From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Alexandre Garreau Newsgroups: gmane.emacs.devel Subject: Re: persistent data feature Date: Sun, 12 Dec 2021 05:58:36 +0100 Message-ID: <2933756.8xI8jAGOd3@galex-713.eu> References: <87tufmjyai.fsf@gnus.org> <492F4AC1-2230-4D4C-9D8E-19659FBFB50B@mit.edu> <87bl1miivh.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35087"; mail-complaints-to="usenet@ciao.gmane.io" To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Dec 12 05:59:50 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 1mwGxi-00091r-7j for ged-emacs-devel@m.gmane-mx.org; Sun, 12 Dec 2021 05:59:50 +0100 Original-Received: from localhost ([::1]:51464 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mwGxh-00045L-5n for ged-emacs-devel@m.gmane-mx.org; Sat, 11 Dec 2021 23:59:49 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:38724) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mwGwn-0002Zb-5t for emacs-devel@gnu.org; Sat, 11 Dec 2021 23:58:53 -0500 Original-Received: from [2a00:5884:8305::1] (port=36456 helo=galex-713.eu) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mwGwl-0000xF-Cl for emacs-devel@gnu.org; Sat, 11 Dec 2021 23:58:52 -0500 Original-Received: from gal by galex-713.eu with local (Exim 4.94.2) (envelope-from ) id 1mwGwX-001tBU-GU for emacs-devel@gnu.org; Sun, 12 Dec 2021 05:58:37 +0100 In-Reply-To: <87bl1miivh.fsf@localhost> X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:5884:8305::1 (failed) Received-SPF: pass client-ip=2a00:5884:8305::1; envelope-from=galex-713@galex-713.eu; helo=galex-713.eu X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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" Xref: news.gmane.io gmane.emacs.devel:281746 Archived-At: Le diman=C4=89o, 12-a de decembro 2021, 4-a horo kaj 48:02 CET Ihor Radchen= ko a=20 =C3=A9crit : > Qiantan Hong writes: >=20 >=20 >=20 > > I think a good fit to that would be incremental image. >=20 > Note that not all data can be saved incrementally. Org mode's cache is > currently using AVL-tree with extra links between nodes - it is a > full-scale circular object. I am not sure if there is a universal way to > store and update such data incrementally. Doesn=E2=80=99t elisp=E2=80=99s printer detects cycles and print #0, #1, et= c. where=20 needed?