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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 library utf.list_range; | 5 library utf.list_range; |
| 6 | 6 |
| 7 import 'dart:collection'; | 7 import 'dart:collection'; |
| 8 | 8 |
| 9 /** | 9 /** |
| 10 * _ListRange in an internal type used to create a lightweight Interable on a | 10 * _ListRange in an internal type used to create a lightweight Interable on a |
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| 70 void backup([int by = 1]) { | 70 void backup([int by = 1]) { |
| 71 _offset -= by; | 71 _offset -= by; |
| 72 } | 72 } |
| 73 | 73 |
| 74 int get remaining => _end - _offset - 1; | 74 int get remaining => _end - _offset - 1; |
| 75 | 75 |
| 76 void skip([int count = 1]) { | 76 void skip([int count = 1]) { |
| 77 _offset += count; | 77 _offset += count; |
| 78 } | 78 } |
| 79 } | 79 } |
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