Re: class_respondsToSelector() in runtime.h?
Re: class_respondsToSelector() in runtime.h?
- Subject: Re: class_respondsToSelector() in runtime.h?
- From: Kyle Sluder <email@hidden>
- Date: Thu, 1 Jul 2010 09:49:24 -0700
On Jul 1, 2010, at 9:42 AM, Jonathon Kuo <email@hidden> 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.
--Kyle Sluder_______________________________________________
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