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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 part of dart.core; | 5 part of dart.core; |
6 | 6 |
7 /** | 7 /** |
8 * An indexable collection of objects with a length. | 8 * An indexable collection of objects with a length. |
9 * | 9 * |
10 * Subclasses of this class implement different kinds of lists. | 10 * Subclasses of this class implement different kinds of lists. |
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147 * Changes the length of this list. | 147 * Changes the length of this list. |
148 * | 148 * |
149 * If [newLength] is greater than | 149 * If [newLength] is greater than |
150 * the current length, entries are initialized to [:null:]. | 150 * the current length, entries are initialized to [:null:]. |
151 * | 151 * |
152 * Throws an [UnsupportedError] if the list is fixed-length. | 152 * Throws an [UnsupportedError] if the list is fixed-length. |
153 */ | 153 */ |
154 void set length(int newLength); | 154 void set length(int newLength); |
155 | 155 |
156 /** | 156 /** |
157 * Replaces the last element of the list with [value]. | |
158 * | |
159 * Using `list.last = value` is equivalent to `list[list.length - 1] = value`, | |
160 * only shorter and more readable. | |
161 * | |
162 * The list must be modifiable and must have a length greater than zero. | |
163 */ | |
164 void set last(E value); | |
165 | |
166 /** | |
167 * Adds [value] to the end of this list, | 157 * Adds [value] to the end of this list, |
168 * extending the length by one. | 158 * extending the length by one. |
169 * | 159 * |
170 * Throws an [UnsupportedError] if the list is fixed-length. | 160 * Throws an [UnsupportedError] if the list is fixed-length. |
171 */ | 161 */ |
172 void add(E value); | 162 void add(E value); |
173 | 163 |
174 /** | 164 /** |
175 * Appends all objects of [iterable] to the end of this list. | 165 * Appends all objects of [iterable] to the end of this list. |
176 * | 166 * |
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464 * as values. The `Map.keys` [Iterable] iterates the indices of this list | 454 * as values. The `Map.keys` [Iterable] iterates the indices of this list |
465 * in numerical order. | 455 * in numerical order. |
466 * | 456 * |
467 * List<String> words = ['fee', 'fi', 'fo', 'fum']; | 457 * List<String> words = ['fee', 'fi', 'fo', 'fum']; |
468 * Map<int, String> map = words.asMap(); | 458 * Map<int, String> map = words.asMap(); |
469 * map[0] + map[1]; // 'feefi'; | 459 * map[0] + map[1]; // 'feefi'; |
470 * map.keys.toList(); // [0, 1, 2, 3] | 460 * map.keys.toList(); // [0, 1, 2, 3] |
471 */ | 461 */ |
472 Map<int, E> asMap(); | 462 Map<int, E> asMap(); |
473 } | 463 } |
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