1use super::{assert_stream, Stream};
2
3#[derive(Debug, Clone)]
5#[must_use = "streams do nothing unless polled"]
6pub struct Iter<I> {
7 iter: I,
8}
9
10pub fn iter<I>(i: I) -> Iter<I::IntoIter>
13where
14 I: IntoIterator,
15{
16 assert_stream::<I::Item, _>(Iter {
17 iter: i.into_iter(),
18 })
19}
20
21impl<I> Stream for Iter<I>
22where
23 I: Iterator,
24{
25 type Item = I::Item;
26
27 async fn next(&mut self) -> Option<Self::Item> {
28 self.iter.next()
29 }
30
31 fn size_hint(&self) -> (usize, Option<usize>) {
32 self.iter.size_hint()
33 }
34}