Making immutable instances

[Björn Lindström]

Mike Meyer <mwm at mired.org> writes:

> I'm curious as to why you care if people add attributes to your
> "immutable" class. Personally, I consider that instances of types
> don't let me add attributes to be a wart.

I agree. To me it seems like the OP kind of wants to implement
encapsulation from the back way.

Anyway, as he doesn't mention anything about using this immutability for
any kind of optimisation, I assume it's about "Control".

-- 
Björn Lindström <bkhl at stp.lingfil.uu.se>
Student of computational linguistics, Uppsala University, Sweden