From 8ffbc2df0fde83082610149d24e594c1cd879f4a Mon Sep 17 00:00:00 2001 From: Bryan Newbold Date: Mon, 20 Feb 2017 00:05:25 -0800 Subject: Import Upstream version 2a6 --- mularg.scm | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 mularg.scm (limited to 'mularg.scm') diff --git a/mularg.scm b/mularg.scm new file mode 100644 index 0000000..3d62cf4 --- /dev/null +++ b/mularg.scm @@ -0,0 +1,10 @@ +;;; "mularg.scm" Redefine - and / to take more than 2 arguments. + +(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 -))) -- cgit v1.2.3