// 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;

class C {
  List<T> f<T>(T g()) => <T>[g()];
}

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