From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.help Subject: RE: How to draw cons cell diagrams? Date: Fri, 30 Mar 2018 16:42:09 -0700 (PDT) Message-ID: <089fd5fe-ed30-4697-9c2f-36ce32cdd605@default> References: <86o9j5tikl.fsf@zoho.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1522453251 30691 195.159.176.226 (30 Mar 2018 23:40:51 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 30 Mar 2018 23:40:51 +0000 (UTC) To: Emanuel Berg , help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Mar 31 01:40:47 2018 Return-path: 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 ) id 1f23dW-0007rV-Nr for geh-help-gnu-emacs@m.gmane.org; Sat, 31 Mar 2018 01:40:46 +0200 Original-Received: from localhost ([::1]:53071 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f23fY-00078G-Aq for geh-help-gnu-emacs@m.gmane.org; Fri, 30 Mar 2018 19:42:52 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58507) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f23f1-00077Q-Uy for help-gnu-emacs@gnu.org; Fri, 30 Mar 2018 19:42:20 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f23ex-0006lc-PP for help-gnu-emacs@gnu.org; Fri, 30 Mar 2018 19:42:19 -0400 Original-Received: from userp2120.oracle.com ([156.151.31.85]:32900) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f23ex-0006kI-FK for help-gnu-emacs@gnu.org; Fri, 30 Mar 2018 19:42:15 -0400 Original-Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w2UNHBgW156595; Fri, 30 Mar 2018 23:42:13 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=mime-version : message-id : date : from : sender : to : subject : references : in-reply-to : content-type : content-transfer-encoding; s=corp-2017-10-26; bh=bzzR2w4SGR21Ya9FCiIiq7OFZ/KPx5whhiBWxRJdWc8=; b=GVXt+TA9PjCcNC+mSzxFUKPnn5d/Oq6+uMp5i92axlxGCEqKk6LJ9M2fozUa6dTmWxQj KPWH1izsnGYpgdTmuftiOFTe612JDcyUZsZFoFGWD2JIbWKOo21XfxOAHri3EYlt1Y4p r4sUskqF6Sglf/4DxlzLACVvcxKx7Ntv+8pErTQ3wyY4Bebof2Fp0G7MQb8vFCTrIKHu zHdcrcwYAtdIuWacQ9A3jKsw9SU/aV40/exS5B6NP/FSj/ETwumgmuBuJzv5+mDsns5G 8jNqnXu7OSHmDR7GwJiOiwS4cC7elc4v227qhzzdzua8eX+ccXj2H3X/xkVCILr1NYmJ SA== Original-Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2120.oracle.com with ESMTP id 2h1xscg265-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 30 Mar 2018 23:42:13 +0000 Original-Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w2UNgBBi005135 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 30 Mar 2018 23:42:12 GMT Original-Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w2UNgBHS003770; Fri, 30 Mar 2018 23:42:11 GMT In-Reply-To: <86o9j5tikl.fsf@zoho.com> X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.9.1 (1003210) [OL 16.0.4666.0 (x86)] X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8848 signatures=668697 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=668 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1803300232 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 156.151.31.85 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 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" Xref: news.gmane.org gmane.emacs.help:116301 Archived-At: > The only reservation is, isn't that kind of > expert manipulation of lists, even among > Lispers, a thing of the past? Huh? > In all my Elisp I have only 8 "cons". You might have only 8 calls to `cons'. But your code likely uses thousands of conses (aka cons cells). Except for atomic data types (strings, symbols (including nil), vectors, arrays, numbers,=20 buffers, windows, frames, etc.), everything in Lisp is built with cons cells. Yeah, that's just a tautology. (not (atom X)) =3D=3D (consp X)