Normally, if you try to call a method that there's no handler for, you
get an error:
Can't locate object method "flork" via package "X".
But for classes that inherit from Class::BlackHole, unhandled methods
become just no-operations.
WWW: http://search.cpan.org/search?dist=Class-BlackHole
-- Sergey Skvortsov
skv@FreeBSD.org