Make the repeating argument to timers optional.

samples/socket/SocketExample.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * Shows how to use Socket, ServerSocket and InputStream.
  *
  * (This deliberately sends data slowly, to show how InputStream can be
  * read from asynchronously.)
  */
@@ skipping 35 matching lines @@
     }
 
     // send next 4 bytes slowly
     new Timer((Timer t) {
       sendByte();
       if (bytesSent == bytesTotal) {
         sendSocket.close();
         t.cancel();
         print("finished sending");
       }
-    }, 500, true );
+    }, 500, true);

[Søren Gjesse, 2011/12/19 12:10:45]

Maybe "repeating: true" here and in places where true is passed. Otherwise have
the Timer.repeating constructor.

   }
 
   void onConnect(Socket connection) {
     receiveSocket = connection;
     inputStream = receiveSocket.inputStream;
     inputStream.dataHandler = receiveBytes;
   }
 
   void sendByte() {
     sendSocket.writeList(const [65], 0, 1);
@@ skipping 11 matching lines @@
     print("received ${numBytes} bytes (${bytesReceived} bytes total)");
     if (bytesReceived >= bytesTotal) {
       receiveSocket.close();
       serverSocket.close();
       print("done");
     }
   }
 }
 
 void main() => new SocketExample().go();