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Rollup merge of #83568 - RalfJung:uninit_array, r=dtolnay

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update comment at MaybeUninit::uninit_array

https://github.com/rust-lang/rust/issues/49147 is closed; this now instead needs inline const expressions (#76001).
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Dylan DPC 2021-03-30 11:34:23 +02:00 committed by GitHub
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library/core/src/mem/maybe_uninit.rs
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@ -319,9 +319,9 @@ impl<T> MaybeUninit<T> {
/// Create a new array of `MaybeUninit<T>` items, in an uninitialized state.
///
/// Note: in a future Rust version this method may become unnecessary
/// when array literal syntax allows
/// [repeating const expressions](https://github.com/rust-lang/rust/issues/49147).
/// The example below could then use `let mut buf = [MaybeUninit::<u8>::uninit(); 32];`.
/// when Rust allows
/// [inline const expressions](https://github.com/rust-lang/rust/issues/76001).
/// The example below could then use `let mut buf = [const { MaybeUninit::<u8>::uninit() }; 32];`.
///
/// # Examples
///