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Added Clone implementation for ChunkBy

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This commit is contained in:
Nathaniel Woods 2025-03-04 16:33:21 -05:00
parent 2b285cd5f0
commit 8bbc080cc7
2 changed files with 20 additions and 0 deletions
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13
library/alloctests/tests/slice.rs
View file

@ -1636,6 +1636,19 @@ fn test_chunk_by() {
assert_eq!(iter.next_back(), Some(&[1][..]));
assert_eq!(iter.next(), Some(&[2, 2, 2][..]));
assert_eq!(iter.next_back(), None);
let mut iter = slice.chunk_by(|a, b| a == b);
assert_eq!(iter.next(), Some(&[1, 1, 1][..]));
assert_eq!(iter.next(), Some(&[3, 3][..]));
let mut iter_clone = iter.clone();
assert_eq!(iter.next(), Some(&[2, 2, 2][..]));
assert_eq!(iter.next(), Some(&[1][..]));
assert_eq!(iter.next(), Some(&[0][..]));
assert_eq!(iter.next(), None);
assert_eq!(iter_clone.next(), Some(&[2, 2, 2][..]));
assert_eq!(iter_clone.next(), Some(&[1][..]));
assert_eq!(iter_clone.next(), Some(&[0][..]));
assert_eq!(iter_clone.next(), None);
}
#[test]

7
library/core/src/slice/iter.rs
View file

@ -3372,6 +3372,13 @@ where
#[stable(feature = "slice_group_by", since = "1.77.0")]
impl<'a, T: 'a, P> FusedIterator for ChunkBy<'a, T, P> where P: FnMut(&T, &T) -> bool {}
#[stable(feature = "slice_group_by", since = "1.77.0")]
impl<'a, T: 'a, P: Clone> Clone for ChunkBy<'a, T, P> {
fn clone(&self) -> Self {
Self { slice: self.slice, predicate: self.predicate.clone() }
}
}
#[stable(feature = "slice_group_by", since = "1.77.0")]
impl<'a, T: 'a + fmt::Debug, P> fmt::Debug for ChunkBy<'a, T, P> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {