| /* |
| * 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 If e1 translates to F then e1?.[e2] translates to: |
| * SHORT[EXP(e1), fn[x] => x[EXP(e2)]] |
| * |
| * @description Check that if e1 translates to F then e1?.[e2] translates to: |
| * SHORT[EXP(e1), fn[x] => x[EXP(e2)]] |
| * @static-warning |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| import "../../Utils/expect.dart"; |
| |
| class A { |
| int operator[](int index) => index; |
| } |
| |
| main() { |
| A a = new A(); |
| Expect.equals(42, a?.[42]); /// static type warning |
| |
| List<String> list = ["Lily", "was", "here"]; |
| Expect.equals("Lily", list?.[0]); /// static type warning |
| } |
