source: trunk/j/src/org/armedbear/lisp/tailp.lisp @ 9266

Last change on this file since 9266 was 2532, checked in by piso, 18 years ago

Initial checkin.

File size: 1010 bytes
Line 
1;;; tailp.lisp
2;;;
3;;; Copyright (C) 2003 Peter Graves
4;;; $Id: tailp.lisp,v 1.1 2003-06-22 18:18:18 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(in-package "COMMON-LISP")
21
22(defun tailp (object list)
23  (do ((list list (cdr list)))
24      ((atom list) (eql list object))
25    (if (eql object list)
26  (return t))))
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