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.help Subject: Re: How to specialize seq-concatenate and seq-into-sequence? Date: Thu, 03 Mar 2022 19:20:18 -0500 Message-ID: References: <4E8CCFE1-514F-4636-A69E-B78562BBC702@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="10031"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Stefan Monnier via Users list for the GNU Emacs text editor To: Philipp Stephani Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Mar 04 01:24:18 2022 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 1nPvk0-0002OE-Ly for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 04 Mar 2022 01:24:16 +0100 Original-Received: from localhost ([::1]:43424 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nPvjz-0000MR-9m for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 03 Mar 2022 19:24:15 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:49504) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nPvgK-0007s6-FT for help-gnu-emacs@gnu.org; Thu, 03 Mar 2022 19:20:28 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:7414) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nPvgH-00011K-Nt for help-gnu-emacs@gnu.org; Thu, 03 Mar 2022 19:20:27 -0500 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 77B958067C; Thu, 3 Mar 2022 19:20:23 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id E37C68031E; Thu, 3 Mar 2022 19:20:21 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1646353221; bh=JWG2Dc5NBhIIsUAPDrGtjo9R5eAMf6/sL2DUNVx4GR0=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=nm5cLy208BB0E/wNiAsRZM+3RvECqw3EhTQFQodTZX+0e4CDK3Vlo+kdI/6SkaL70 sGbDYkiDDbz/cIxGVAwyNeetpPFMzPN77dVvhH2ibRiyBZNSIhm0hZgOuo36ecaTvR f+ovGf24b1YSse+kekYEW4/0Poru+sfLHJDSSaBdDuPpMsCHuD3lNiYQMZYQJnrKF1 MK9Mj+JqCmu8aWPUQul7lULecBalTeE6soFjbRJBk+xcOkdYHzhNXkroipnQh1yxdU jmMskFSSdPy0PD9ZY4N92J0lwEewCRlH90rYFBqA3xEFOpWg2dJgRHMxGHgkLSnysk QQyjoPDnqzOPw== Original-Received: from pastel (unknown [45.72.208.76]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id A9DDE120377; Thu, 3 Mar 2022 19:20:21 -0500 (EST) In-Reply-To: <4E8CCFE1-514F-4636-A69E-B78562BBC702@gmail.com> (Philipp Stephani's message of "Thu, 3 Mar 2022 21:49:19 +0100") 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 03 Mar 2022 19:23:46 -0500 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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:136348 Archived-At: >>> 2. seq-concatenate takes a &rest argument - AIUI it's not possible to specialize that? >> I think the idea is that you'd use something like `seq-do` on each >> sequence. > But how would one go about writing the cl-defmethod for it? Define `it`. The dispatch is expected to be on the `type` argument (using an `eql` specializer). Stefan