On Tue, Apr 20, 2010 at 2:07 PM, Jens Alfke <j...@mooseyard.com> wrote: > In general I can't think of any deep-copy behavior in any of the Cocoa > collection classes. With one exception*, objects only get copied when you > explicitly call -copy. And even -copy is implemented shallowly in existing > classes (so copying an NSArray results in a new array that contains the same > objects, not copies of those objects.)
On Tiger and earlier, custom subclasses of the collection classes would deep-copy. See the Leopard release notes: http://developer.apple.com/iphone/library/releasenotes/Cocoa/Foundation.html --Kyle Sluder _______________________________________________ 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