| // 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 assigned is a boolean value indicating whether the variable has |
| * definitely been assigned at the given point in the source code. When assigned |
| * is true, we say that the variable is definitely assigned at that point. |
| * |
| * @description Checks definite assignment and while loop |
| * |
| * @author sgrekhov@unipro.ru |
| */ |
| // Requirements=nnbd-weak |
| |
| main() { |
| int n; |
| while ((n = 42) < 1) { |
| } |
| n; // It's not an error to read local non-nullable variable when it is definitely assigned |
| } |
