Language/Interfaces/Superinterfaces/superinterface_of_itself_t02.dart

// 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.

// @dart = 2.9

/// @assertion It is a compile-time error if an interface is a superinterface
/// of itself.
/// @description Checks that it is a compile-time error if a generic interface
/// is a superinterface of itself.
/// @author rodionov
/// @reviewer kaigorodov


abstract class I<T> implements I<T> {}
//             ^
// [analyzer] unspecified
// [cfe] unspecified

class A implements I {}
//    ^
// [cfe] unspecified

main() {
  try {
    new A();
  } catch (e) {}
}