From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: Too fine design granularity leads to numerous macro/function/command existed in Emacs. Date: Fri, 13 Aug 2021 18:59:20 +0300 Message-ID: <83wnopbajr.fsf@gnu.org> References: <831r6xctwu.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22805"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Aug 13 17:59:57 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 1mEZbB-0005fx-41 for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 13 Aug 2021 17:59:57 +0200 Original-Received: from localhost ([::1]:55726 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mEZb9-0006x1-E9 for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 13 Aug 2021 11:59:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49916) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mEZar-0006wt-6x for help-gnu-emacs@gnu.org; Fri, 13 Aug 2021 11:59:37 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:46530) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mEZar-0007EE-0t for help-gnu-emacs@gnu.org; Fri, 13 Aug 2021 11:59:37 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2279 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mEZaq-0005B1-3C for help-gnu-emacs@gnu.org; Fri, 13 Aug 2021 11:59:36 -0400 In-Reply-To: (message from Arthur Miller on Fri, 13 Aug 2021 16:42:20 +0200) 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:132506 Archived-At: > From: Arthur Miller > Cc: help-gnu-emacs@gnu.org > Date: Fri, 13 Aug 2021 16:42:20 +0200 > > Eli Zaretskii writes: > > >> From: Arthur Miller > >> Date: Fri, 13 Aug 2021 11:26:39 +0200 > >> Cc: help-gnu-emacs > >> > >> Hongyi Zhao writes: > >> > >> > It's well known that Emacs has already implemented numerous > >> > macro/function/command in its current version. But it seems that this > >> > is caused by, to a certain degree, the too fine granularity, i.e., > >> > there are many functionally similar macro/function/command are > >> > designed separately, for example, `directory-files' and > >> > `directory-files-recursively'. The traditional Unix tool, `find', can > >> I wouldn't say that these are "very" similar. Sure they both list files, > >> but a recursive lister vs. plain lister is a big difference. > > > > The comparison of 'find' with the two Emacs APIs is basically invalid: > > 'find' is an _application_, whereas the 2 APIs are just that: APIs > > that could be used to build such an application. See find-lisp.el for > > what the application would look like. > > In a *shell world* one could logically think of cli utlities > as "apis" and options as function arguments, and I guess pipe would be > functional composition. But there were no pipes in the original comparison. It just compared these Lisp APIs with 'find' the command.