This reminded me of this blog post, which you may find interesting: http://ridiculousfish.com/blog/posts/array.html
Thanks, Jon On Feb 14, 2012, at 8:35 AM, Quincey Morris wrote: > NSDictionary may not use the value object hashes, but I don't see that > there's anything from preventing it from doing so if it proved beneficial to > the implementation (as well as, of course, using the hashes of the key > objects). But there's also NSSet, NSCountedSet and NSOrderedSet, where the > [un-copied] object *is* the key, as well as things like NSMapTable. And > there's nothing preventing NSArray from keeping a supplementary hash-based > index to assist in looking up objects, although I can't imagine it's ever > likely to be implemented that way. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
