> On Mar 19, 2016, at 1:53 AM, Will Stanton via swift-users > <swift-users@swift.org> wrote: > > Don’t most collections have O(1) `count` anyway?
No; linked lists and trees, which are pretty popular data structures, are generally O(n) to count. —Jens
_______________________________________________ swift-users mailing list swift-users@swift.org https://lists.swift.org/mailman/listinfo/swift-users