| OLD | NEW |
| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 // Dart core library. | 5 // Dart core library. |
| 6 | 6 |
| 7 abstract class Comparable { | 7 abstract class Comparable { |
| 8 factory Comparable._uninstantiable() { | 8 factory Comparable._uninstantiable() { |
| 9 throw const UnsupportedOperationException( | 9 throw const UnsupportedOperationException( |
| 10 "abstract class Comparable cannot be instantiated"); | 10 "abstract class Comparable cannot be instantiated"); |
| 11 } | 11 } |
| 12 abstract int compareTo(Comparable other); | 12 abstract int compareTo(Comparable other); |
| 13 } | 13 } |
| OLD | NEW |