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Implement AsRef and AsMut for fixed-sized arrays

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This commit is contained in:
Gleb Kozyrev 2015-03-25 01:37:08 +02:00
parent ed81038504
commit 3577555742
1 changed files with 19 additions and 0 deletions
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19
src/libcore/array.rs
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@ -18,6 +18,7 @@
use clone::Clone;
use cmp::{PartialEq, Eq, PartialOrd, Ord, Ordering};
use convert::{AsRef, AsMut};
use fmt;
use hash::{Hash, self};
use iter::IntoIterator;
@ -53,6 +54,24 @@ macro_rules! array_impls {
}
}
#[unstable(feature = "array_as_ref",
reason = "should ideally be implemented for all fixed-sized arrays")]
impl<T> AsRef<[T]> for [T; $N] {
#[inline]
fn as_ref(&self) -> &[T] {
&self[..]
}
}
#[unstable(feature = "array_as_ref",
reason = "should ideally be implemented for all fixed-sized arrays")]
impl<T> AsMut<[T]> for [T; $N] {
#[inline]
fn as_mut(&mut self) -> &mut [T] {
&mut self[..]
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T:Copy> Clone for [T; $N] {
fn clone(&self) -> [T; $N] {