// 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;

main() {
  var /*@ type=List<int*>* */ v = (f) /*@ typeArgs=int* */ (
      /*@ returnType=int* */ () {
    return 1;
  });
}

List<T> f<T>(T g()) => <T>[g()];
