Perl's http://en.wikipedia.org/wiki/Schwartzian_transform http://en.wikipedia.org/wiki/Schwartzian_transform is much more functional-style, I suppose, and it's

Perl's http://en.wikipedia.org/wiki/Schwartzian_transform http://en.wikipedia.org/wiki/Schwartzian_transform is much more functional-style, I suppose, and it's here from 1994.