On Nov 20, 2009, at 12:19 PM, David Duncan wrote: > On Nov 20, 2009, at 12:09 PM, Michael de Haan wrote: > >> Did not see that it was deprecated, but will take your lead and convert them >> to that. Does the, in your opinion, "optional" addition pretty much replace >> categories as a whole, or is there still a role for them? > > > The addition of @optional and @required to Protocols is meant to replace the > need for Informal Protocols. Categories are still very useful for adding > functionality to a class, as Protocols only allow you to create an interface, > not an implementation. > --
Good...because the example makes much use of both categories and extensions... :-) Thanks David. _______________________________________________ Cocoa-dev mailing list ([email protected]) 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 [email protected]
