On Wed, Aug 18, 2010 at 5:25 PM, Martin Wierschin <mar...@nisus.com> wrote: > On 2010.08.18, at 2:08 PM, Sherm Pendley wrote: > >> Implementing -stringByReplacing... as "return [[self retain] >> autorelease];" makes the same guarantee, that the object returned by >> -stringByReplacing... will remain valid if the original string is >> released. > > Yes, but there's no guarantee which technique -stringByReplacing.. will use > internally.
True, but the MM rules *do* guarantee that -stringByReplacing...* will return an object that remains valid throughout the caller's scope. Implementing with a simple "return self;" wouldn't fulfill that contract, since releasing the original object would then release the "copy" as well. * Is anyone else wishing that we'd chosen a shorter method name to have this discussion? :-) sherm-- -- Cocoa programming in Perl: http://camelbones.sourceforge.net _______________________________________________ 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
