This refactoring is hardly original thinking. It's been done in the Smalltalk world for years. If you know of an existing writeup of this refactoring for Perl, please provide a reference.

Right here, at Re: Re: Extending object you don't create.

But no surprise, since I too have hacked Smalltalk since 1981. {grin}

-- Randal L. Schwartz, Perl hacker