On Nov 18, 2010, at 1:18 PM, vincent habchi wrote:
> I supposed I couldn't do such a simple thing as [MyClass perform:selector] 
> because the perform: method is an instance one. So I wrote this:

All class objects are also instances of NSObject. That means any instance 
method from NSObject is also available for class objects.

(More precisely, a class object is an instance of its root class, but root 
classes other than NSObject are uncommon.)

http://sealiesoftware.com/blog/archive/2009/04/14/objc_explain_Classes_and_metaclasses.html


-- 
Greg Parker     gpar...@apple.com     Runtime Wrangler


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