|  | // Copyright (c) 2013, 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 M { } | 
|  | class M0 extends Object with M0 { }  /// 01: compile-time error | 
|  | class M1 = Object with M1;         /// 02: compile-time error | 
|  |  | 
|  | class M2 = Object with M3;         /// 03: compile-time error | 
|  | class M3 = Object with M2;         /// 03: continued | 
|  |  | 
|  | class M4 = Object with M5;         /// 04: compile-time error | 
|  | class M5 = Object with M6;         /// 04: continued | 
|  | class M6 = Object with M4;         /// 04: continued | 
|  |  | 
|  | class M7 extends Object with M8 { }  /// 05: compile-time error | 
|  | class M8 extends Object with M7 { }  /// 05: continued | 
|  |  | 
|  | class M9  = Object with M91;       /// 06: compile-time error | 
|  | class M91 = Object with M92;       /// 06: continued | 
|  | class M92 = Object with M91;       /// 06: continued | 
|  |  | 
|  | main() { | 
|  | new M0();  /// 01: continued | 
|  |  | 
|  | new M1();  /// 02: continued | 
|  |  | 
|  | new M2();  /// 03: continued | 
|  | new M3();  /// 03: continued | 
|  |  | 
|  | new M4();  /// 04: continued | 
|  | new M5();  /// 04: continued | 
|  | new M6();  /// 04: continued | 
|  |  | 
|  | new M7();  /// 05: continued | 
|  | new M8();  /// 05: continued | 
|  |  | 
|  | new M9();  /// 06: continued | 
|  | } |