Fix bug wherein the Codec was clearing the buf after decoding a message. Don't do thatgit stash pop!

src/util.rs

@@ -136,3 +136,18 @@ pub fn spawn_core() -> reactor::Remote {
     });
     rx.recv().unwrap()
 }
+
+/// A struct that will format as the contained type if the type impls Debug.
+pub struct Debugger<'a, T: 'a>(pub &'a T);
+
+impl<'a, T: fmt::Debug> fmt::Debug for Debugger<'a, T> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+        write!(f, "{:?}", self.0)
+    }
+}
+
+impl<'a, T> fmt::Debug for Debugger<'a, T> {
+    default fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+        write!(f, "{{not debuggable}}")
+    }
+}