Play audio slide show -- Keyboard shortcut: 'x'  Back to notes -- Keyboard shortcut: 'u'              Slide program -- Keyboard shortcut: 't'      An implementation of cons-stream in R5RS Scheme.Lecture 5 - slide 23 : 26
Program 1
(define-syntax cons-stream
  (syntax-rules ()
    ((cons-stream x y)
     (cons x (delay y)))))