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Allow using Vec::<T>::place_back for T: !Clone

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The place_back was likely put into block with `T: Clone` bound by mistake.
This commit is contained in:
Simonas Kazlauskas 2017-03-29 23:01:34 +03:00
parent e1cec5d4bf
commit 1e3bc5ac4f
1 changed files with 23 additions and 23 deletions
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46
src/libcollections/vec.rs
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@ -972,6 +972,29 @@ pub fn push(&mut self, value: T) {
}
}
/// Returns a place for insertion at the back of the `Vec`.
///
/// Using this method with placement syntax is equivalent to [`push`](#method.push),
/// but may be more efficient.
///
/// # Examples
///
/// ```
/// #![feature(collection_placement)]
/// #![feature(placement_in_syntax)]
///
/// let mut vec = vec![1, 2];
/// vec.place_back() <- 3;
/// vec.place_back() <- 4;
/// assert_eq!(&vec, &[1, 2, 3, 4]);
/// ```
#[unstable(feature = "collection_placement",
reason = "placement protocol is subject to change",
issue = "30172")]
pub fn place_back(&mut self) -> PlaceBack<T> {
PlaceBack { vec: self }
}
/// Removes the last element from a vector and returns it, or [`None`] if it
/// is empty.
///
@ -1266,29 +1289,6 @@ fn extend_with_element(&mut self, n: usize, value: T) {
pub fn extend_from_slice(&mut self, other: &[T]) {
self.spec_extend(other.iter())
}
/// Returns a place for insertion at the back of the `Vec`.
///
/// Using this method with placement syntax is equivalent to [`push`](#method.push),
/// but may be more efficient.
///
/// # Examples
///
/// ```
/// #![feature(collection_placement)]
/// #![feature(placement_in_syntax)]
///
/// let mut vec = vec![1, 2];
/// vec.place_back() <- 3;
/// vec.place_back() <- 4;
/// assert_eq!(&vec, &[1, 2, 3, 4]);
/// ```
#[unstable(feature = "collection_placement",
reason = "placement protocol is subject to change",
issue = "30172")]
pub fn place_back(&mut self) -> PlaceBack<T> {
PlaceBack { vec: self }
}
}
// Set the length of the vec when the `SetLenOnDrop` value goes out of scope.