| // Copyright (c) 2016, 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 |
| |
| import "package:expect/expect.dart"; |
| |
| // Duplicate definition checks for `this.x` will check the scopes associated |
| // with the constructor, not all enclosing scopes; so this is not a conflict. |
| var x; |
| |
| class A { |
| var x; |
| A(this.x) { |
| // In the body the field is in scope, not the initializing formal; |
| // so we can use the setter. |
| x += 1; |
| } |
| } |
| |
| main() { |
| A a = new A(2); |
| Expect.equals(a.x, 3); |
| } |