Question

如何循环遍历数组时同时移除不符合条件的元素

Answer 1

NSMutableArray *discardedItems = [NSMutableArray array];
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<br>SomeObjectClass *item;
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<br>for (item in originalArrayOfItems) {
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<br> if ([item shouldBeDiscarded])
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<br> [discardedItems addObject:item];
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<br>}
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<br>[originalArrayOfItems removeObjectsInArray:discardedItems];