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Tracking Issue for const_replace #83164

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Tracked by #16
usbalbin opened this issue Mar 15, 2021 · 2 comments
Open
1 of 3 tasks
Tracked by #16

Tracking Issue for const_replace #83164

usbalbin opened this issue Mar 15, 2021 · 2 comments
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C-tracking-issue Category: A tracking issue for an RFC or an unstable feature. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.

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@usbalbin
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usbalbin commented Mar 15, 2021 •
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Feature gate: #![feature(const_replace)]

This is a tracking issue for making the functions mem::replace and ptr::replace const fn.

Public API

mod mem {
    pub const fn replace<T>(dest: &mut T, src: T) -> T;
}

mod ptr {
    pub const unsafe fn replace<T>(dst: *mut T, mut src: T) -> T;
}

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@usbalbin usbalbin added C-tracking-issue Category: A tracking issue for an RFC or an unstable feature. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. labels Mar 15, 2021
@RalfJung
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This got reverted again by #86003, but hopefully we can re-land it soon.

@jplatte jplatte mentioned this issue Aug 27, 2021
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@Zizico2
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Zizico2 commented Jan 1, 2023

status on this? is any help needed?

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C-tracking-issue Category: A tracking issue for an RFC or an unstable feature. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
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@RalfJung @usbalbin @Zizico2