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    use core::pin::Pin;
    use futures_core::stream::{FusedStream, Stream, TryStream};
    use futures_core::task::{Context, Poll};
    #[cfg(feature = "sink")]
    use futures_sink::Sink;
    use pin_project_lite::pin_project;

    pin_project! {
        /// Stream for the [`into_stream`](super::TryStreamExt::into_stream) method.
        #[derive(Debug)]
        #[must_use = "streams do nothing unless polled"]
        pub struct IntoStream<St> {
            #[pin]
            stream: St,
        }
    }

    impl<St> IntoStream<St> {
        #[inline]
        pub(super) fn new(stream: St) -> Self {
            Self { stream }
        }

        delegate_access_inner!(stream, St, ());
    }

    impl<St: TryStream + 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(
            self: Pin<&mut Self>,
            cx: &mut Context<'_>,
        ) -> Poll<Option<Self::Item>> {
            self.project().stream.try_poll_next(cx)
        }

        fn size_hint(&self) -> (usize, Option<usize>) {
            self.stream.size_hint()
        }
    }

    // Forwarding impl of Sink from the underlying stream
    #[cfg(feature = "sink")]
    impl<S: Sink<Item>, Item> Sink<Item> for IntoStream<S> {
        type Error = S::Error;

        delegate_sink!(stream, Item);
    }