diff options
Diffstat (limited to 'mularg.scm')
-rw-r--r-- | mularg.scm | 20 |
1 files changed, 8 insertions, 12 deletions
@@ -1,14 +1,10 @@ ;;; "mularg.scm" Redefine - and / to take more than 2 arguments. -(define two-arg:/ /) -(define two-arg:- -) -(define / /) -(define - -) -(let ((maker - (lambda (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)))))) - (set! / (maker /)) - (set! - (maker -))) +(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 -))) |