| /* |
| * 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)]]. Test legacy pre-NNBD types |
| * @static-warning |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable,nonfunction-type-aliases |
| import "../../Utils/expect.dart"; |
| import "legacy_library_lib.dart"; |
| |
| main() { |
| A? a1 = null; |
| Expect.isNull(a1?.[42]); |
| a1 = new A(); |
| Expect.equals(42, a1?.[42]); |
| |
| A a2 = new A(); |
| Expect.equals(42, a2?.[42]); /// static type warning |
| } |
