// Copyright (c) 2017, 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 | |
/*@testedFeatures=inference*/ | |
library test; | |
import 'dart:async'; | |
main() async { | |
var /*@ type=() ->* Stream<Null>* */ f = /*@ returnType=Stream<Null>* */ () async* { | |
yield null; | |
}; | |
Stream y = f(); | |
Stream<String> z = f(); | |
String s = await f(). /*@target=Stream.first*/ first; | |
} |