Sorry. I was inaccurate in my language. I’m actually calling these methods on the superclass, not on instances of it.
> On Jun 6, 2015, at 4:58 PM, Graham Cox <graham....@bigpond.com> wrote: > > >> On 7 Jun 2015, at 8:47 am, Cosmo <minonom...@gmail.com> wrote: >> >> I should have explained that I’m calling these methods on instances of the >> superclass, not the subclass, so inheritance doesn’t work. > > > But you have written class methods, so instances doesn’t come into it. Seems > possible that there’s a fundamental misunderstanding involved here. > > What you’ve described (a base class that provides a generic interface, with > specific implementations in subclasses) is eminently doable - in fact largely > the entire point of object-oriented programming - but perhaps you should > simply be doing this using straightforward instance methods, not class > methods? > > —Graham > > _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
