anchor.diff:        (clear-events))))
   
   (defgeneric duplicate-process (process)
  +  (:documentation "Does what it says – makes a deep copy of the process.
  +                   The goal is to get rid of this once our runtime
  +                   behaves in a more functional manner.")
     (:method (process)
       process)
     (:method ((process cons))
  
positive.code:     (declare (ignore kell))
      '()))
  
  (defun get-cpu-count ()
    (princ "How many CPUs/cores are in your computer? ")
    (read))
  
negative.code: (defgeneric substitute-variables (mapping process &optional ignored-vars)
    (:documentation "Replaces all the variables in place.")
    (:method (mapping process &optional ignored-vars)
      (declare (ignore mapping process ignored-vars))
      (values))
    (:method (mapping (process cons) &optional ignored-vars)
      (setf (car process) (replace-variables (car process) mapping ignored-vars)
  