Re: Implementation across several files
Re: Implementation across several files
- Subject: Re: Implementation across several files
- From: Cem Karan <email@hidden>
- Date: Thu, 20 Apr 2006 07:17:36 -0400
Scott,
On 19.4.2006, at 22:52, Scott Ellsworth wrote:
I use the same techniques to move helper methods into a category
declared and implemented in the .m, which keeps them out of the
public interface. I do wish there were a similarly clean way to
declare some instance variables that cannot easily be seen from
outside, but I understand why there are not.
Depending on the task there might be.
You can use your own hidden subclass, returned instead of the API
stuff, cluster-like. Very convenient, unless your class is to be
subclassed itself.
Also, the extra instance variables can be stored in a dictionary: the
overhead tends to be negligible (not always, of course, but
suprisingly often).
(Matter of fact, I would advocate to change the runtime to base *all*
instances on a dictionary /more precisely, a special hashtable/,
which would vastly improve the flexibility, allow for much better
interface/implementation separation, and also remove the one
fragility ObjC has, but that is definitely beside the point at this
moment :))
Were you thinking about KVC and KVO for this? I can see how they may
be helpful under the right circumstances...
Thanks,
Cem Karan
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