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Side by Side Diff: sdk/lib/collection/collections.dart

Issue 13774006: Moving ListBase, FixedLengthListMixin and UmodifiableListMixin to collection. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Move fixed/unmodifiable base and mixin to collections-dev Created 7 years, 8 months ago
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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.collection; 5 part of dart.collection;
6 6
7 /** 7 /**
8 * This class provides default implementations for Iterables (including Lists). 8 * This class provides default implementations for Iterables (including Lists).
9 * 9 *
10 * Once Dart receives Mixins it will be replaced with mixin classes. 10 * Once Dart receives Mixins it will be replaced with mixin classes.
11 */ 11 */
12 @deprecated
12 class IterableMixinWorkaround { 13 class IterableMixinWorkaround {
13 static bool contains(Iterable iterable, var element) { 14 static bool contains(Iterable iterable, var element) {
14 for (final e in iterable) { 15 for (final e in iterable) {
15 if (element == e) return true; 16 if (element == e) return true;
16 } 17 }
17 return false; 18 return false;
18 } 19 }
19 20
20 static void forEach(Iterable iterable, void f(o)) { 21 static void forEach(Iterable iterable, void f(o)) {
21 for (final e in iterable) { 22 for (final e in iterable) {
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335 // This is currently a List as well as an Iterable. 336 // This is currently a List as well as an Iterable.
336 return new SubListIterable(list, n, null); 337 return new SubListIterable(list, n, null);
337 } 338 }
338 339
339 static Iterable skipWhile(Iterable iterable, bool test(var value)) { 340 static Iterable skipWhile(Iterable iterable, bool test(var value)) {
340 // The generic type is currently lost. It will be fixed with mixins. 341 // The generic type is currently lost. It will be fixed with mixins.
341 return new SkipWhileIterable(iterable, test); 342 return new SkipWhileIterable(iterable, test);
342 } 343 }
343 344
344 static Iterable reversedList(List list) { 345 static Iterable reversedList(List list) {
345 return new ReversedListIterable(list); 346 return new _ReversedListIterable(list);
floitsch 2013/04/09 11:56:07 Move it back.
346 } 347 }
347 348
348 static void sortList(List list, int compare(a, b)) { 349 static void sortList(List list, int compare(a, b)) {
349 if (compare == null) compare = Comparable.compare; 350 if (compare == null) compare = Comparable.compare;
350 Sort.sort(list, compare); 351 Sort.sort(list, compare);
351 } 352 }
352 353
353 static int indexOfList(List list, var element, int start) { 354 static int indexOfList(List list, var element, int start) {
354 return Arrays.indexOf(list, element, start, list.length); 355 return Arrays.indexOf(list, element, start, list.length);
355 } 356 }
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428 * The source of the elements may be a [List] or any [Iterable] with 429 * The source of the elements may be a [List] or any [Iterable] with
429 * efficient [Iterable.length] and [Iterable.elementAt]. 430 * efficient [Iterable.length] and [Iterable.elementAt].
430 */ 431 */
431 class UnmodifiableListView<E> extends UnmodifiableListBase<E> { 432 class UnmodifiableListView<E> extends UnmodifiableListBase<E> {
432 Iterable<E> _source; 433 Iterable<E> _source;
433 /** Create an unmodifiable list backed by [source]. */ 434 /** Create an unmodifiable list backed by [source]. */
434 UnmodifiableListView(Iterable<E> source) : _source = source; 435 UnmodifiableListView(Iterable<E> source) : _source = source;
435 int get length => _source.length; 436 int get length => _source.length;
436 E operator[](int index) => _source.elementAt(index); 437 E operator[](int index) => _source.elementAt(index);
437 } 438 }
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