|  | // Copyright (c) 2018, 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. | 
|  | // Dart test program to test arithmetic operations. | 
|  |  | 
|  | // There is an interface conflict here due to a loop in the class | 
|  | // hierarchy leading to an infinite set of implemented types; this loop | 
|  | // shouldn't cause non-termination. | 
|  | /*@compile-error=unspecified*/ class A<T> implements B<List<T>> {} | 
|  |  | 
|  | /*@compile-error=unspecified*/ class B<T> implements A<List<T>> {} | 
|  |  | 
|  | main() { | 
|  | new A(); | 
|  | new B(); | 
|  | } |