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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 // TODO(srdjan): Use shared array implementation. | 6 // TODO(srdjan): Use shared array implementation. |
7 class _List<E> implements List<E> { | 7 class _List<E> implements List<E> { |
8 static final int _classId = (new _List(0))._cid; | 8 static final int _classId = (new _List(0))._cid; |
9 | 9 |
10 factory _List(length) native "List_allocate"; | 10 factory _List(length) native "List_allocate"; |
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236 E get first { | 236 E get first { |
237 if (length > 0) return this[0]; | 237 if (length > 0) return this[0]; |
238 throw IterableElementError.noElement(); | 238 throw IterableElementError.noElement(); |
239 } | 239 } |
240 | 240 |
241 E get last { | 241 E get last { |
242 if (length > 0) return this[length - 1]; | 242 if (length > 0) return this[length - 1]; |
243 throw IterableElementError.noElement(); | 243 throw IterableElementError.noElement(); |
244 } | 244 } |
245 | 245 |
246 void set last(E value) { | |
247 if (length == 0) throw IterableElementError.noElement(); | |
248 this[length - 1] = value; | |
249 } | |
250 | |
251 E get single { | 246 E get single { |
252 if (length == 1) return this[0]; | 247 if (length == 1) return this[0]; |
253 if (length == 0) throw IterableElementError.noElement(); | 248 if (length == 0) throw IterableElementError.noElement(); |
254 throw IterableElementError.tooMany(); | 249 throw IterableElementError.tooMany(); |
255 } | 250 } |
256 | 251 |
257 List<E> toList({ bool growable: true}) { | 252 List<E> toList({ bool growable: true}) { |
258 return new List<E>.from(this, growable: growable); | 253 return new List<E>.from(this, growable: growable); |
259 } | 254 } |
260 | 255 |
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285 | 280 |
286 factory _ImmutableList._from(List from, int offset, int length) | 281 factory _ImmutableList._from(List from, int offset, int length) |
287 native "ImmutableList_from"; | 282 native "ImmutableList_from"; |
288 | 283 |
289 E operator [](int index) native "List_getIndexed"; | 284 E operator [](int index) native "List_getIndexed"; |
290 | 285 |
291 void operator []=(int index, E value) { | 286 void operator []=(int index, E value) { |
292 throw UnmodifiableListError.change(); | 287 throw UnmodifiableListError.change(); |
293 } | 288 } |
294 | 289 |
295 void set last(E value) { | |
296 throw UnmodifiableListError.change(); | |
297 } | |
298 | |
299 int get length native "List_getLength"; | 290 int get length native "List_getLength"; |
300 | 291 |
301 void insert(int index, E element) { | 292 void insert(int index, E element) { |
302 throw UnmodifiableListError.add(); | 293 throw UnmodifiableListError.add(); |
303 } | 294 } |
304 | 295 |
305 void insertAll(int index, Iterable<E> iterable) { | 296 void insertAll(int index, Iterable<E> iterable) { |
306 throw UnmodifiableListError.add(); | 297 throw UnmodifiableListError.add(); |
307 } | 298 } |
308 | 299 |
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539 } | 530 } |
540 _position = _length; | 531 _position = _length; |
541 _current = null; | 532 _current = null; |
542 return false; | 533 return false; |
543 } | 534 } |
544 | 535 |
545 E get current { | 536 E get current { |
546 return _current; | 537 return _current; |
547 } | 538 } |
548 } | 539 } |
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