1 files changed, 20 insertions, 2 deletions
diff --git a/src/io/sink_writer.rs b/src/io/sink_writer.rs
index f2af262..e078952 100644
--- a/src/io/sink_writer.rs
+++ b/src/io/sink_writer.rs
@@ -1,11 +1,12 @@
 use futures_core::ready;
 use futures_sink::Sink;
 
+use futures_core::stream::Stream;
 use pin_project_lite::pin_project;
 use std::io;
 use std::pin::Pin;
 use std::task::{Context, Poll};
-use tokio::io::AsyncWrite;
+use tokio::io::{AsyncRead, AsyncWrite};
 
 pin_project! {
     /// Convert a [`Sink`] of byte chunks into an [`AsyncWrite`].
@@ -59,7 +60,7 @@ pin_project! {
     /// [`CopyToBytes`]: crate::io::CopyToBytes
     /// [`Encoder`]: crate::codec::Encoder
     /// [`Sink`]: futures_sink::Sink
-    /// [`codec`]: tokio_util::codec
+    /// [`codec`]: crate::codec
     #[derive(Debug)]
     pub struct SinkWriter<S> {
         #[pin]
@@ -115,3 +116,20 @@ where
         self.project().inner.poll_close(cx).map_err(Into::into)
     }
 }
+
+impl<S: Stream> Stream for SinkWriter<S> {
+    type Item = S::Item;
+    fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        self.project().inner.poll_next(cx)
+    }
+}
+
+impl<S: AsyncRead> AsyncRead for SinkWriter<S> {
+    fn poll_read(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+        buf: &mut tokio::io::ReadBuf<'_>,
+    ) -> Poll<io::Result<()>> {
+        self.project().inner.poll_read(cx, buf)
+    }
+}