summaryrefslogtreecommitdiffstats
path: root/mularg.scm
blob: 4bfac03b06500c57e7a3ff00bb3b72e532ea7a22 (plain)
1
2
3
4
5
6
7
8
9
10
;;; "mularg.scm" Redefine - and / to take more than 2 arguments.

(define (mul:argumentizer op)
  (lambda (d1 . ds)
    (cond ((null? ds) (op d1))
	  ((null? (cdr ds)) (op d1 (car ds)))
	  (else (for-each (lambda (d) (set! d1 (op d1 d))) ds) d1))))
;@
(define / (let ((/ /)) (mul:argumentizer /)))
(define - (let ((- -)) (mul:argumentizer -)))