blob: 1ad948221a4ca781faaea469dce445670f409379 [file] [log] [blame]
/*
* 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 The NORM relation defines the canonical representative of classes
* of equivalent types...
* This is based on the following equations:
* T?? == T?
*
* @description Checks that T?? == T?
*
* @author sgrekhov@unipro.ru
*/
// Requirements=nnbd-strong
class T {}
class A<X> {}
class B<X> implements A<X?> {}
class C extends B<T?> implements A<T?> {}
main() {
new C();
}