diff options
Diffstat (limited to 'vendor/itertools/src/groupbylazy.rs')
| -rw-r--r-- | vendor/itertools/src/groupbylazy.rs | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/vendor/itertools/src/groupbylazy.rs b/vendor/itertools/src/groupbylazy.rs index a5a321df4..80c6f09f3 100644 --- a/vendor/itertools/src/groupbylazy.rs +++ b/vendor/itertools/src/groupbylazy.rs @@ -19,7 +19,7 @@ impl<A, K, F: ?Sized> KeyFunction<A> for F /// `ChunkIndex` acts like the grouping key function for `IntoChunks` -#[derive(Debug)] +#[derive(Debug, Clone)] struct ChunkIndex { size: usize, index: usize, @@ -50,7 +50,7 @@ impl<A> KeyFunction<A> for ChunkIndex { } } - +#[derive(Clone)] struct GroupInner<K, I, F> where I: Iterator { @@ -471,6 +471,13 @@ pub struct IntoChunks<I> index: Cell<usize>, } +impl<I> Clone for IntoChunks<I> + where I: Clone + Iterator, + I::Item: Clone, +{ + clone_fields!(inner, index); +} + impl<I> IntoChunks<I> where I: Iterator, @@ -507,6 +514,7 @@ impl<'a, I> IntoIterator for &'a IntoChunks<I> /// /// See [`.chunks()`](crate::Itertools::chunks) for more information. #[must_use = "iterator adaptors are lazy and do nothing unless consumed"] +#[derive(Clone)] pub struct Chunks<'a, I: 'a> where I: Iterator, I::Item: 'a, |