>From pg. 399 in SICP: An example that exploits lazy evaluation is the definition of a procedure unless
(define (unless condition usual-value exceptional-value) (if condition exceptional-value usual-value)) === Huh? For both applicative and normal order, wouldn't both exceptional-value AND usual-value be evaluated, or not, depending on condition? Michael
____________________ Racket Users list: http://lists.racket-lang.org/users
