On Jul 1, 2010, at 9:49 AM, Kyle Sluder wrote: > On Jul 1, 2010, at 9:42 AM, Jonathon Kuo <newsli...@autonomy.caltech.edu> > wrote: > >> On Jul 1, 2010, at 7:56 AM, Matt Neuburg wrote: >> >>> "Instance methods defined in a root class can be performed both by instances >>> and by class objects. Therefore, all class objects have access to the >>> instance methods defined in the root class." >> >> Not that it would generally be USEFUL to do so, since the purpose of an >> instance is to hold instance variable values; a class object accessing >> instance variables through an instance method would come up with >> uninitialized ivar values, no? > > They are instances of the root class, so they have all the root class > instances variables, of which there is precisely one: isa.
Interesting... so what happens at runtime if a class object invokes an instance method that accesses instance variables? Exception? Assertion? Seg fault? _______________________________________________ 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
