| // Copyright (c) 2016, 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. |
| |
| // @dart=2.9 |
| |
| import 'dart:isolate'; |
| |
| var subscription; |
| |
| void onData(x) { |
| print(x); |
| subscription.cancel(); |
| } |
| |
| main() { |
| var string = new String.fromCharCode(65); // External string factory. |
| var port = new ReceivePort(); // External factory. |
| subscription = port.listen(onData); // Dynamic call on external instance. |
| port.sendPort.send(string); |
| } |
