Hi,
without being able to use feature 'signatures', how do I verify that parameters passed to a function have been passed to it by the caller? A test for undef is not sufficient because the value passed to a function may be undef itself, and I need to be able to distinguish between the parameter having been passed (and is undef) and the parameter not having been passed at all. -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/