Tracking Issue for `const_maybe_uninit_zeroed`

[lilasta]

Feature gate: #![feature(const_maybe_uninit_zeroed)]

This is a tracking issue for implementing const MaybeUninit::zeroed.

Public API

// core::mem
impl<T> MaybeUninit<T> {
    pub const fn zeroed() -> MaybeUninit<T>;
}

Steps / History

• Implementation: Make MaybeUninit::zeroed const #91851
• Final comment period (FCP)
• Stabilization PR

Unresolved Questions

• None yet.

[joshlf]

Is this waiting for anything before being stabilized?

[lilasta]

Yes. This is waiting for const_ptr_write(#86302) and const_maybe_uninit_as_mut_ptr(#75251).

[dtolnay]

Could someone with a use case for this please help out with a compelling example for the docs in #116218 (review)? Thanks!