On Sat, 26 Mar 2011 02:23:42 +0100, Peter Lübke said: >To be more detailed: my custom class and its subclasses are wrapper >classes containing file informations. They are based on FSRef rather >than using paths - I do a lot of lengthy iterations so paths are much >too fragile. I also heavily use NSSet to store instances, and I >wanted -isEqual: to be as fast as possible. So I thought I could just >return a unique hash value for each custom class and return >(FSCompareFSRefs (&ownRef, &otherRef) == noErr) for -isEqual:, thus >avoiding the need to *first* compare the objects' classes.
Are you aware that starting in 10.6, the OS provides 'file reference URLs' which are much like FSRefs. See: <http://developer.apple.com/library/mac/#releasenotes/Cocoa/Foundation.html> -- ____________________________________________________________ Sean McBride, B. Eng s...@rogue-research.com Rogue Research www.rogue-research.com Mac Software Developer Montréal, Québec, Canada _______________________________________________ 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: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com