From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: `append' vs. `nconc' Date: Fri, 01 Jan 2016 14:31:36 +0100 Message-ID: <87bn95tohz.fsf@debian.uxu> References: <568164D8.6050700@ojkastl.de> <87io3iyr7t.fsf@debian.uxu> <87si2kezg1.fsf@mithlond.arda> <87a8osrlj4.fsf_-_@debian.uxu> <87lh8bgafa.fsf@mithlond.arda> <87io3fdqfm.fsf@mithlond.arda> <87bn95ddf2.fsf@kuiper.lan.informatimago.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1451655329 12432 80.91.229.3 (1 Jan 2016 13:35:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 1 Jan 2016 13:35:29 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Jan 01 14:35:19 2016 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aEzrT-0002tx-Eo for geh-help-gnu-emacs@m.gmane.org; Fri, 01 Jan 2016 14:35:19 +0100 Original-Received: from localhost ([::1]:35940 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aEzrS-00038w-ML for geh-help-gnu-emacs@m.gmane.org; Fri, 01 Jan 2016 08:35:18 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44791) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aEzrJ-00038d-0V for help-gnu-emacs@gnu.org; Fri, 01 Jan 2016 08:35:09 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aEzrF-0000Ay-Ji for help-gnu-emacs@gnu.org; Fri, 01 Jan 2016 08:35:08 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:51340) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aEzrF-0000As-D8 for help-gnu-emacs@gnu.org; Fri, 01 Jan 2016 08:35:05 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1aEzrE-0002fU-9Y for help-gnu-emacs@gnu.org; Fri, 01 Jan 2016 14:35:04 +0100 Original-Received: from nl106-137-56.student.uu.se ([130.243.137.56]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 01 Jan 2016 14:35:04 +0100 Original-Received: from embe8573 by nl106-137-56.student.uu.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 01 Jan 2016 14:35:04 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 29 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: nl106-137-56.student.uu.se Mail-Copies-To: never User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) Cancel-Lock: sha1:pq2QDQjKz/T9hGyzHsszHXvDVVY= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:108566 Archived-At: "Pascal J. Bourguignon" writes: > list returns a fresh list. ` doesn't. ` may return > a structure that shares literal substructures > with others. I have lots of ' and ` and instead of examining all those cases I think it is easier to look for the mutators, and see if ' or ` are used in their vicinity. I found this page: http://www.emacswiki.org/emacs/DestructiveOperations > It's simplier to forget about set and setq, and > always use setf. Oh, no! I have 207 `setq' in my initialization! > That frees two neurons to think about other things. I think we have spent too much time together lately: now we are starting to *think* the same way! -- underground experts united http://user.it.uu.se/~embe8573