stassats

;;; Usage (percentage (analyze-systems '(a b c d))) => 42.23

(eval-when (:compile-toplevel :load-toplevel :execute)
  (when (asdf:find-system :named-readtables nil)
    (asdf:load-system :named-readtables)))

(defun analyze-form (form)
  (typecase form
    (symbol
     (when (eql (symbol-package form) (find-package 'cl))