From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: How to specialize seq-concatenate and seq-into-sequence? Date: Fri, 04 Mar 2022 23:12:17 +0100 Message-ID: <87r17hgyf2.fsf@web.de> References: <4E8CCFE1-514F-4636-A69E-B78562BBC702@gmail.com> <389E16F7-14BD-492B-93EE-9D542C374628@gmail.com> <871qzibg2a.fsf@web.de> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13130"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:3u3rVPb5gcYeSgPIp6YJc6qpiUA= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Mar 04 23:14:37 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 1nQGC5-0003Ju-CR for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 04 Mar 2022 23:14:37 +0100 Original-Received: from localhost ([::1]:36522 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nQGC4-0002wp-82 for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 04 Mar 2022 17:14:36 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:32958) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQG9x-0001eJ-7k for help-gnu-emacs@gnu.org; Fri, 04 Mar 2022 17:12:25 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:58766) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQG9v-0006wR-Lr for help-gnu-emacs@gnu.org; Fri, 04 Mar 2022 17:12:24 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nQG9t-0000S5-Rg for help-gnu-emacs@gnu.org; Fri, 04 Mar 2022 23:12:21 +0100 X-Injected-Via-Gmane: http://gmane.org/ 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: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action 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:136366 Archived-At: --=-=-= Content-Type: text/plain Stefan Monnier via Users list for the GNU Emacs text editor writes: > > How would you concatenate a list and a stream to a list? > > I don't understand the question. I wanted to imply that (seq-into 'list (list 1 2) (stream (list 3 4))) errors. > > Or how would you implement it? > > `seq-do` iteration on the various sequences seems like an > obvious solution. > > > Would wrapping `seq-into' over the SEQUENCES be better than only relying > > on dispatching? > > I don't understand this question either. Why `seq-do'? My idea was to do this: --=-=-= Content-Type: text/x-diff Content-Disposition: inline; filename=0001-WIP-seq-concatenate-transform-SEQUENCE-arguments.patch >From 9937c190af8a9cb95c52039ef98e26ac9a2e9fe0 Mon Sep 17 00:00:00 2001 From: Michael Heerdegen Date: Fri, 4 Mar 2022 23:09:28 +0100 Subject: [PATCH] WIP: seq-concatenate: transform SEQUENCE arguments --- lisp/emacs-lisp/seq.el | 1 + 1 file changed, 1 insertion(+) diff --git a/lisp/emacs-lisp/seq.el b/lisp/emacs-lisp/seq.el index cb1b822f85..331e5755d8 100644 --- a/lisp/emacs-lisp/seq.el +++ b/lisp/emacs-lisp/seq.el @@ -299,6 +299,7 @@ seq-concatenate TYPE must be one of following symbols: vector, string or list. \n(fn TYPE SEQUENCE...)" + (setq sequences (mapcar (lambda (s) (seq-into s type)) sequences)) (pcase type ('vector (apply #'vconcat sequences)) ('string (apply #'concat sequences)) -- 2.30.2 --=-=-= Content-Type: text/plain Michael --=-=-=--