From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: pjb@anevia.com (Pascal J. Bourguignon) Newsgroups: gmane.emacs.help Subject: Re: Adding many elements to a list Date: Fri, 18 Sep 2009 17:13:30 +0200 Organization: Anevia SAS Message-ID: <7cab0ss2ud.fsf@pbourguignon.lefevre.anevia.com> References: <979e809f-0b95-46bf-afa4-1a25cda5bae0@j9g2000vbp.googlegroups.com> <7chbv0fjuj.fsf@anevia.com> <87vdjgxrga.fsf@lola.goethe.zz> <7ceiq4s405.fsf@pbourguignon.lefevre.anevia.com> <87my4sxpzv.fsf@lola.goethe.zz> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1253340540 13207 80.91.229.12 (19 Sep 2009 06:09:00 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 19 Sep 2009 06:09:00 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Sep 19 08:08:53 2009 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Mot7r-0005eY-Kz for geh-help-gnu-emacs@m.gmane.org; Sat, 19 Sep 2009 08:08:51 +0200 Original-Received: from localhost ([127.0.0.1]:45921 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Mot7q-0001cP-Kg for geh-help-gnu-emacs@m.gmane.org; Sat, 19 Sep 2009 02:08:50 -0400 Original-Path: news.stanford.edu!usenet.stanford.edu!newsserver.news.garr.it!newsserver.cilea.it!univ-lyon1.fr!news.in2p3.fr!in2p3.fr!proxad.net!feeder1-2.proxad.net!cleanfeed2-a.proxad.net!nnrp14-2.free.fr!not-for-mail Original-Newsgroups: gnu.emacs.help Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAQMAAABtzGvEAAAABlBMVEUAAAD///+l2Z/dAAAA oElEQVR4nK3OsRHCMAwF0O8YQufUNIQRGIAja9CxSA55AxZgFO4coMgYrEDDQZWPIlNAjwq9 033pbOBPtbXuB6PKNBn5gZkhGa86Z4x2wE67O+06WxGD/HCOGR0deY3f9Ijwwt7rNGNf6Oac l/GuZTF1wFGKiYYHKSFAkjIo1b6sCYS1sVmFhhhahKQssRjRT90ITWUk6vvK3RsPGs+M1RuR mV+hO/VvFAAAAABJRU5ErkJggg== X-Accept-Language: fr, es, en X-Disabled: X-No-Archive: no User-Agent: Gnus/5.101 (Gnus v5.10.10) Emacs/22.2 (gnu/linux) Cancel-Lock: sha1:BLNQkfRdfSkGIUDSXsoahW7LBoM= Original-Lines: 41 Original-NNTP-Posting-Date: 18 Sep 2009 17:13:30 MEST Original-NNTP-Posting-Host: 88.170.236.224 Original-X-Trace: 1253286810 news-4.free.fr 435 88.170.236.224:44216 Original-X-Complaints-To: abuse@proxad.net Original-Xref: news.stanford.edu gnu.emacs.help:173159 X-Mailman-Approved-At: Sat, 19 Sep 2009 02:06:59 -0400 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:68298 Archived-At: David Kastrup writes: > pjb@anevia.com (Pascal J. Bourguignon) writes: > >> David Kastrup writes: >> >>> pjb@informatimago.com (Pascal J. Bourguignon) writes: >>> >>>> So better use (require 'cl) (push new-item list) >>>> or (cons new-item list) >>>> or (append (list new-items...) list) >>> >>> (require 'cl) is quite unnecessary for all of the mentioned >>> alternatives. >> >> Not on emacs version < 23. > > Nonsense. push&pop were officially announced in Emacs 21.1. I may be > mistaken, but I think they have been there even earlier. > > And the other options certainly were there from the earliest versions of > GNU Emacs. C-h f push RET push is a Lisp macro in `cl.el'. (push x place) Insert x at the head of the list stored in place. Analogous to (setf place (cons x place)), though more careful about evaluating each argument only once and in the right order. place may be a symbol, or any generalized variable allowed by `setf'. [back] M-x emacs-version RET GNU Emacs 22.2.1 (x86_64-unknown-linux-gnu, X toolkit) of 2008-08-21 on simias -- __Pascal Bourguignon__