This problem is trivial within emacs thanks to the advice system, and something I've always missed in literally any other programming environment. In Guile, I b

This problem is trivial within emacs thanks to the advice system, and something I've always missed in literally any other programming environment. In Guile, I bet `(parameterize)` could be used to similar ends, but you don't get to choose the language of every project you hack on.