From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eric Abrahamsen Newsgroups: gmane.emacs.help Subject: Re: How do I pass a variable defined in a wrapping let, to a lambda? Date: Fri, 11 Mar 2022 18:19:55 -0800 Message-ID: <875yoj52us.fsf@ericabrahamsen.net> References: <87k0d03vaw.fsf@ericabrahamsen.net> <8735joc5of.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7752"; 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:fKo3aNFVqTgfDLjX9VBUcVEp55w= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Mar 12 03:40:46 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 1nSrgU-0001vl-02 for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 12 Mar 2022 03:40:46 +0100 Original-Received: from localhost ([::1]:37674 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nSrgS-0002EN-Gv for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 11 Mar 2022 21:40:44 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:46500) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nSrMV-0000k9-2A for help-gnu-emacs@gnu.org; Fri, 11 Mar 2022 21:20:07 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:51204) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nSrMT-0007K2-O1 for help-gnu-emacs@gnu.org; Fri, 11 Mar 2022 21:20:06 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nSrMR-0008jB-PY for help-gnu-emacs@gnu.org; Sat, 12 Mar 2022 03:20:03 +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-Mailman-Approved-At: Fri, 11 Mar 2022 21:40:08 -0500 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:136473 Archived-At: Michael Heerdegen writes: > Hi Eric, > > you may want to find out what evaluating lexical-binding in the buffer > with lexical-binding -> nil gives you. > > Second: (AFAIK...) be sure to reeval `steinars-test' with > lexical-binding -> nil. `steinars-test' defined using the lexical > binding dialect will return a closure even when called in the > dynamcially binding dialect. Yeah, I tried to do the second experiment with the function and variable names incremented, but I think I was just in too much of a hurry and missed one of them out (using the previous `steinars-test' instead of the newler function). Anyway, nice to recover some confidence...