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.devel Subject: Re: Add a function for building sort predicates Date: Thu, 01 Feb 2024 19:26:36 +0200 Message-ID: <86h6isyu2b.fsf@gnu.org> References: <87msskw1u8.fsf@web.de> <87eddw9k5o.fsf@daniel-mendler.de> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20371"; mail-complaints-to="usenet@ciao.gmane.io" Cc: michael_heerdegen@web.de, emacs-devel@gnu.org To: Daniel Mendler Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Feb 01 18:27:31 2024 Return-path: Envelope-to: ged-emacs-devel@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 1rVaqZ-00050a-7Q for ged-emacs-devel@m.gmane-mx.org; Thu, 01 Feb 2024 18:27:31 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rVaq3-0005Lj-1A; Thu, 01 Feb 2024 12:26:59 -0500 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 1rVaq0-0005Jp-VP for emacs-devel@gnu.org; Thu, 01 Feb 2024 12:26:57 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rVapz-00078U-Gg; Thu, 01 Feb 2024 12:26:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=AwwPdS+a2ZOTetW7Qr3pJD2V16CmLA3JvQ7sGBk+e3s=; b=Yx2ZU9tfCVGx UfMtWVvEnyJrHW/tCFLJSinokNVHNYvN9QXhFMiODJmLXPaMyyAa3NhdNvp9nO9WUPvQoY87iYSgM XL9EAAeq/0gXvDekJZsH8MytKS2dzNyQoupxut5D2LFdtk47rJ8kHOrSJlCK6OwH+FCUYyIqosOpu Fo+QLDheoOJ/G7Lp7987p8hZBbJ+Rm6pWgXRAnjL4RtQzPHzZyVtLCltr3ImV0t3+BmHQxZZxtCCt SnETzVB6lTWId+GneEM4Gl1Gui+agYxUGbWpyjqt60RYmOesfr1Af2xDPCIP0qZVHOj/6GOZpcUcB tJGiYO/Fr908Rgaqh7xd9Q==; In-Reply-To: <87eddw9k5o.fsf@daniel-mendler.de> (emacs-devel@gnu.org) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:315708 Archived-At: > Cc: Emacs Development > Date: Thu, 01 Feb 2024 18:19:47 +0100 > From: Daniel Mendler via "Emacs development discussions." > > > Would we want to add something like this? And to which library? I > > would like to prepare a patch. > > That's a useful addition. Did you consider creating a macro, which will > lead to a more efficient predicate, or is `make-sort-pred' intended to > be used in scenarios with customizable predicate rules, such that the > rules have to be processed at runtime? How about adding a more user-friendly UI for customizing the sorting? Surely, we could come up with something easier to use than having to write a non-trivial sort comparison function? This is all about defining a "collation order" for a fixed and small set of status values, right?