diff options
Diffstat (limited to 'module/slib/mularg.scm')
-rw-r--r-- | module/slib/mularg.scm | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/module/slib/mularg.scm b/module/slib/mularg.scm new file mode 100644 index 000000000..a327b2bc5 --- /dev/null +++ b/module/slib/mularg.scm @@ -0,0 +1,12 @@ +;;; "mularg.scm" Redefine - and / to take more than 2 arguments. + +(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 -))) |