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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 class _Lists { | 5 class _Lists { |
6 | |
7 /** | 6 /** |
8 * Returns the index in the array [a] of the given [element], starting | 7 * Returns the index in the array [a] of the given [element], starting |
9 * the search at index [startIndex] to [endIndex] (exclusive). | 8 * the search at index [startIndex] to [endIndex] (exclusive). |
10 * Returns -1 if [element] is not found. | 9 * Returns -1 if [element] is not found. |
11 */ | 10 */ |
12 static int indexOf(List a, | 11 static int indexOf(List a, |
13 Object element, | 12 Object element, |
14 int startIndex, | 13 int startIndex, |
15 int endIndex) { | 14 int endIndex) { |
16 if (startIndex >= a.length) { | 15 if (startIndex >= a.length) { |
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59 if (length < 0) throw new ArgumentError('length'); | 58 if (length < 0) throw new ArgumentError('length'); |
60 if (start < 0) throw new IndexOutOfRangeException(start); | 59 if (start < 0) throw new IndexOutOfRangeException(start); |
61 int end = start + length; | 60 int end = start + length; |
62 if (end > a.length) throw new IndexOutOfRangeException(end); | 61 if (end > a.length) throw new IndexOutOfRangeException(end); |
63 for (int i = start; i < end; i++) { | 62 for (int i = start; i < end; i++) { |
64 accumulator.add(a[i]); | 63 accumulator.add(a[i]); |
65 } | 64 } |
66 return accumulator; | 65 return accumulator; |
67 } | 66 } |
68 } | 67 } |
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