// Copyright (c) 2020, 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.

/// @assertion If an unmigrated library re-exports a migrated library, the
/// re-exported symbols retain their migrated status (that is, downstream
/// migrated libraries will see their migrated types).
/// @description Check that if function typedef with [Never] argument is exported
/// from opted-in library to legacy library and then back to the opted in code,
/// it retains its status. Typedef is in the form [typedef <typeIdentifier>
/// <typeParameters> = <functionType>].
/// @author iarkh@unipro.ru

// Requirements=nnbd-weak

import "../../../Utils/expect.dart";
import "exports_A01_opted_out_lib.dart";

typedef exp_never_arg = void Function(Never n);

main() {
  Expect.equals(exp_never_arg, def_never_arg);
}