anchor.diff:  
     /// For now, the handler callback should be a static method or function.
     /// It seems that instance methods don't work as handler callbacks yet.
  -  static listen({port: 8777, address: "127.0.0.1",
  -      handler(socket)}) {
  +  static listen({port: 8777, address: "127.0.0.1", handler(socket)}) {
       var server = new ServerSocket(address, port);
       while (true) {
         server.spawnAccept(handler);
  
positive.code:   }
  
  }
  
negative.code: 
    doFlush() {
      var body = responseContent,
      header = "HTTP/1.1 ${statusCode} ${statusCodeList[statusCode]}"
          "\nContent-Type: text/html\nContent-Length: ",
        s = "${header}${body.length}\n\n${body}";
      var len = s.length, i, a = new Uint8List(len);
      for (i = 0; i < len; i++) {
  