From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: seq-union calling seq-reverse? (Emacs master 0cf0a2b98671: Add new sequence function 'seq-union') Date: Fri, 17 Sep 2021 08:25:52 -0400 Message-ID: References: <20210917131328+0200.462267-stepnem@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9265"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: =?utf-8?B?xaB0xJtww6FuIE7Em21lYw==?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Sep 17 14:27:42 2021 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 1mRCxw-0002Ch-N4 for ged-emacs-devel@m.gmane-mx.org; Fri, 17 Sep 2021 14:27:40 +0200 Original-Received: from localhost ([::1]:60954 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mRCxv-0004Wn-FU for ged-emacs-devel@m.gmane-mx.org; Fri, 17 Sep 2021 08:27:39 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39560) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mRCwH-0002oN-VZ for emacs-devel@gnu.org; Fri, 17 Sep 2021 08:25:58 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:61026) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mRCwG-0005Ej-AF for emacs-devel@gnu.org; Fri, 17 Sep 2021 08:25:57 -0400 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 580F944029A; Fri, 17 Sep 2021 08:25:54 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 20805440B08; Fri, 17 Sep 2021 08:25:53 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1631881553; bh=kHIj5e/miAUwRacvCdm5dUb47LJGq/WETyFD/OT1k3E=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=iNGjiZh+j4DiKeFw+KIdaZs6o9dHodIddoGS6i1TI3ihvy5Zh2utA1Y3nL6/ds7sY PKXClHua0Syr1BPXEc9VhGSL12pSknMBSggnbHGud4rPZRkpZWvO9Mm2uICsZwV6a9 M12csUwlW0y7gDkDG2xckB5+pPcK2Tz0+57vayd0V+GktRoNC790sUCmYc7NvEh5V8 IuclKnPYRKrCztwdiI8gLMkjpCsd9r6yzL7jAFMMDzVAzBCd50rkodAVx1pkHFZmhB 5yRlZZrljW45LFxoWDFJ3Z337nJYkK4z9a+DAgA+s14FTB+uI3VwpIPVW/T6+bidPA VJesXeKD+G2Iw== Original-Received: from pastel (unknown [45.72.241.23]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id E9F851203D8; Fri, 17 Sep 2021 08:25:52 -0400 (EDT) In-Reply-To: <20210917131328+0200.462267-stepnem@gmail.com> (=?utf-8?B?IsWgdMSbcMOhbiBOxJttZWMiJ3M=?= message of "Fri, 17 Sep 2021 13:13:28 +0200") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.devel:274865 Archived-At: > `seq-reverse' seems gratuitous here WRT the purpose of `seq-union'. > > Given that this is a set operation, As the name indicates, this is a *seq*uence operation, not a set operation. I'd welcome a `set.el` which provides proper support for sets. Stefan