Tracking Issue for `cast_maybe_uninit`

Feature gate: #![feature(cast_maybe_uninit)]

This is a tracking issue for the cast_init and cast_uninit methods on pointers.

Public API

impl<T> *const T {
    pub const fn cast_uninit(self) -> *const MaybeUninit<T>;
}
impl<T> *mut T {
    pub const fn cast_uninit(self) -> *mut MaybeUninit<T>;
}
impl<T> NonNull<T> {
    pub const fn cast_uninit(self) -> NonNull<MaybeUninit<T>>;
}
impl<T> *const MaybeUninit<T> {
    pub const fn cast_init(self) -> *const T;
}
impl<T> *mut MaybeUninit<T> {
    pub const fn cast_init(self) -> *mut T;
}
impl<T> NonNull<MaybeUninit<T>> {
    pub const fn cast_init(self) -> NonNull<T>;
}

Steps / History

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

• ACP: rust-lang/libs-team#627
• Implementation: #145325
• Final comment period (FCP)^1
• Stabilization PR

Unresolved Questions

• None yet.

Review implementation PR #145325 and the stabilization guide linked in the issue first. The remaining work shown is the final comment period and stabilization PR; done means those unchecked lifecycle steps are completed.