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use core::pin::Pin;
use futures_core::stream::Stream;
use futures_core::task::{Context, Poll};
#[derive(Debug)]
#[must_use = "streams do nothing unless polled"]
pub struct Repeat<T> {
item: T,
}
pub fn repeat<T>(item: T) -> Repeat<T>
where T: Clone
{
Repeat { item }
}
impl<T> Unpin for Repeat<T> {}
impl<T> Stream for Repeat<T>
where T: Clone
{
type Item = T;
fn poll_next(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Option<Self::Item>> {
Poll::Ready(Some(self.item.clone()))
}
}