From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: Closures - do you understand them well? Date: Thu, 02 Mar 2023 19:37:53 +0100 Message-ID: <87v8jjdmny.fsf@dataswamp.org> References: <87h6y5pt8k.fsf@web.de> <87bkodpqnk.fsf@web.de> <87k030tlfh.fsf@web.de> <87ilike1l8.fsf@gnu.org> <87cz8suv92.fsf@dataswamp.org> <87pmcpo1wz.fsf@web.de> <87pmcpm9vn.fsf@web.de> <87sfg8xcps.fsf@dataswamp.org> <87h6wmacdn.fsf@web.de> <87v8krlo9q.fsf@dataswamp.org> <875ycrsd2c.fsf@web.de> <87ilfowq63.fsf@dataswamp.org> <877cw2yu6a.fsf@web.de> <87y1ofcsvy.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="27272"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:Wp7a3Vg8qlxbxBtbz80zLp7UGk0= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 02 22:30:51 2023 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 1pXqVn-0006vt-25 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 02 Mar 2023 22:30:51 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pXqVJ-0001kA-DP; Thu, 02 Mar 2023 16:30:21 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXnoc-0000SX-DN for help-gnu-emacs@gnu.org; Thu, 02 Mar 2023 13:38:06 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXnoa-00033i-E5 for help-gnu-emacs@gnu.org; Thu, 02 Mar 2023 13:38:05 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1pXnoW-0009l0-Af for help-gnu-emacs@gnu.org; Thu, 02 Mar 2023 19:38:00 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never 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 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 02 Mar 2023 16:30:20 -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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:142897 Archived-At: Michael Heerdegen wrote: >>>> The actual structure is not interesting for programming >>>> any more. >>> >>> Are we talking lexical let-closures? Why not? >> >> Unless I still misunderstand your question: Lisp is >> a high-level language, not Assembler, so like you don't >> modify the bytes of byte-code functions by hand, you also >> don't edit the internal representation of closures. > > Maybe I should mention oclosures where you can access > variables with accessor functions "from the outside". > But this is also a high-level thing, the internal structure > of oclosures is not important and an implementation like for > "normal" function values. Open closures BTW, isn't that a contradiction in terms, even? :) Smells too much OO but maybe they were there before the OO paradigm ... -- underground experts united https://dataswamp.org/~incal