From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!.POSTED!not-for-mail
From: Plamen Tanovski <pgt@arcor.de>
Newsgroups: gmane.emacs.help
Subject: seq-mapn and circular lists
Date: Wed, 14 Dec 2016 23:19:31 +0100
Organization: Aioe.org NNTP Server
Message-ID: <o2sghh$1snc$1@gioia.aioe.org>
NNTP-Posting-Host: blaine.gmane.org
Mime-Version: 1.0
Content-Type: text/plain
X-Trace: blaine.gmane.org 1481754034 13623 195.159.176.226 (14 Dec 2016 22:20:34 GMT)
X-Complaints-To: usenet@blaine.gmane.org
NNTP-Posting-Date: Wed, 14 Dec 2016 22:20:34 +0000 (UTC)
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)
To: help-gnu-emacs@gnu.org
Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Dec 14 23:20:31 2016
Return-path: <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
Envelope-to: geh-help-gnu-emacs@m.gmane.org
Original-Received: from lists.gnu.org ([208.118.235.17])
	by blaine.gmane.org with esmtp (Exim 4.84_2)
	(envelope-from <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>)
	id 1cHHuX-0002q7-Ti
	for geh-help-gnu-emacs@m.gmane.org; Wed, 14 Dec 2016 23:20:30 +0100
Original-Received: from localhost ([::1]:50590 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>)
	id 1cHHub-000525-TN
	for geh-help-gnu-emacs@m.gmane.org; Wed, 14 Dec 2016 17:20:33 -0500
Original-Path: usenet.stanford.edu!news.glorb.com!2.us.feeder.erje.net!feeder.erje.net!1.eu.feeder.erje.net!news.unit0.net!news.mixmin.net!aioe.org!.POSTED!not-for-mail
Original-Newsgroups: gnu.emacs.help
Original-Lines: 13
Original-NNTP-Posting-Host: 1nG2CuHhZp9kEO7SyON5JA.user.gioia.aioe.org
Original-X-Complaints-To: abuse@aioe.org
X-Notice: Filtered by postfilter v. 0.8.2
Original-Xref: usenet.stanford.edu gnu.emacs.help:219028
X-BeenThere: help-gnu-emacs@gnu.org
X-Mailman-Version: 2.1.21
Precedence: list
List-Id: Users list for the GNU Emacs text editor <help-gnu-emacs.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/help-gnu-emacs/>
List-Post: <mailto:help-gnu-emacs@gnu.org>
List-Help: <mailto:help-gnu-emacs-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=subscribe>
Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org
Original-Sender: "help-gnu-emacs"
	<help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
Xref: news.gmane.org gmane.emacs.help:111956
Archived-At: <http://permalink.gmane.org/gmane.emacs.help/111956>

Hi,

while cl-map works fine on circular lists, seq-mapn just freezes

(let ((l1 '#1=(1 . #1#)))
  ; (map 'list #'+ '(3 4 5 7) l1)
  (seq-mapn #'+ '(3 4 5 7) l1))

Making the circular list with setcdr or nconc doesn't help. Any
suggestions?

best regards
PT