// Copyright (c) 2019, 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 A class declaration, type alias, or function [G] may be generic,
/// that is, [G] may have formal type parameters declared.
/// @description Checks that at least one typeParameter is a must in the generic
/// function.
/// @author iarkh@unipro.ru



class Test {
  void function<>() {}
//              ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
}
