From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Adam Porter Newsgroups: gmane.emacs.devel Subject: Re: [PATCH] Add cl-map-into Date: Thu, 30 Sep 2021 08:03:55 -0500 Message-ID: <87lf3eqkp0.fsf@alphapapa.net> References: <87h7eag90n.fsf@gmail.com> <87czornpqz.fsf@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="25773"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Sep 30 15:06:38 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 1mVvll-0006T2-Tc for ged-emacs-devel@m.gmane-mx.org; Thu, 30 Sep 2021 15:06:37 +0200 Original-Received: from localhost ([::1]:56080 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVvlk-0002S6-T4 for ged-emacs-devel@m.gmane-mx.org; Thu, 30 Sep 2021 09:06:36 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58036) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVvjJ-0008Cm-Ok for emacs-devel@gnu.org; Thu, 30 Sep 2021 09:04:06 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:60962) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVvjI-00063d-20 for emacs-devel@gnu.org; Thu, 30 Sep 2021 09:04:05 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mVvjG-0002N5-48 for emacs-devel@gnu.org; Thu, 30 Sep 2021 15:04:02 +0200 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: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, 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: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:275888 Archived-At: "Bozhidar Batsov" writes: > Great idea! I think having `with-memoization`/`memoize` would be > pretty useful in general. E.g. in Clojure that's a built-in > https://clojuredocs.org/clojure.core/memoize Note that there exists an Elisp memoize library, Skeeto's: https://github.com/skeeto/emacs-memoize But there are some performance issues in general, e.g. Chris explains some here: https://github.com/skeeto/emacs-memoize/issues/11