|  | // Copyright (c) 2014, 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. | 
|  |  | 
|  | class C { | 
|  | final double d; | 
|  | const C(this.d); | 
|  | } | 
|  |  | 
|  | class D extends C { | 
|  | const D(var d) : super(d); | 
|  | } | 
|  |  | 
|  | const c = const C(0.0); /// 01: ok | 
|  | const d = const C(0); /// 02: static type warning, checked mode compile-time error | 
|  | const e = const D(0.0); /// 03: ok | 
|  | const f = const D(0); /// 04: checked mode compile-time error | 
|  |  | 
|  | main() { | 
|  | print(c); /// 01: continued | 
|  | print(d); /// 02: continued | 
|  | print(e); /// 03: continued | 
|  | print(f); /// 04: continued | 
|  | } |