From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: [External] : Re: How do I pass a variable defined in a wrapping let, to a lambda? Date: Sun, 13 Mar 2022 19:46:11 -0400 Message-ID: References: <871qz85bwh.fsf@ericabrahamsen.net> Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17529"; 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: sha1:27jcfqBC/Jjer1jviTUOCv3co9c= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Mar 14 00:48:47 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 1nTXx9-0004LE-CP for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 14 Mar 2022 00:48:47 +0100 Original-Received: from localhost ([::1]:52784 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nTXx7-0006LB-F6 for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 13 Mar 2022 19:48:45 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:50042) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nTXus-0006Ig-Vt for help-gnu-emacs@gnu.org; Sun, 13 Mar 2022 19:46:26 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:36132) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nTXuq-0006Nn-4V for help-gnu-emacs@gnu.org; Sun, 13 Mar 2022 19:46:26 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nTXuk-0001CN-KZ for help-gnu-emacs@gnu.org; Mon, 14 Mar 2022 00:46:18 +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: -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, 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:136523 Archived-At: > The code is here: > > http://angg.twu.net/eev-current/eev-template0.el.html#ee-template0-lex I think the fact that it works with lexical scoping is a side-efect of the main change which is to expose the code, so things like `flymake-mode` can warn you when you're using a variable that doesn't exist etc... Stefan