// Copyright (c) 2021, 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.

typedef F = T Function<T, S>(T, S);

class Class<A> {
  method() {
    const G = F;
    print(F);
    print(G);
  }
}

main() {
  new Class<int>().method();
}
