Merged
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Nov 5, 2024
@matthiaskrgr
Rollup merge of rust-lang#131721 - okaneco:const_eq_ignore_ascii_case…
6c8ea8f 
…, r=m-ou-se

Add new unstable feature `const_eq_ignore_ascii_case`

Tracking issue - rust-lang#131719

Mark `[u8]`, `str` `eq_ignore_ascii_case` functions const

---

The codegen for this implementation matches the existing `iter::zip` implementation better than incrementing with a counter

while loop with counter - https://rust.godbolt.org/z/h9cs5zajc
while let - https://rust.godbolt.org/z/ecMeMjjEb
bors added a commit to rust-lang-ci/rust that referenced this issue Nov 6, 2024
@bors
Auto merge of rust-lang#131721 - okaneco:const_eq_ignore_ascii_case, …
2796048 
…r=m-ou-se

Add new unstable feature `const_eq_ignore_ascii_case`

Tracking issue - rust-lang#131719

Mark `[u8]`, `str` `eq_ignore_ascii_case` functions const

---

The codegen for this implementation matches the existing `iter::zip` implementation better than incrementing with a counter

while loop with counter - https://rust.godbolt.org/z/h9cs5zajc
while let - https://rust.godbolt.org/z/ecMeMjjEb
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