Darren Duncan wrote: > Or actually, there is just one main thing I want to know right now ... > > You have roles that look like they're supposed to match one specific class > each > in particular, such as Boolean for Bool, Integral for Int, etc, ostensibly in > case users want to declare their own classes like them.
That's not the complete picture; There are usually more classes that implement such a role, but they are not listed in S02, only in S09 (iirc). > So, would Int actually have any of its own methods, or would they *all* be > provided by Integral? Likewise with Bool and Boolean? And so on. I guess that there will be methods that are only stubbed in the roles (the low-level ones) and need to be overridden in all classes that implement the methods. In this case the roles are used like interfaces in Java. Other, higher-level methods can implemented in the roles directly, as long as they don't have to know about the storage of the actua numeric class. I can't think of a method in Int that's not defined in the Integral role, so I can't give you a definitive answer to the question, but I guess the answer is "no" for the more common core numeric types. Cheers, Moritz -- Moritz Lenz http://perlgeek.de/ | http://perl-6.de/ | http://sudokugarden.de/
