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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 ArrayFactory<T> { | 5 interface Array<T> extends List<T> { |
srdjan
2011/10/18 08:08:21
If this is a temporary definition, please add a co
ngeoffray
2011/10/18 08:15:01
Yes, that's a temporary definition. Added a commen
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6 factory Array.from(Iterable<T> other) { | |
7 GrowableObjectArray<T> array = new GrowableObjectArray<T>(); | |
8 for (final e in other) { | |
9 array.add(e); | |
10 } | |
11 return array; | |
12 } | |
13 | |
14 factory Array.fromArray(Array<T> other, int startIndex, int endIndex) { | |
15 Array array = new Array<T>(); | |
16 if (endIndex > other.length) endIndex = other.length; | |
17 if (startIndex < 0) startIndex = 0; | |
18 int count = endIndex - startIndex; | |
19 if (count > 0) { | |
20 array.length = count; | |
21 Arrays.copy(other, startIndex, array, 0, count); | |
22 } | |
23 return array; | |
24 } | |
25 | |
26 factory Array([int length = null]) { | |
27 if (length === null) { | |
28 return new GrowableObjectArray<T>(); | |
29 } else { | |
30 return new ObjectArray<T>(length); | |
31 } | |
32 } | |
33 } | 6 } |
34 | 7 |
35 class ListFactory<T> { | 8 class ListFactory<T> { |
36 | 9 |
37 factory List.from(Iterable<T> other) { | 10 factory List.from(Iterable<T> other) { |
38 GrowableObjectArray<T> list = new GrowableObjectArray<T>(); | 11 GrowableObjectArray<T> list = new GrowableObjectArray<T>(); |
39 for (final e in other) { | 12 for (final e in other) { |
40 list.add(e); | 13 list.add(e); |
41 } | 14 } |
42 return list; | 15 return list; |
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329 if (!hasNext()) { | 302 if (!hasNext()) { |
330 throw const NoMoreElementsException(); | 303 throw const NoMoreElementsException(); |
331 } | 304 } |
332 return _array[_pos++]; | 305 return _array[_pos++]; |
333 } | 306 } |
334 | 307 |
335 final Array<T> _array; | 308 final Array<T> _array; |
336 final int _length; // Cache array length for faster access. | 309 final int _length; // Cache array length for faster access. |
337 int _pos; | 310 int _pos; |
338 } | 311 } |
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