From: David Vázquez <davazp@gmail.com>
Date: Sun, 23 Jun 2013 13:25:14 +0000 (+0200)
Subject: Fix MAPC
X-Git-Url: http://repo.macrolet.net/gitweb/?a=commitdiff_plain;h=39073a08c50017639af346069c4e9710bd40b93e;p=jscl.git

Fix MAPC
---

diff --git a/src/list.lisp b/src/list.lisp
index ad0e7a6..9b5f9c1 100644
--- a/src/list.lisp
+++ b/src/list.lisp
@@ -213,9 +213,10 @@
              (collect (apply func elems))))))))
 
 (defun mapc (func &rest lists)
-  (do* ((elems (map1 #'car lists) (map1 #'car lists-rest))
-        (lists-rest (map1 #'cdr lists) (map1 #'cdr lists-rest)))
-       ((dolist (x elems) (when (null x) (return t)))
+  (do* ((tails lists (map1 #'cdr tails))
+        (elems (map1 #'car tails)
+               (map1 #'car tails)))
+       ((dolist (x tails) (when (null x) (return t)))
         (car lists))
     (apply func elems)))