blob: 411caff7430fad67a173e82c01aecc2233af9fec [file] [log] [blame]
use core::pin::Pin;
use futures_core::stream::{FusedStream, Stream, TryStream};
use futures_core::task::{LocalWaker, Poll};
use pin_utils::unsafe_pinned;
/// Stream for the [`into_stream`](super::TryStreamExt::into_stream) combinator.
#[derive(Debug)]
#[must_use = "streams do nothing unless polled"]
pub struct IntoStream<St> {
stream: St,
}
impl<St> IntoStream<St> {
unsafe_pinned!(stream: St);
#[inline]
pub(super) fn new(stream: St) -> Self {
IntoStream { stream }
}
/// Acquires a reference to the underlying stream that this combinator is
/// pulling from.
pub fn get_ref(&self) -> &St {
&self.stream
}
/// Acquires a mutable reference to the underlying stream that this
/// combinator is pulling from.
pub fn get_mut(&mut self) -> &mut St {
&mut self.stream
}
/// Consumes this combinator, returning the underlying stream.
pub fn into_inner(self) -> St {
self.stream
}
}
impl<St: FusedStream> FusedStream for IntoStream<St> {
fn is_terminated(&self) -> bool {
self.stream.is_terminated()
}
}
impl<St: TryStream> Stream for IntoStream<St> {
type Item = Result<St::Ok, St::Error>;
#[inline]
fn poll_next(
mut self: Pin<&mut Self>,
lw: &LocalWaker,
) -> Poll<Option<Self::Item>> {
self.stream().try_poll_next(lw)
}
}