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Use inline const blocks to create arrays of MaybeUninit. #125995

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merged 2 commits into from
Jun 5, 2024
Merged

Use inline const blocks to create arrays of MaybeUninit. #125995

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ac96fa4
Use inline const instead of unsafe to construct arrays in `MaybeUnini…
kpreid May 13, 2024
ec8fa17
Use inline const instead of unsafe to implement `MaybeUninit::uninit_…
kpreid May 13, 2024
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Use inline const instead of unsafe to implement `MaybeUninit::uninit_… 
…array()`.
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@kpreid
kpreid committed Jun 4, 2024
commit ec8fa177190f1f0279fade487dfa4cef23dd1101
3 changes: 1 addition & 2 deletions library/core/src/mem/maybe_uninit.rs
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Expand Up @@ -342,8 +342,7 @@ impl<T> MaybeUninit<T> {
#[must_use]
#[inline(always)]
pub const fn uninit_array<const N: usize>() -> [Self; N] {
// SAFETY: An uninitialized `[MaybeUninit<_>; LEN]` is valid.
unsafe { MaybeUninit::<[MaybeUninit<T>; N]>::uninit().assume_init() }
[const { MaybeUninit::uninit() }; N]
}

/// Creates a new `MaybeUninit<T>` in an uninitialized state, with the memory being
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