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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 /** | 5 /** |
| 6 * A [List] is an indexable collection with a length. It can be of | 6 * A [List] is an indexable collection with a length. It can be of |
| 7 * fixed size or extendable. | 7 * fixed size or extendable. |
| 8 */ | 8 */ |
| 9 interface List<E> extends Collection<E>, Sequence<E> | 9 interface List<E> extends Collection<E>, Sequence<E> |
| 10 default _ListImpl<E> { | 10 default _ListImpl<E> { |
| 11 /** | 11 /** |
| 12 * Creates a list of the given [length]. | 12 * Creates a list of the given [length]. |
| 13 * | 13 * |
| 14 * If no [length] argument is supplied an extendable list of | 14 * If no [length] argument is supplied an extendable list of |
| 15 * length 0 is created. | 15 * length 0 is created. |
| 16 * | 16 * |
| 17 * If a [length] argument is supplied, a fixed size list of that | 17 * If a [length] argument is supplied, a fixed size list of that |
| 18 * length is created. | 18 * length is created. |
| 19 */ | 19 */ |
| 20 List([int length]); | 20 List([int length]); |
| 21 | 21 |
| 22 /** | 22 /** |
| 23 * Creates a list with the elements of [other]. The order in | 23 * Creates a list with the elements of [other]. The order in |
| 24 * the list will be the order provided by the iterator of [other]. | 24 * the list will be the order provided by the iterator of [other]. |
| 25 */ | 25 */ |
| 26 List.from(Iterable<E> other); | 26 List.from(Iterable<E> other); |
| 27 | 27 |
| 28 /** | 28 /** |
| 29 * Returns the element at the given [index] in the list or throws | 29 * Returns the element at the given [index] in the list or throws |
| 30 * an [IndexOutOfRangeException] if [index] is out of bounds. | 30 * an [RangeError] if [index] is out of bounds. |
| 31 */ | 31 */ |
| 32 E operator [](int index); | 32 E operator [](int index); |
| 33 | 33 |
| 34 /** | 34 /** |
| 35 * Sets the entry at the given [index] in the list to [value]. | 35 * Sets the entry at the given [index] in the list to [value]. |
| 36 * Throws an [IndexOutOfRangeException] if [index] is out of bounds. | 36 * Throws an [RangeError] if [index] is out of bounds. |
| 37 */ | 37 */ |
| 38 void operator []=(int index, E value); | 38 void operator []=(int index, E value); |
| 39 | 39 |
| 40 /** | 40 /** |
| 41 * Changes the length of the list. If [newLength] is greater than | 41 * Changes the length of the list. If [newLength] is greater than |
| 42 * the current [length], entries are initialized to [:null:]. Throws | 42 * the current [length], entries are initialized to [:null:]. Throws |
| 43 * an [UnsupportedError] if the list is not extendable. | 43 * an [UnsupportedError] if the list is not extendable. |
| 44 */ | 44 */ |
| 45 void set length(int newLength); | 45 void set length(int newLength); |
| 46 | 46 |
| (...skipping 54 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 101 */ | 101 */ |
| 102 void clear(); | 102 void clear(); |
| 103 | 103 |
| 104 /** | 104 /** |
| 105 * Removes the element at position[index] from the list. | 105 * Removes the element at position[index] from the list. |
| 106 * | 106 * |
| 107 * This reduces the length of the list by one and moves all later elements | 107 * This reduces the length of the list by one and moves all later elements |
| 108 * down by one position. | 108 * down by one position. |
| 109 * Returns the removed element. | 109 * Returns the removed element. |
| 110 * Throws an [ArgumentError] if [index] is not an [int]. | 110 * Throws an [ArgumentError] if [index] is not an [int]. |
| 111 * Throws an [IndexOutOfRangeException] if the [index] does not point inside | 111 * Throws an [RangeError] if the [index] does not point inside |
| 112 * the list. | 112 * the list. |
| 113 * Throws an [UnsupportedError], and doesn't remove the element, | 113 * Throws an [UnsupportedError], and doesn't remove the element, |
| 114 * if the length of the list cannot be changed. | 114 * if the length of the list cannot be changed. |
| 115 */ | 115 */ |
| 116 E removeAt(int index); | 116 E removeAt(int index); |
| 117 | 117 |
| 118 /** | 118 /** |
| 119 * Pops and returns the last element of the list. | 119 * Pops and returns the last element of the list. |
| 120 * Throws a [UnsupportedError] if the length of the | 120 * Throws a [UnsupportedError] if the length of the |
| 121 * list cannot be changed. | 121 * list cannot be changed. |
| 122 */ | 122 */ |
| 123 E removeLast(); | 123 E removeLast(); |
| 124 | 124 |
| 125 /** | 125 /** |
| 126 * Returns the last element of the list, or throws an out of bounds | 126 * Returns the last element of the list, or throws an out of bounds |
| 127 * exception if the list is empty. | 127 * exception if the list is empty. |
| 128 */ | 128 */ |
| 129 E get last; | 129 E get last; |
| 130 | 130 |
| 131 /** | 131 /** |
| 132 * Returns a new list containing [length] elements from the list, | 132 * Returns a new list containing [length] elements from the list, |
