> That's a very good solution.

Thanks, that's my favorite solution for the semipredicate problem. :)

But in this particular case, I'd say checking @_ is better.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

In reply to Re^5: Distinguish between missing and undefined arguments with subroutine signatures (semipredicate problem) by LanX
in thread Distinguish between missing and undefined arguments with subroutine signatures by jo37

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