From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: uzibalqa Newsgroups: gmane.emacs.help Subject: Re: Making a list of lists Date: Mon, 03 Jul 2023 19:08:02 +0000 Message-ID: References: <87jzvhdkkz.fsf@whxvd.name> <87v8f1c544.fsf@whxvd.name> <87jzvgc0r1.fsf@whxvd.name> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21249"; mail-complaints-to="usenet@ciao.gmane.io" Cc: help-gnu-emacs@gnu.org To: Sebastian Miele Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jul 03 21:08:44 2023 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qGOuh-0005No-JT for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 03 Jul 2023 21:08:43 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qGOuG-00046Q-AB; Mon, 03 Jul 2023 15:08:16 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qGOuC-000461-PZ for help-gnu-emacs@gnu.org; Mon, 03 Jul 2023 15:08:14 -0400 Original-Received: from mail-40132.protonmail.ch ([185.70.40.132]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qGOu9-0000Md-1X for help-gnu-emacs@gnu.org; Mon, 03 Jul 2023 15:08:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proton.me; s=protonmail; t=1688411285; x=1688670485; bh=rCzO087Un6JK1ybJm7dqegn7SFHH7zyJdJEVon9F1g8=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=VJWPz4YVcGpT14lG0gyE3aPJlZ+UiAJeeWj5XQ/nV3pCNyDRZ6+BzVkUt/RRScc9r kx8NsRHL4rH/4CnArJoDreRvY/7QrZ95uuvobKwtlRCHAyLK85UIg1MEhprvfShQZw M9GjSDnPJDuKvjnSld6EEpDMuDVn/wsZQkSW0xmkJythlRn8LJMqmqs3btVqPipw6Q y2D3U18Ef2W6j8r0VmOXpxvd51FxDWE0MlLUXqMVkZUmi5AGsgOCSRZzqEcPTsO7Oo LaNoA+qluSxId3jRzgeBYVRz7QGAQbgY8KibKJSdqvBezd41IwxSM7YxecmyWzLhi7 YDOCnzneCyHjg== In-Reply-To: <87jzvgc0r1.fsf@whxvd.name> Feedback-ID: 52887082:user:proton Received-SPF: pass client-ip=185.70.40.132; envelope-from=uzibalqa@proton.me; helo=mail-40132.protonmail.ch X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:144100 Archived-At: ------- Original Message ------- On Tuesday, July 4th, 2023 at 5:56 AM, Sebastian Miele wr= ote: > > From: uzibalqa uzibalqa@proton.me > > Date: Mon, 2023-07-03 17:51 +0000 > >=20 > > > > Suppose I have mylist, with a number of lists constructed as follow= s > > > >=20 > > > > (setq mylist '()) > > > > (setq entry1 (linseq "A" "B" "C")) > > > > (setq entry2 (linseq "D" "E" "F")) > > > >=20 > > > > Then how do I add entry1 and entry2, to mylist ? > > >=20 > > > Examples: > > >=20 > > > (setq mylist (cons entry1 (cons entry2 mylist))) > > > (push entry2 mylist) (push entry1 mylist) > > > (add-to-list 'mylist entry2) (add-to-list 'mylist entry1) > > > (setq mylist `(,entry1 ,entry2 ,@mylist)) > >=20 > > Can push be used with multiple entries ? > >=20 > > (push entry1 entry2 mylist) >=20 >=20 > No. (Both the Emacs Lisp manual, and C-h f push RET, mention that.) >=20 > > I would like to write a function that pushes a whole list to a list, to= make > > a list of lists, called a chart. >=20 >=20 > I do not know what a chart is. Maybe I define a chart to be a list of lists, with each sublist being a row of a = chart. Thus chart is (("row1" "r11" "r12") ("row2" "" "r21" "r22"))=20 =20 > (setq mylist nil > l1 '(a b c) > l2 '(d e f)) > (setq mylist `(,@l1 ,@l2 ,@l)) >=20 > is what you want. Read about the "backquote construct" in the Emacs > Lisp manual. Another function to explore in this context is =E2=80=98appe= nd=E2=80=99: >=20 > (setq mylist (append l1 l2 mylist)) >=20 > > Here is my function, but need some form of loop, to traverse all the > > function arguments. > >=20 > > (defun linseq (&rest sequence) > > sequence) > >=20 > > (defun attach (chart &rest linsq) > > (apply #'push linsq chart)) >=20 >=20 > Again, I do not exactly understand what you want to acheive. >=20 > =E2=80=98apply=E2=80=99 would not work in that example, because of its sp= ecial handling > of its last parameter. =E2=80=98funcall=E2=80=99 would. But neither is ne= cessary here. >=20 > In principle, e.g., =E2=80=98mapc=E2=80=99 yields a way to loop over elem= ents of a list > (for side-effects only). But looping probably is not necessary, too. >=20 > It is my strong impression, that you should take the time and work > through a general introduction to (Emacs) Lisp first. A lack of that > background just is too limiting.