| // Copyright (c) 2015, 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 Evaluation of a conditional property extraction expression e of |
| /// the form e1?.id is equivalent to the evaluation of the expression |
| /// ((x) => x == null?null : x.id)(e1). The static type of e is the same as the |
| /// static type of e1.id. |
| /// @description Check that static type of the e?.id is the same as e.id. Test |
| /// method |
| /// @author sgrekhov@unipro.ru |
| |
| |
| class C { |
| int m() => 1; |
| } |
| |
| main() { |
| var c = new C() as C?; |
| Function? x = c?.m; |
| } |