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| 1 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 /** | 5 /** | 
| 6  * Contains functions that are included by default in [PolymerExpressions]. | 6  * Contains functions that are included by default in [PolymerExpressions]. | 
| 7  * | 7  * | 
| 8  *   - [enumerate]: a convenient way to iterate over items and the indexes. | 8  *   - [enumerate]: a convenient way to iterate over items and the indexes. | 
| 9  */ | 9  */ | 
| 10 // Code from https://github.com/google/quiver-dart/commit/52edc4baf37e99ff6a8f99
    c648b29b135fc0b880 | 10 // Code from https://github.com/google/quiver-dart/commit/52edc4baf37e99ff6a8f99
    c648b29b135fc0b880 | 
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| 68 | 68 | 
| 69   bool moveNext() { | 69   bool moveNext() { | 
| 70     if (_iterator.moveNext()) { | 70     if (_iterator.moveNext()) { | 
| 71       _current = new IndexedValue(_index++, _iterator.current); | 71       _current = new IndexedValue(_index++, _iterator.current); | 
| 72       return true; | 72       return true; | 
| 73     } | 73     } | 
| 74     _current = null; | 74     _current = null; | 
| 75     return false; | 75     return false; | 
| 76   } | 76   } | 
| 77 } | 77 } | 
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