use super::{assert_stream, Stream};
#[derive(Debug, Clone)]
#[must_use = "streams do nothing unless polled"]
pub struct Iter<I> {
iter: I,
}
pub fn iter<I>(i: I) -> Iter<I::IntoIter>
where
I: IntoIterator,
{
assert_stream::<I::Item, _>(Iter {
iter: i.into_iter(),
})
}
impl<I> Stream for Iter<I>
where
I: Iterator,
{
type Item = I::Item;
async fn next(&mut self) -> Option<Self::Item> {
self.iter.next()
}
fn size_hint(&self) -> (usize, Option<usize>) {
self.iter.size_hint()
}
}