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Diffstat (limited to 'vendor/itertools/src/concat_impl.rs')
| -rw-r--r-- | vendor/itertools/src/concat_impl.rs | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/vendor/itertools/src/concat_impl.rs b/vendor/itertools/src/concat_impl.rs deleted file mode 100644 index dc80839c..00000000 --- a/vendor/itertools/src/concat_impl.rs +++ /dev/null @@ -1,27 +0,0 @@ -/// Combine all an iterator's elements into one element by using [`Extend`]. -/// -/// [`IntoIterator`]-enabled version of [`Itertools::concat`](crate::Itertools::concat). -/// -/// This combinator will extend the first item with each of the rest of the -/// items of the iterator. If the iterator is empty, the default value of -/// `I::Item` is returned. -/// -/// ```rust -/// use itertools::concat; -/// -/// let input = vec![vec![1], vec![2, 3], vec![4, 5, 6]]; -/// assert_eq!(concat(input), vec![1, 2, 3, 4, 5, 6]); -/// ``` -pub fn concat<I>(iterable: I) -> I::Item -where - I: IntoIterator, - I::Item: Extend<<<I as IntoIterator>::Item as IntoIterator>::Item> + IntoIterator + Default, -{ - iterable - .into_iter() - .reduce(|mut a, b| { - a.extend(b); - a - }) - .unwrap_or_default() -} |
