1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/futures-util/src/stream/try_stream/into_stream.rs b/vendor/futures-util/src/stream/try_stream/into_stream.rs
new file mode 100644
index 000000000..2126258af
--- /dev/null
+++ b/vendor/futures-util/src/stream/try_stream/into_stream.rs
@@ -0,0 +1,52 @@
+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);
+}