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b1ce6190
编写于
9月 26, 2020
作者:
G
Guillaume Gomez
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差异文件
Add missing examples for MaybeUninit
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fadf0257
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+16
-2
library/core/src/mem/maybe_uninit.rs
library/core/src/mem/maybe_uninit.rs
+16
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library/core/src/mem/maybe_uninit.rs
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b1ce6190
...
...
@@ -246,6 +246,14 @@ impl<T> MaybeUninit<T> {
/// 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.
///
/// # Example
///
/// ```
/// use std::mem::MaybeUninit;
///
/// let v: MaybeUninit<Vec<u8>> = MaybeUninit::new(vec![42]);
/// ```
///
/// [`assume_init`]: MaybeUninit::assume_init
#[stable(feature
=
"maybe_uninit"
,
since
=
"1.36.0"
)]
#[rustc_const_stable(feature
=
"const_maybe_uninit"
,
since
=
"1.36.0"
)]
...
...
@@ -259,9 +267,15 @@ pub const fn new(val: T) -> MaybeUninit<T> {
/// 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.
///
/// See the [type-level documentation][
type
] for some examples.
/// See the [type-level documentation][
MaybeUninit
] for some examples.
///
/// [type]: union.MaybeUninit.html
/// # Example
///
/// ```
/// use std::mem::MaybeUninit;
///
/// let v: MaybeUninit<String> = MaybeUninit::uninit();
/// ```
#[stable(feature
=
"maybe_uninit"
,
since
=
"1.36.0"
)]
#[rustc_const_stable(feature
=
"const_maybe_uninit"
,
since
=
"1.36.0"
)]
#[inline(always)]
...
...
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