Efficiency improvement for insert_at when repositioning an existing item #27
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Previously, repositioning an item already in the list required two moves proportional to the total number of items in the list: one to remove the existing item and another to reinsert it. This commit changes the behavior so that only items between the old and new position are renumbered.
swanandp
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Feb 24, 2012
Efficiency improvement for insert_at when repositioning an existing item
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Previously, repositioning an item already in the list required two moves proportional to the total number of items in the list: one to remove the existing item and another to reinsert it. This commit changes the behavior so that only items between the old and new position are renumbered.