| /* |
| * 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 It is an error if the object being iterated over by a for-in loop |
| * has a static type which is not dynamic, and is not a subtype of |
| * Iterable<dynamic> |
| * |
| * @description Check that it is no error if the object being iterated over by a |
| * for-in loop has a static type which is dynamic, or a subtype of |
| * Iterable<dynamic> |
| * @author sgrekhov@unipro.ru |
| */ |
| // Requirements=nnbd-strong |
| |
| class C { |
| } |
| |
| main() { |
| C c = C(); |
| dynamic d = [c, Object()]; |
| List<C> list1 = [C(), C(), C()]; |
| List<C?> list2 = [C(), null, C()]; |
| |
| for (var o in d) {} |
| for (C c in list1) {} |
| for (C? c in list2) {} |
| for (var o in [Object(), Object()]) {} |
| for (var o in [Object(), null, c]) {} |
| } |
