| /* |
| * 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 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 for-in loop |
| * |
| * @author sgrekhov@unipro.ru |
| */ |
| // Requirements=nnbd-strong |
| |
| main() { |
| var collection = [3, 1, 4, 1, 5]; |
| int n; |
| for (var v in [n = 42]) { |
| } |
| n; // It's not an error to read local non-nullable variable when it is definitely assigned |
| } |
