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use std::pin::Pin;
use crate::stream::{PollRecv, Stream};
use crate::Context;
pub struct RepeatStream<T> {
data: T,
}
impl<T> RepeatStream<T>
where
T: Clone,
{
pub fn new(data: T) -> Self {
Self { data }
}
}
impl<T> Stream for RepeatStream<T>
where
T: Clone,
{
type Item = T;
fn poll_recv(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> PollRecv<Self::Item> {
PollRecv::Ready(self.data.clone())
}
}
#[cfg(test)]
mod tests {
use std::pin::Pin;
use crate::{
stream::{PollRecv, Stream},
Context,
};
use super::RepeatStream;
#[test]
fn test() {
let mut repeat = RepeatStream::new(1usize);
let mut cx = Context::empty();
assert_eq!(PollRecv::Ready(1), Pin::new(&mut repeat).poll_recv(&mut cx));
assert_eq!(PollRecv::Ready(1), Pin::new(&mut repeat).poll_recv(&mut cx));
assert_eq!(PollRecv::Ready(1), Pin::new(&mut repeat).poll_recv(&mut cx));
}
}