> > Larry mumbled something like "implements" and "interface". So to say
> >
> > package Net::FTP::Foo implements Net::FTP;
> >
> > But I don't think, anybody wrote an RFC about the plan.
>
> I did. Or something like it. And I've got a couple of modules on CPAN
> (that I really must document better) that kind of work already:
>
> package ShoppingBasket;
>
> use ex::interface qw/add_entry total_price delete_entry .../
Interfaces are tricky. One must assume a common agreed-upon
vocabulary or ontology. What does 'add_entry' mean, really and
exactly? What arguments does it take? What arguments could it take?
What does it return? Does it have non-local effects?
--
$jhi++; # http://www.iki.fi/jhi/
# There is this special biologist word we use for 'stable'.
# It is 'dead'. -- Jack Cohen
