| // Copyright (c) 2017, 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. |
| // @dart=2.9 |
| bool f(List x) { |
| return x.expand((y) { |
| // Since y has type dynamic, y.split(',') has type dynamic, so an implicit |
| // downcast is needed. The return context is Iterable<?>. We should |
| // generate an implicit downcast to Iterable<dynamic>. |
| return y.split(','); |
| }).any((y) => y == 'z'); |
| } |
| |
| main() {} |