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1 // | 1 // |
2 // Copyright 2014 Google Inc. All rights reserved. | 2 // Copyright 2014 Google Inc. All rights reserved. |
3 // | 3 // |
4 // Use of this source code is governed by a BSD-style | 4 // Use of this source code is governed by a BSD-style |
5 // license that can be found in the LICENSE file or at | 5 // license that can be found in the LICENSE file or at |
6 // https://developers.google.com/open-source/licenses/bsd | 6 // https://developers.google.com/open-source/licenses/bsd |
7 // | 7 // |
8 | 8 |
9 part of charted.svg.shapes; | 9 part of charted.svg.shapes; |
10 | 10 |
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79 static num defaultDataToY(d, i) => d is Iterable ? d.elementAt(1) : d; | 79 static num defaultDataToY(d, i) => d is Iterable ? d.elementAt(1) : d; |
80 | 80 |
81 /// Default implementation of [isDefined]. | 81 /// Default implementation of [isDefined]. |
82 /// Returns true for all non-null values of [d]. | 82 /// Returns true for all non-null values of [d]. |
83 static bool defaultIsDefined(d, i, e) => d != null; | 83 static bool defaultIsDefined(d, i, e) => d != null; |
84 | 84 |
85 /// Linear interpolator. | 85 /// Linear interpolator. |
86 static String _linear(Iterable points, _) => | 86 static String _linear(Iterable points, _) => |
87 points.map((pt) => '${pt.x},${pt.y}').join('L'); | 87 points.map((pt) => '${pt.x},${pt.y}').join('L'); |
88 } | 88 } |
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