blob: 313971f3533bf358b97c5fcb04dc79dd1d8a0f1c [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:
/// X extend Never == Never
/// @description Checks that X extend Never == Never
/// @author
// Requirements=nnbd-strong
class A<X> {}
class B<X extends Never> implements A<X> {}
class C extends B<Never> implements A<Never> {}
main() {
new C();