source: trunk/j/src/org/armedbear/lisp/multiple-value-setq.lisp @ 9266

Last change on this file since 9266 was 6396, checked in by piso, 17 years ago

Initial checkin.

File size: 1.1 KB
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1;;; multiple-value-setq.lisp
2;;;
3;;; Copyright (C) 2004 Peter Graves
4;;; $Id: multiple-value-setq.lisp,v 1.1 2004-03-31 02:51:38 piso Exp $
5;;;
6;;; This program is free software; you can redistribute it and/or
7;;; modify it under the terms of the GNU General Public License
8;;; as published by the Free Software Foundation; either version 2
9;;; of the License, or (at your option) any later version.
10;;;
11;;; This program is distributed in the hope that it will be useful,
12;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14;;; GNU General Public License for more details.
15;;;
16;;; You should have received a copy of the GNU General Public License
17;;; along with this program; if not, write to the Free Software
18;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19
20;; Adapted from CMUCL.
21
22(in-package "SYSTEM")
23
24(defmacro multiple-value-setq (varlist value-form)
25  (unless (and (listp varlist) (every #'symbolp varlist))
26    (error "~S is not a list of symbols." varlist))
27  `(values (setf (values ,@varlist) ,value-form)))
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