Metafunctions

[Marcus Comstedt (ACROSS) (Hail Ilpalazzo!) @ Pike (-) developers forum]

Marvelous!  (Why does zero_type 2 come into mind... :)

Maybe you also have a solution to the next problem:

How do I get

  string add_two(int x) { return ::add_two(x)+"two"; }

to work in Sub?