Add MaybeUninit::assume_init_drop. #76484
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ManuallyDrop's documentation tells the user to use MaybeUninit instead when handling uninitialized data. However, the main functionality of ManuallyDrop (drop) was not available directly on MaybeUninit. Adding it makes it easier to switch from one to the other.
jyn514
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r? @RalfJung |
RalfJung
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RalfJung
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Sep 9, 2020
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This is perfect. :) @bors r+ rollup |
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📌 Commit 43c7a9b has been approved by |
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…it-drop, r=RalfJung Add MaybeUninit::assume_init_drop. `ManuallyDrop`'s documentation tells the user to use `MaybeUninit` instead when handling uninitialized data. However, the main functionality of `ManuallyDrop` (`drop`) is not available directly on `MaybeUninit`. Adding it makes it easier to switch from one to the other. I re-used the `maybe_uninit_extra` feature and tracking issue number (rust-lang#63567), since it seems very related. (And to avoid creating too many features tracking issues for `MaybeUninit`.)
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Rollup of 7 pull requests Successful merges: - rust-lang#76114 (Add saturating methods for `Duration`) - rust-lang#76297 (rustdoc: fix min_const_generics with ty::Param) - rust-lang#76484 (Add MaybeUninit::assume_init_drop.) - rust-lang#76530 (Eliminate mut reference UB in Drop impl for Rc<T>) - rust-lang#76583 (Update `std::os` module documentation.) - rust-lang#76599 (Finish off revisions for const generics UI tests.) - rust-lang#76615 (Add missing examples on binary core traits) Failed merges: r? `@ghost`
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ManuallyDrop's documentation tells the user to useMaybeUninitinstead when handling uninitialized data. However, the main functionality ofManuallyDrop(drop) is not available directly onMaybeUninit. Adding it makes it easier to switch from one to the other.I re-used the
maybe_uninit_extrafeature and tracking issue number (#63567), since it seems very related. (And to avoid creating too many features tracking issues forMaybeUninit.)