Fix clippy warnings (#168)

websocket-chat/src/main.rs

@@ -164,7 +164,7 @@ impl StreamHandler<ws::Message, ws::ProtocolError> for WsChatSession {
                     // send message to chat server
                     self.addr.do_send(server::ClientMessage {
                         id: self.id,
-                        msg: msg,
+                        msg,
                         room: self.room.clone(),
                     })
                 }

websocket-chat/src/server.rs

@@ -68,7 +68,7 @@ impl Default for ChatServer {
 
         ChatServer {
             sessions: HashMap::new(),
-            rooms: rooms,
+            rooms,
             rng: rand::thread_rng(),
         }
     }