Thanks, that was it (docs not explicit on this point, saying the file
is called "runtime.h" or "/usr/include/objc/runtime.h"). I guess
something changed since it was written.
-------
However, having got it compiling, I think it's a blind alley anyway.
Maybe if I can explain WHY I'm trying to do this a better solution
might pop up ;-)
I have a class that can contain different objects which all derive
from a class R. The container can accept instances of any subclass of R.
Each subclass of R implements a CLASS method for a particular feature,
returning an array. The container needs to build an array which is the
union of all the arrays returned by each subclass. Thus it needs to
iterate through a list of all possible subclasses of R, combining the
arrays as it goes. Problem is that not all possible subclasses of R
are known until runtime, so I need a way to be able to get hold of
such a list, based on the fact that they all inherit from R. Note that
these are not instances of R, but classes. (I can get a list of
instances I have right now, but that doesn't cover the possibility of
another object instance derived from R being added after I already
built the array).
Hope this makes sense - any ideas?
------
S.O.S.
On 27 Mar 2008, at 3:12 pm, Jerry Krinock wrote:
#import <objc/objc-runtime.h>
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