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.devel Subject: Re: New package: resist! Date: Sun, 12 Dec 2021 02:35:48 +0100 Message-ID: <87fsqyy58r.fsf@web.de> References: <87pmq2ws27.fsf@web.de> <4660513.oQR9SAZQBz@galex-713.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20019"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:ykoj7vB6FTBaDAyH9B5e8J/xYDI= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Dec 12 02:37:01 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 1mwDnR-0004yA-Hh for ged-emacs-devel@m.gmane-mx.org; Sun, 12 Dec 2021 02:37:01 +0100 Original-Received: from localhost ([::1]:38402 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mwDnP-0004og-Mv for ged-emacs-devel@m.gmane-mx.org; Sat, 11 Dec 2021 20:36:59 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:57360) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mwDmV-00041o-9a for emacs-devel@gnu.org; Sat, 11 Dec 2021 20:36:03 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:34182) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mwDmP-0001w7-Vu for emacs-devel@gnu.org; Sat, 11 Dec 2021 20:36:02 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mwDmO-0003c4-4G for emacs-devel@gnu.org; Sun, 12 Dec 2021 02:35:56 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@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 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:281719 Archived-At: Alexandre Garreau writes: > > > It’s not really an implementation of a persistent (key value) store, > > > it’s more like an object oriented prin1. > > > > How does your package handle values whose print syntax can't just be > > `read' to recreate the value? > > that’s an issue for pretty much any persistence package, and it would just > as well be while using sqlite, persist, eieio-persistent or anything > else. Yes, but it's the hard part. It is what makes saving the Gnus registry slow, and it is what makes eieio-persistent look "like an object oriented prin1". > Now we could try to see what would happen concretely: what kind of values > are you thinking to? The Gnus registry is one example. Apart from that: most values, actually, apart from trivial ones: lists, hash-tables, structs. Most applications will not just need to save integers and strings. Michael.