/// # Examples
///
/// ```
- /// #![feature(chunks_exact)]
- ///
/// let slice = ['l', 'o', 'r', 'e', 'm'];
/// let mut iter = slice.chunks_exact(2);
/// assert_eq!(iter.next().unwrap(), &['l', 'o']);
///
/// [`chunks`]: #method.chunks
/// [`rchunks_exact`]: #method.rchunks_exact
- #[unstable(feature = "chunks_exact", issue = "47115")]
+ #[stable(feature = "chunks_exact", since = "1.31.0")]
#[inline]
pub fn chunks_exact(&self, chunk_size: usize) -> ChunksExact<T> {
assert!(chunk_size != 0);
/// # Examples
///
/// ```
- /// #![feature(chunks_exact)]
- ///
/// let v = &mut [0, 0, 0, 0, 0];
/// let mut count = 1;
///
///
/// [`chunks_mut`]: #method.chunks_mut
/// [`rchunks_exact_mut`]: #method.rchunks_exact_mut
- #[unstable(feature = "chunks_exact", issue = "47115")]
+ #[stable(feature = "chunks_exact", since = "1.31.0")]
#[inline]
pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> ChunksExactMut<T> {
assert!(chunk_size != 0);
/// [`remainder`]: ../../std/slice/struct.ChunksExact.html#method.remainder
/// [slices]: ../../std/primitive.slice.html
#[derive(Debug)]
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
pub struct ChunksExact<'a, T:'a> {
v: &'a [T],
rem: &'a [T],
chunk_size: usize
}
-#[unstable(feature = "chunks_exact", issue = "47115")]
impl<'a, T> ChunksExact<'a, T> {
/// Return the remainder of the original slice that is not going to be
/// returned by the iterator. The returned slice has at most `chunk_size-1`
/// elements.
+ #[stable(feature = "chunks_exact", since = "1.31.0")]
pub fn remainder(&self) -> &'a [T] {
self.rem
}
}
// FIXME(#26925) Remove in favor of `#[derive(Clone)]`
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<T> Clone for ChunksExact<'_, T> {
fn clone(&self) -> Self {
ChunksExact {
}
}
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<'a, T> Iterator for ChunksExact<'a, T> {
type Item = &'a [T];
}
}
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<'a, T> DoubleEndedIterator for ChunksExact<'a, T> {
#[inline]
fn next_back(&mut self) -> Option<&'a [T]> {
}
}
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<T> ExactSizeIterator for ChunksExact<'_, T> {
fn is_empty(&self) -> bool {
self.v.is_empty()
#[unstable(feature = "trusted_len", issue = "37572")]
unsafe impl<T> TrustedLen for ChunksExact<'_, T> {}
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<T> FusedIterator for ChunksExact<'_, T> {}
#[doc(hidden)]
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
unsafe impl<'a, T> TrustedRandomAccess for ChunksExact<'a, T> {
unsafe fn get_unchecked(&mut self, i: usize) -> &'a [T] {
let start = i * self.chunk_size;
/// [`into_remainder`]: ../../std/slice/struct.ChunksExactMut.html#method.into_remainder
/// [slices]: ../../std/primitive.slice.html
#[derive(Debug)]
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
pub struct ChunksExactMut<'a, T:'a> {
v: &'a mut [T],
rem: &'a mut [T],
chunk_size: usize
}
-#[unstable(feature = "chunks_exact", issue = "47115")]
impl<'a, T> ChunksExactMut<'a, T> {
/// Return the remainder of the original slice that is not going to be
/// returned by the iterator. The returned slice has at most `chunk_size-1`
/// elements.
+ #[stable(feature = "chunks_exact", since = "1.31.0")]
pub fn into_remainder(self) -> &'a mut [T] {
self.rem
}
}
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<'a, T> Iterator for ChunksExactMut<'a, T> {
type Item = &'a mut [T];
}
}
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<'a, T> DoubleEndedIterator for ChunksExactMut<'a, T> {
#[inline]
fn next_back(&mut self) -> Option<&'a mut [T]> {
}
}
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<T> ExactSizeIterator for ChunksExactMut<'_, T> {
fn is_empty(&self) -> bool {
self.v.is_empty()
#[unstable(feature = "trusted_len", issue = "37572")]
unsafe impl<T> TrustedLen for ChunksExactMut<'_, T> {}
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
impl<T> FusedIterator for ChunksExactMut<'_, T> {}
#[doc(hidden)]
-#[unstable(feature = "chunks_exact", issue = "47115")]
+#[stable(feature = "chunks_exact", since = "1.31.0")]
unsafe impl<'a, T> TrustedRandomAccess for ChunksExactMut<'a, T> {
unsafe fn get_unchecked(&mut self, i: usize) -> &'a mut [T] {
let start = i * self.chunk_size;