[OT] best way to determine existence of a function in a package

[Simon Cozens]

Matt S Trout wrote:
> You should never, ever, EVER use any UNIVERSAL::* as a function. That's not
> what it's for, not how it's designed to work and can seriously fuck things
> up.

Cool, strong warnings without any reasoning behind them! Fear, uncertainty
and doubt.

-- 
I see ADA as a larger threat than communism at this point in time -- Ted Holden