Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
要调用UICollectionView's deleteItemsAtIndexPaths，我需要 indexPaths 数组。但我把它们放在一个NSIndexSet. 任何优雅的方式来检索它，而不是通过循环？
UICollectionView
deleteItemsAtIndexPaths
NSIndexSet