|  | // 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. | 
|  | // VMOptions=--enable_type_checks | 
|  | // | 
|  | // Dart test program testing generic type allocations and generic type tests. | 
|  |  | 
|  | class A<E> {} | 
|  |  | 
|  | class Pair<P, Q> extends A /* i.e. extends A<dynamic> */ { | 
|  | final P fst; | 
|  | final Q snd; | 
|  | Pair(this.fst, this.snd); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | print(new Pair<int, int>(1, 2)); | 
|  | print(new Pair<String, int>("1", 2)); | 
|  | } |