Everything in Perl becomes an object. Everything in Perl becomes an object. Everything in Perl becomes an object. I completely echo every sentiment of both Randal's and Bennett's points. They could just be objects with class methods, which could be inherited from and extended natively.
Speed wins over OO flexibility.
Everything in Perl becomes an object. Everything in Perl becomes an object. Everything in Perl becomes an object. Everything in Perl becomes an object. Everything in Perl becomes an object.