From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Lisp anime video Date: Sun, 29 Aug 2021 17:44:47 +0200 Message-ID: <878s0k6ys0.fsf@zoho.eu> References: <874kb8akgd.fsf@zoho.eu> <20210829074031.GB18750@tuxteam.de> <871r6c8ybx.fsf@zoho.eu> <20210829100045.GD18750@tuxteam.de> <87h7f87c38.fsf@zoho.eu> <20210829120627.GG18750@tuxteam.de> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22094"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:6mWm1o578zjOd716n3sTuZ2Omew= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Aug 29 17:54:29 2021 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 1mKN8d-0005R1-FZ for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 29 Aug 2021 17:54:27 +0200 Original-Received: from localhost ([::1]:57928 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mKN8c-0001Ld-Fb for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 29 Aug 2021 11:54:26 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58810) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mKMzh-0004wm-Dd for help-gnu-emacs@gnu.org; Sun, 29 Aug 2021 11:45:13 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:36480) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mKMzf-0002cM-L8 for help-gnu-emacs@gnu.org; Sun, 29 Aug 2021 11:45:13 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mKMzZ-0001h8-TQ for help-gnu-emacs@gnu.org; Sun, 29 Aug 2021 17:45:05 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.help:132817 Archived-At: tomas wrote: >> Yes, but I wrote that. In the video they show another piece >> of code which doesn't work in MIT/GNU Scheme what >> I can see. > > So the difference is (1- n) vs (- n 1)? Why don't you say > that, instead of letting people find out? [...] Note: Guile > knows about `1-'. Here is a screenshot of the code from the video: https://dataswamp.org/~incal/scheme/lisp-maybe.png What I can see, it says exactly (cond (=1 n) (* n (fac (- n 1)) n) which doesn't work in MIT/GNU Scheme or GNU Guile. $ scheme --version MIT/GNU Scheme microcode 15.3 Copyright (C) 2019 Massachusetts Institute of Technology This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Image saved on Wednesday June 10, 2020 at 2:59:57 PM Release 10.1.11 || Microcode 15.3 || Runtime 15.7 || SF 4.41 LIAR/x86-64 4.118 Ceterum censeo Carthaginem esse delendam. $ guile --version guile (GNU Guile) 3.0.5 Packaged by Debian (3.0.5-deb+3.0.5-4) Copyright (C) 2021 Free Software Foundation, Inc. License LGPLv3+: GNU LGPL 3 or later . This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. -- underground experts united https://dataswamp.org/~incal