From 8466d8cfa486fb30d1755c4261b781135083787b Mon Sep 17 00:00:00 2001 From: Bryan Newbold Date: Mon, 20 Feb 2017 00:05:29 -0800 Subject: Import Upstream version 3a1 --- mularg.scm | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) (limited to 'mularg.scm') diff --git a/mularg.scm b/mularg.scm index e0ad203..4bfac03 100644 --- a/mularg.scm +++ b/mularg.scm @@ -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 -))) -- cgit v1.2.3