| // Copyright (c) 2012, 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. | 
 |  | 
 | // Test that it is legal to override a field with a field in an interface. | 
 |  | 
 | abstract class IA { | 
 |   final int foo; | 
 |   IA(this.foo); | 
 | } | 
 |  | 
 | abstract class IB implements IA { | 
 |   final int foo; | 
 |   IB(this.foo); | 
 | } | 
 |  | 
 | class B implements IB { | 
 |   int _f = 123; | 
 |   int get foo => _f; | 
 | } | 
 |  | 
 | main() { | 
 |   IB b = new B(); | 
 |   print('b.foo = ${b.foo}'); | 
 | } |