Merge pull request #47 from sunfishcode/sunfishcode/readwrite-impls

Implement `AsyncRead`/`AsyncWrite` for `&mut T`.

Author: pchickey

src/io/read.rs

@@ -25,3 +25,15 @@ pub trait AsyncRead {
         }
     }
 }
+
+impl<R: AsyncRead + ?Sized> AsyncRead for &mut R {
+    #[inline]
+    async fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
+        (*self).read(buf).await
+    }
+
+    #[inline]
+    async fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
+        (*self).read_to_end(buf).await
+    }
+}

src/io/write.rs

@@ -17,3 +17,20 @@ pub trait AsyncWrite {
         }
     }
 }
+
+impl<W: AsyncWrite + ?Sized> AsyncWrite for &mut W {
+    #[inline]
+    async fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+        (*self).write(buf).await
+    }
+
+    #[inline]
+    async fn flush(&mut self) -> io::Result<()> {
+        (*self).flush().await
+    }
+
+    #[inline]
+    async fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
+        (*self).write_all(buf).await
+    }
+}