3 ms·
Are those actually used in the book? But if needed, the user can write: (define (1+ x) (+ x 1)) (define (1- x) (- x 1)) Although, I think, add1 and s
by soegaard 6y ago
Are those actually used in the book?
But if needed, the user can write:
(define (1+ x) (+ x 1))
(define (1- x) (- x 1))
Although, I think, add1 and sub1 are more common nowadays.
- jgwil2 6y agoPretty sure that example comes from the first edition. #lang sicp is made to work with the second edition I assume.