// 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.

/*@testedFeatures=inference*/
library test;

var /*@topType=() -> Future<int>*/ f = /*@returnType=Future<int>*/ () async =>
    0;

main() {
  f;
}