|  | // 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. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | class I<T> { } | 
|  |  | 
|  | class J<T> { } | 
|  |  | 
|  | class S<U extends Set<V>, V> { } | 
|  |  | 
|  | class M<U, V, T extends Map<U, V>> { | 
|  | t() { return T; } | 
|  | } | 
|  |  | 
|  | class A<U, V extends List> = Object with M<U, V, Map<U, V>> implements I<V>; | 
|  |  | 
|  | class C<T, K> = S<Set<T>, T> with A<T, List<K>> implements J<K>; | 
|  |  | 
|  | main() { | 
|  | var c = new C<int, bool>(); | 
|  | Expect.equals("Map<int, List<bool>>", c.t().toString()); | 
|  | Expect.isTrue(c is I<List<bool>>); | 
|  | Expect.isTrue(c is J<bool>); | 
|  | Expect.isTrue(c is S<Set<int>, int>); | 
|  | Expect.isTrue(c is A<int, List<bool>>); | 
|  | Expect.isTrue(c is M<int, List<bool>, Map<int, List<bool>>>); | 
|  | } |