// Copyright (c) 2016, 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

/// @assertion It is a static warning if the declared return type of a function
/// marked async may not be assigned to Future.
///
/// @description Check that it is no compile time error, if the declared
/// return type of asynchronous function may not be assigned to Future but is
/// void.
/// @author a.semenov@unipro.ru


void h() async {
  return null;
}

main() {
  h();
}