| // Copyright (c) 2011, 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. | 
 | // Disallow re-assignment of a final static variable. | 
 |  | 
 | class A { | 
 |   static const x = 1; | 
 | } | 
 |  | 
 | class B { | 
 |   const B() : n = 5; | 
 |   final n; | 
 |   static const a; // //# 02: syntax error | 
 |   static const b = 3 + 5; | 
 | } | 
 |  | 
 | main() { | 
 |   A.x = 2; // //# 01: static type warning, runtime error | 
 |   new B(); | 
 |   print(B.b); | 
 |   print(B.a); // //# 02: continued | 
 | } |