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Document that ManuallyDrop::drop should not called more than once #62360

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Jul 29, 2019
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Document that ManuallyDrop::drop should not called more than once #62360

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af96b1d
Document that ManuallyDrop::drop should not called more than once
Aaron1011 Jul 4, 2019
626ae75
Improve formatting of 'ManuallyDrop'
Aaron1011 Jul 4, 2019
a93f4ab
Update wording
Aaron1011 Jul 27, 2019
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2 changes: 2 additions & 0 deletions src/libcore/mem/manually_drop.rs
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Expand Up @@ -119,6 +119,8 @@ impl<T: ?Sized> ManuallyDrop<T> {
/// This function runs the destructor of the contained value and thus the wrapped value
/// now represents uninitialized data. It is up to the user of this method to ensure the
/// uninitialized data is not actually used.
/// In particular, this function can only be called called at most once
/// for a given instance of `ManuallyDrop<T>`.
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///
/// [`ManuallyDrop::into_inner`]: #method.into_inner
#[stable(feature = "manually_drop", since = "1.20.0")]
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