| 133 * starting at [start]. | 133 * starting at [start]. |
| 134 * Returns an empty list if [length] is 0. | 134 * Returns an empty list if [length] is 0. |
| 135 * Throws an [ArgumentError] if [length] is negative. | 135 * Throws an [ArgumentError] if [length] is negative. |
| 136 * Throws an [IndexOutOfRangeException] if [start] or | 136 * Throws an [RangeError] if [start] or |
| 137 * [:start + length - 1:] are out of range. | 137 * [:start + length - 1:] are out of range. |
| 138 */ | 138 */ |
| 139 List<E> getRange(int start, int length); | 139 List<E> getRange(int start, int length); |
| 140 | 140 |
| 141 /** | 141 /** |
| 142 * Copies [length] elements of [from], starting | 142 * Copies [length] elements of [from], starting |
| 143 * at [startFrom], into the list, starting at [start]. | 143 * at [startFrom], into the list, starting at [start]. |
| 144 * If [length] is 0, this method does not do anything. | 144 * If [length] is 0, this method does not do anything. |
| 145 * Throws an [ArgumentError] if [length] is negative. | 145 * Throws an [ArgumentError] if [length] is negative. |
| 146 * Throws an [IndexOutOfRangeException] if [start] or | 146 * Throws an [RangeError] if [start] or |
| 147 * [:start + length - 1:] are out of range for [:this:], or if | 147 * [:start + length - 1:] are out of range for [:this:], or if |
| 148 * [startFrom] or [:startFrom + length - 1:] are out of range for [from]. | 148 * [startFrom] or [:startFrom + length - 1:] are out of range for [from]. |
| 149 */ | 149 */ |
| 150 void setRange(int start, int length, List<E> from, [int startFrom]); | 150 void setRange(int start, int length, List<E> from, [int startFrom]); |
| 151 | 151 |
| 152 /** | 152 /** |
| 153 * Removes [length] elements from the list, beginning at [start]. | 153 * Removes [length] elements from the list, beginning at [start]. |
| 154 * Throws an [UnsupportedError] if the list is | 154 * Throws an [UnsupportedError] if the list is |
| 155 * not extendable. | 155 * not extendable. |
| 156 * If [length] is 0, this method does not do anything. | 156 * If [length] is 0, this method does not do anything. |
| 157 * Throws an [ArgumentError] if [length] is negative. | 157 * Throws an [ArgumentError] if [length] is negative. |
| 158 * Throws an [IndexOutOfRangeException] if [start] or | 158 * Throws an [RangeError] if [start] or |
| 159 * [:start + length: - 1] are out of range. | 159 * [:start + length: - 1] are out of range. |
| 160 */ | 160 */ |
| 161 void removeRange(int start, int length); | 161 void removeRange(int start, int length); |
| 162 | 162 |
| 163 /** | 163 /** |
| 164 * Inserts a new range into the list, starting from [start] to | 164 * Inserts a new range into the list, starting from [start] to |
| 165 * [:start + length - 1:]. The entries are filled with [initialValue]. | 165 * [:start + length - 1:]. The entries are filled with [initialValue]. |
| 166 * Throws an [UnsupportedError] if the list is | 166 * Throws an [UnsupportedError] if the list is |
| 167 * not extendable. | 167 * not extendable. |
| 168 * If [length] is 0, this method does not do anything. | 168 * If [length] is 0, this method does not do anything. |
| 169 * If [start] is the length of the list, this method inserts the | 169 * If [start] is the length of the list, this method inserts the |
| 170 * range at the end of the list. | 170 * range at the end of the list. |
| 171 * Throws an [ArgumentError] if [length] is negative. | 171 * Throws an [ArgumentError] if [length] is negative. |
| 172 * Throws an [IndexOutOfRangeException] if [start] is negative or if | 172 * Throws an [RangeError] if [start] is negative or if |
| 173 * [start] is greater than the length of the list. | 173 * [start] is greater than the length of the list. |
| 174 */ | 174 */ |
| 175 void insertRange(int start, int length, [E initialValue]); | 175 void insertRange(int start, int length, [E initialValue]); |
| 176 } | 176 } |
| 177 | 177 |
| 178 class _ListImpl<E> { | 178 class _ListImpl<E> { |
| 179 /** | 179 /** |
| 180 * Factory implementation of List(). | 180 * Factory implementation of List(). |
| 181 * | 181 * |
| 182 * Creates a list of the given [length]. | 182 * Creates a list of the given [length]. |
| 183 */ | 183 */ |
| 184 external factory List([int length]); | 184 external factory List([int length]); |
| 185 | 185 |
| 186 /** | 186 /** |
| 187 * Factory implementation of List.from(). | 187 * Factory implementation of List.from(). |
| 188 * | 188 * |
| 189 * Creates a list with the elements of [other]. The order in | 189 * Creates a list with the elements of [other]. The order in |
| 190 * the list will be the order provided by the iterator of [other]. | 190 * the list will be the order provided by the iterator of [other]. |
| 191 */ | 191 */ |
| 192 external factory List.from(Iterable<E> other); | 192 external factory List.from(Iterable<E> other); |
| 193 } | 193 } |
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