impl Error for SendError

ntex/src/channel/mpsc.rs

@@ -1,8 +1,7 @@
 //! A multi-producer, single-consumer, futures-aware, FIFO queue.
-use std::any::Any;
 use std::collections::VecDeque;
-use std::error::Error;
 use std::fmt;
+use std::error::Error;
 use std::pin::Pin;
 use std::task::{Context, Poll};
 
@@ -173,6 +172,8 @@ impl<T> Drop for Receiver<T> {
 /// dropped
 pub struct SendError<T>(T);
 
+impl<T> Error for SendError<T> {}
+
 impl<T> fmt::Debug for SendError<T> {
     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         fmt.debug_tuple("SendError").field(&"...").finish()