In standard Scheme it is possible to write
(if (> x 2) (set! x (- x 1)))
but this is not possible in Racket -- Racket's if
always requires two arms. Why?
In standard Scheme it is possible to write
(if (> x 2) (set! x (- x 1)))
but this is not possible in Racket -- Racket's if
always requires two arms. Why?