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Clarify MaybeUninit::zeroed padding docs #157370

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Clarify MaybeUninit::zeroed padding docs #157370

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3 changes: 2 additions & 1 deletion library/core/src/mem/maybe_uninit.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -437,7 +437,8 @@ impl<T> MaybeUninit<T> {
/// be null.
///
/// Note that if `T` has padding bytes, those bytes are *not* preserved when the
/// `MaybeUninit<T>` value is returned from this function, so those bytes will *not* be zeroed.
/// `MaybeUninit<T>` value is returned from this function, so those bytes are not
/// guaranteed to be zeroed.
///
/// Note that dropping a `MaybeUninit<T>` will never call `T`'s drop code.
/// It is your responsibility to make sure `T` gets dropped if it got initialized.
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