LanguageFeatures/nnbd/const_evaluation_lib.dart

// Copyright (c) 2021, 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 With sound null safety, all generic const constructors and
/// generic const literals are evaluated using the actual type arguments
/// provided, whether legacy or non-legacy. This ensures that with sound null
/// safety, the final consistent semantics are obeyed.
///
/// @description Checks statically that actual generic class type parameter is
/// evaluated correctly for [int?] type argument.
///
/// @author iarkh@unipro.ru


class C<T> {
  final T x;
  void test(Object? o) { o as T; }
  const C(Object? o) : x = o as T;
}

class C1<T> {
  void test(Object? o) { o as T; }
  const C1();
}