From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Juanma Barranquero Newsgroups: gmane.emacs.devel Subject: Re: Defining new sequence types for seq.el Date: Tue, 12 Nov 2019 04:02:23 +0100 Message-ID: References: <871rud3ovl.fsf@ericabrahamsen.net> Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="0000000000006234be05971d7cb6" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="189701"; mail-complaints-to="usenet@blaine.gmane.org" Cc: Emacs developers To: Eric Abrahamsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Nov 12 04:04:42 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iUMTy-000lXP-LU for ged-emacs-devel@m.gmane.org; Tue, 12 Nov 2019 04:04:42 +0100 Original-Received: from localhost ([::1]:58782 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iUMST-0001h2-25 for ged-emacs-devel@m.gmane.org; Mon, 11 Nov 2019 22:03:09 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40535) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iUMSM-0001gg-IR for emacs-devel@gnu.org; Mon, 11 Nov 2019 22:03:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iUMSL-0002KP-Ib for emacs-devel@gnu.org; Mon, 11 Nov 2019 22:03:02 -0500 Original-Received: from mail-qk1-x730.google.com ([2607:f8b0:4864:20::730]:40578) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iUMSL-0002KB-DU for emacs-devel@gnu.org; Mon, 11 Nov 2019 22:03:01 -0500 Original-Received: by mail-qk1-x730.google.com with SMTP id z16so13225673qkg.7 for ; Mon, 11 Nov 2019 19:03:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/fCAAMsQLmvEPoY4Bi/ykFcclKwkDY5DD8HFTq8vAjI=; b=ayWCNZRs0VAUhNSAR1CK3HrO7LHcjwHXbYIGVBNf4gBS+oiY/ljL+cozsEBeU4Xna/ MmUihXbpvN/2Jo0chjzO1hFLa8m7XHqD4/bk/f2LIXlAYTrE9b20Ggm7xl3o8tcMTchK asTpTjSujQt7pyN5JM8qgPUx7cSC8jilSUzYF5jqpbhuS/OndzbjEh8L3mj7WvhtszRj RUnJRnl84cG9FVpbShr14ZwWNuK8zdOOnmQvZc+blPSZJiI5JBAkr4AII75S8iZAgWDg qV0dLEOejifOtDWa24NVo3GgFlqiUkZB1xhHPOJGKCOQErYGW9zC3a4E991wyeKdkqRn KboQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/fCAAMsQLmvEPoY4Bi/ykFcclKwkDY5DD8HFTq8vAjI=; b=TdIhH5M58Vvt45aCuCBTx5UzxafER5lHtngKq+VZIG+BrVvpbWyIWxoG9Ui8m3XKKN VII3P43YWbXtb42cndb0Ih88SmIN+O8xFY7gMnHg8FiqVEFGgB23V94h/1430Gps1r3+ zx//oKtJ39/37biJFMYHGYNwDiWJtYNdwgU/wk3NMf2RM3nQHygBqRmPKtiOjD29+SZu 40gcpEYV7vj9uv0veEW7u3raIdNjdro/CULtIExJlEr1c8kODFVkoCooIb7XZWfYbKw7 ff7/5i8GsbBtScL/PmnA7bbQPBZDRRWqadkgL640RNLvxaWtDBz2Oyulv5jnPFONknfx jr2w== X-Gm-Message-State: APjAAAXIJuBQO4FkYFgWvKQSnUF03+A9p47hfeU/pBYXy9gB6smgOfj0 9qi70OnSJlHPDwsoydCOd+7lUgAeBMaq+iiOLxZHKSfE X-Google-Smtp-Source: APXvYqxs5dyWwsSIHS1xSk59sG5qkFTW7bpXkr72OcFgSlJnbPaxRIDh/St6GZmTwPFxPsZzANdtKociqfKZoobLAXE= X-Received: by 2002:a37:a792:: with SMTP id q140mr13570066qke.216.1573527780207; Mon, 11 Nov 2019 19:03:00 -0800 (PST) In-Reply-To: <871rud3ovl.fsf@ericabrahamsen.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::730 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:242098 Archived-At: --0000000000006234be05971d7cb6 Content-Type: text/plain; charset="UTF-8" On Tue, Nov 12, 2019 at 1:45 AM Eric Abrahamsen wrote: > Do I need to use a struct with one slot? Any other tips? You could do something like: (setq my-list '(gnus-range (1 . 9) 35 120)) (cl-defgeneric seq-length ((sequence (head gnus-range))) (let ((l 0)) (dolist (elt (cdr sequence)) (cl-incf l (if (consp elt) (1+ (- (cdr elt) (car elt))) 1))) l)) (seq-length my-list) --0000000000006234be05971d7cb6 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Tue, Nov 12, 2019 at 1:45 AM Eric Abrahamsen &l= t;eric@ericabrahamsen.net>= ; wrote:

> Do I need to use a struct with one slo= t? Any other tips?

You could do something like:

(setq my-list '(gnus-range (1 . 9) 35 120))

(cl-= defgeneric seq-length ((sequence (head gnus-range)))
=C2=A0 (let ((l 0))=
=C2=A0 =C2=A0 (dolist (elt (cdr sequence))
=C2=A0 =C2=A0 =C2=A0 (cl-= incf l (if (consp elt) (1+ (- (cdr elt) (car elt))) 1)))
=C2=A0 =C2=A0 l= ))

(seq-length my-list)

--0000000000006234be05971d7cb6--