anchor.diff:  (defparameter *clock* 0)
   
   (defparameter *out->in* (make-hash-table))
  -
  -(defparameter *in->act* (make-hash-table))
   
   
   
  
positive.code:     :type list)))
  
  
  
  ;; PARAMETERS
  
  
negative.code:   (:documentation "Connect src to dest."))
  
  
  (defgeneric i/o-connected (src)
    (:documentation "Return values: connected object and connected-p
    boolean."))
  
  
  (defgeneric i/o-disconnect (src)
    (:documentation "Disconnect src."))
  
  
  
  