| // 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. | |
| import 'legacy_library.dart'; | |
| /// Performs the type test [value] is [T] in a null safe library. | |
| bool nullSafeIs<T>(Object? value) => value is T; | |
| /// Performs the type test [value] is `T?` in a legacy library. | |
| bool legacyIsNullable<T>(Object? value) => legacyIs<T?>(value); |