extra: silence warnings during testing.

Author: huonw

src/libextra/comm.rs

@@ -101,7 +101,7 @@ mod test {
 
     #[test]
     pub fn DuplexStream1() {
-        let (mut left, mut right) = DuplexStream::new();
+        let (left, right) = DuplexStream::new();
 
         left.send(~"abc");
         right.send(123);
@@ -112,10 +112,9 @@ mod test {
 
     #[test]
     pub fn basic_rendezvous_test() {
-        let (mut port, chan) = rendezvous();
+        let (port, chan) = rendezvous();
 
         do spawn {
-            let mut chan = chan;
             chan.send("abc");
         }
 
@@ -126,9 +125,8 @@ mod test {
     fn recv_a_lot() {
         // Rendezvous streams should be able to handle any number of messages being sent
         do run_in_uv_task {
-            let (mut port, chan) = rendezvous();
+            let (port, chan) = rendezvous();
             do spawn {
-                let mut chan = chan;
                 1000000.times(|| { chan.send(()) })
             }
             1000000.times(|| { port.recv() })
@@ -137,9 +135,8 @@ mod test {
 
     #[test]
     fn send_and_fail_and_try_recv() {
-        let (mut port, chan) = rendezvous();
+        let (port, chan) = rendezvous();
         do spawn {
-            let mut chan = chan;
             chan.duplex_stream.send(()); // Can't access this field outside this module
             fail!()
         }
@@ -148,9 +145,8 @@ mod test {
 
     #[test]
     fn try_send_and_recv_then_fail_before_ack() {
-        let (port, mut chan) = rendezvous();
+        let (port, chan) = rendezvous();
         do spawn {
-            let mut port = port;
             port.duplex_stream.recv();
             fail!()
         }
@@ -160,9 +156,8 @@ mod test {
     #[test]
     #[should_fail]
     fn send_and_recv_then_fail_before_ack() {
-        let (port, mut chan) = rendezvous();
+        let (port, chan) = rendezvous();
         do spawn {
-            let mut port = port;
             port.duplex_stream.recv();
             fail!()
         }