// Copyright (c) 2011, 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 "true" is a reserved word.
/// A reserved word may not be used as an identifier; it is a compile-time error
/// if a reserved word is used where an identifier is expected.
/// @description Checks that it is a compile-time error when a reserved word
/// "true" is used as a type parameter name.
/// @author rodionov


class A<true> {
//      ^
// [analyzer] unspecified
// [cfe] unspecified
  bool check(x) => x is true;
//                          ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new A().check(null);
}
