| /* |
| * Copyright (c) 2019, 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 An expression of the form e! evaluates e to a value v, throws a |
| * runtime error if v is null, and otherwise evaluates to v. |
| * |
| * @description Check that an expression of the form e! evaluates e to a value |
| * v, throws no runtime error if v is not null. Test (true) |
| * @author sgrekhov@unipro.ru |
| * @issue 39723 |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| // Requirements=nnbd-strong |
| |
| main() { |
| true!; //# 01: static type warning |
| true!.toString(); //# 02: static type warning |
| true!?.toString(); //# 03: static type warning |
| true.toString()!; //# 04: static type warning |
| } |
