Joel VanderWerf <vjoel / path.berkeley.edu> wrote: > So class vars have these problems, constants are not mutable, and class > instance vars do not inherit. That's where superhash (on RAA) might > help. It can be used to set up hashes that inherit along the class > hierarchy (or other structure, such as a tree or dag). Internally, it > uses class instance variables. A really trivial example: Excellent! I'd forgotten about this. martin