Back to notes -- Keyboard shortcut: 'u'        next -- Keyboard shortcut: 'n'  Slide program -- Keyboard shortcut: 't'    A simulation of the root of a class hierarchy.Lecture 8 - slide 8 : 11
Program 1
(define (object)
  (let ((super '())
        (self 'nil))

   (define (dispatch message)
       '())
 
   (set! self dispatch)
   self))