| // 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 It is an error if a class declaration declares an instance |
| /// variable with a potentially non-nullable type and no initializer expression, |
| /// and the class has a generative constructor where the variable is not |
| /// initialized via an initializing formal or an initializer list entry, unless |
| /// the variable is marked with the late modifier. |
| /// |
| /// @description Check that it is not an error if a class declaration declares an |
| /// instance variable with a potentially non-nullable type and no initializer |
| /// expression, and the class has a generative constructor where the variable is |
| /// not initialized via an initializing formal or an initializer list entry, but |
| /// the variable is marked with the 'late' modifier. Test FutureOr<T>, |
| /// where <T extends Object?> |
| /// @author sgrekhov@unipro.ru |
| |
| // Requirements=nnbd-strong |
| import "dart:async"; |
| |
| class C<T extends Object?> { |
| late FutureOr<T> x1; |
| late final FutureOr<T> x2; |
| covariant late FutureOr<T> x3; |
| |
| C() {} |
| } |
| |
| main() { |
| new C(); |
| } |