On 21/02/2011 08:18, Jonathan "Duke" Leto wrote:
It recently came to my attention, while writing tests for
extend_vtable.c, that one can add a role to a class, but not remove
it.
Specifically, the Class PMC has the add_role VTABLE but not the
remove_role VTABLE.
This seems broken to me.
Removing a role doesn't really make much sense to me. Composition is
flattening, which means that you'd probably have to re-compose
everything and - worse - keep around extra information to allow you to
do so once a role was removed. So I'm not surprised nobody ever
implemented role removal - it's probably a semantic can of worms. Of
course, hindsight is 20/20. :-)
/jnthn
_______________________________________________
http://lists.parrot.org/mailman/listinfo/parrot-dev
