08/05/31 21:55:26
(define member?
(lambda (a lat)
(cond
((null? lat) #f)
((eq? a (car lat)) #t)
(else (member? a (cdr lat))))))
(member? 'sardines '(Italian sardines spaghetti parsley))
08/05/31 21:55:26
(define member?
(lambda (a lat)
(cond
((null? lat) #f)
((eq? a (car lat)) #t)
(else (member? a (cdr lat))))))
(member? 'sardines '(Italian sardines spaghetti parsley))