| // 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 'dart:async'; |
| |
| /// A class that should be ignored but it used embed the type signatures |
| /// actually being tested. |
| class Embed<T> {} |
| |
| Type extractType<T>() => T; |
| Type nonNullableFutureOrOf<T>() => extractType<FutureOr<T>>(); |
| |
| final nullableFutureOfNull = extractType<Future<Null>?>(); |
| final embeddedNullableFutureOfNull = extractType<Embed<Future<Null>?>>(); |
