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1 // Copyright 2013 Google Inc. All Rights Reserved. | 1 // Copyright 2013 Google Inc. All Rights Reserved. |
2 // | 2 // |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
6 // | 6 // |
7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
8 // | 8 // |
9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
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65 _inRange = false; | 65 _inRange = false; |
66 | 66 |
67 num get current => _inRange ? _value : null; | 67 num get current => _inRange ? _value : null; |
68 | 68 |
69 bool moveNext() { | 69 bool moveNext() { |
70 if (_hasNext && _inRange) _value += _step; | 70 if (_hasNext && _inRange) _value += _step; |
71 _inRange = _hasNext = (_step > 0) ? (_value < _stop) : (_value > _stop); | 71 _inRange = _hasNext = (_step > 0) ? (_value < _stop) : (_value > _stop); |
72 return _hasNext; | 72 return _hasNext; |
73 } | 73 } |
74 } | 74 } |
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