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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 // TODO(ngeoffray): Rename to Lists. | 5 // TODO(ngeoffray): Rename to Lists. |
6 class Arrays { | 6 class Arrays { |
7 static void copy(List src, int srcStart, | 7 static void copy(List src, int srcStart, |
8 List dst, int dstStart, int count) { | 8 List dst, int dstStart, int count) { |
9 if (srcStart === null) srcStart = 0; | 9 if (srcStart === null) srcStart = 0; |
10 if (dstStart === null) dstStart = 0; | 10 if (dstStart === null) dstStart = 0; |
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71 for (int i = startIndex; i >= 0; i--) { | 71 for (int i = startIndex; i >= 0; i--) { |
72 if (a[i] == element) { | 72 if (a[i] == element) { |
73 return i; | 73 return i; |
74 } | 74 } |
75 } | 75 } |
76 return -1; | 76 return -1; |
77 } | 77 } |
78 | 78 |
79 static void rangeCheck(List a, int start, int length) { | 79 static void rangeCheck(List a, int start, int length) { |
80 if (length < 0) { | 80 if (length < 0) { |
81 throw new IllegalArgumentException("negative length $length"); | 81 throw new ArgumentError("negative length $length"); |
82 } | 82 } |
83 if (start < 0 ) { | 83 if (start < 0 ) { |
84 String message = "$start must be greater than or equal to 0"; | 84 String message = "$start must be greater than or equal to 0"; |
85 throw new IndexOutOfRangeException(message); | 85 throw new IndexOutOfRangeException(message); |
86 } | 86 } |
87 if (start + length > a.length) { | 87 if (start + length > a.length) { |
88 String message = "$start + $length must be in the range [0..${a.length})"; | 88 String message = "$start + $length must be in the range [0..${a.length})"; |
89 throw new IndexOutOfRangeException(message); | 89 throw new IndexOutOfRangeException(message); |
90 } | 90 } |
91 } | 91 } |
92 } | 92 } |
93 | 93 |
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