Hey,
But ... going back to the issue of avoiding changes to ivars breaking
ABI in future releases ... the approach I currently favor is having a
*single* ivar in the public class. This is a private id variable
referring to an instance of a private class which is used to hold the
real ivars.
I really don't like this approach. It makes the code difficult to
read, destroys locality of reference, and hurts performance.
I don't like it either! I think it was discussed quite a bit and we did
not agree that it was the way to go! The discussion didn't come to a
conclusion (I remember we also discussed it at FOSDEM), but many agreed
that this opaque single-ivar solution was bad.
I personally would prefer just breaking the ABI if other solutions are a
too big effort. Second place of course is David's. I cannot remember now
why i didn't try it though... did your patch have some prerequisites?
Riccardo
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