LanguageFeatures/nnbd/weak/type-normalization/norm_A04_t01.dart

// 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
 * NORM(T*) =
 *  let S be NORM(T)
 *  if S is a top type then S
 *  if S is Null then Null
 *  if S is R? then R?
 *  if S is R* then R*
 *  else S*
 *
 * @description Checks that if NORM(T) is a top type then NORM(T*) = NORM(T)
 *
 * @author sgrekhov@unipro.ru
 */
// Requirements=nnbd-weak
import 'opted_in_lib.dart';
import 'opted_out_lib.dart';

class CD extends LD implements LA<dynamic> {}
class CV extends LV implements LA<void> {}
class CO extends LF<Object?> implements A<Object?> {}

main() {
  new CD();
  new CV();
  new CO();
}