/*
 * Copyright (c) 2018, 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.
 */
/**
 * @description Regression test for the issue 33699 (Dart does not throw error
 * if function argument parameter extends void) Checks that function cannot have
 * parameter which extends [void].
 * @compile-error
 * @author iarkh@unipro.ru
 */

typedef F<X extends void> = void Function();
main() {}