On Nov 20, 2009, at 12:09 PM, Michael de Haan wrote: > Does the, in your opinion, "optional" addition pretty much replace categories > as a whole, or is there still a role for them?
It replaces informal protocols. There are many other uses for categories, like * Breaking a class implementation across several source files * Declaring private/internal class methods that a few other classes are allowed to call * Declaring some of a class's methods in other headers (ones that only make sense in the context of that other header) * Adding methods to a pre-existing framework class —Jens_______________________________________________ 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
