| /* |
| * 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 A check of the form [e != null] or of the form [e is T] where [e] |
| * has static type [T?] promotes the type of [e] to [T] in the [true] |
| * continuation, and to [Null] in the [false] continuation. |
| * |
| * @description Check that type of [e] is promoted to [T] in the [true] |
| * condition. Test [e != null] expression. Test pre-NNBD legacy types. |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| import "legacy_library_lib.dart"; |
| |
| main() { |
| A? a = new A(); |
| |
| if (a != null) { |
| a.foo(); |
| A a1 = a; |
| } |
| } |
