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Showing content from https://github.com/rust-lang/rust/issues/136327 below:

Tracking Issue for `unsafe_cell_access` · Issue #136327 · rust-lang/rust · GitHub

Feature gate: #![feature(unsafe_cell_access)]

This is a tracking issue for direct access APIs on UnsafeCell (without going through raw pointers).

// core::cell

impl<T> UnsafeCell<T> {
    pub unsafe fn replace(&self, new_value: T) -> T;
}
impl<T: ?Sized> UnsafeCell<T> {
    pub unsafe fn as_ref_unchecked(&self) -> &T;
    pub unsafe fn as_mut_unchecked(&self) -> &mut T;
}

• ACP: UnsafeCell access APIs libs-team#521
• Implementation: add UnsafeCell direct access APIs #136398
• Final comment period (FCP)¹
• Stabilization PR

• None yet.

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

Serial-ATA, nazar-pc, Xendergo and quackzar

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