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.help Subject: Re: Closures - do you understand them well? Date: Thu, 02 Mar 2023 12:08:49 +0100 Message-ID: <87y1ofcsvy.fsf@web.de> 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> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31078"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 02 12:09:20 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 1pXgoK-0007zS-66 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 02 Mar 2023 12:09:20 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pXgnu-0008OV-SN; Thu, 02 Mar 2023 06:08:54 -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 1pXgnt-0008Io-S7 for help-gnu-emacs@gnu.org; Thu, 02 Mar 2023 06:08:53 -0500 Original-Received: from mout.web.de ([212.227.17.11]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXgns-0000RY-7r for help-gnu-emacs@gnu.org; Thu, 02 Mar 2023 06:08:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=s29768273; t=1677755330; i=michael_heerdegen@web.de; bh=lkMIcYiG/aYp55HwZHdy2KiHPQDHXPGVpwmxRh0UNho=; h=X-UI-Sender-Class:From:To:Subject:In-Reply-To:References:Date; b=qABYgWzmm/t2DlLGSvrqWMEHNyXjEBIY3LwHqQ3/muUl+3WhGf7MDLZEa98Z2mZAW wYtvzYFgJHTI6/5ZecrjWqYxLWFZMREvUulDo6hMVE1MP8G36Avd09bpp44rjt3SUN 70bYxA/INhLVCmK/pM0ybmSeNT2ey72HqSdZY/glHbPq7ac6197/uVeit9KV+hyFAx Mh9tgL2dJbYRkk2cDHBON5Ci53F6UKLBAIe5vSnVzAwMfrPn1yNSYddW3Fi++lnpFC 0ElW76oKpecmikFmi2AjZRiVwo8ppnKV0CuOhIMjJYWtjXIn+ms9+chd4A+CvnT7wr MIuAwkcFe/iUg== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Original-Received: from drachen.dragon ([84.59.210.57]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MOUtg-1pxdNs11gs-00Q0ac; Thu, 02 Mar 2023 12:08:50 +0100 In-Reply-To: <877cw2yu6a.fsf@web.de> (Michael Heerdegen's message of "Tue, 28 Feb 2023 11:13:17 +0100") X-Provags-ID: V03:K1:aG8IcEnY7U9st0DsAXzGdSyZ3Zh5P3VB8wskUQd4+A9t5XgN5XC mZMQliuY2PhaByZAcwBSozqaAWlCkjRmxgJ2eRkLs+eDa0/4z3WQ0CeeDKkk6fqHs0NRcdu 5OxDwHA6GzQ7SSovszNlag/lXwnRSZ/OEjEaq6i3kGbambw/2g3m2WOi+lfcPg5sXezjjTS tzpBfs2vhj4KD0GFgjYHQ== UI-OutboundReport: notjunk:1;M01:P0:nLoWs/Z6S4E=;CGR+Nyue2MB/pZd0Inu4wL05IPJ Qbgjdp5FE1rZlU1xj1keD0eOEtmKgT8ROYm6u7hsVf3UJGo5pl0GL9G8JdjHZ+++SpSueZHAX 5ArAfhIEVwAib9+WdDFXMOngA4NYkXICpqTqGTJ+b39n7LunT0BvHBDACZMkclUZniIBR2el/ QXaAxMZwak/SRzJqTy4qPMxWHW3vIvJiQJgmGzcNRguOJtm05wAdu2SaJIJTscejQjv2DWxA2 IXLT6YVJNYhKs4nwwEOGdBZ94668DCT+/jQM7at7vYQ7yT28vVXUJ4BmpJd2DRyUuBbTzd1IK ovel4ennV+rvavzNsc4WZm5pytFQVbpjaXHZ+yCRSegCf8JnSmkUnMbCU8TGLUMyxSj86smOt dnJJKfsIvL44P+b/c9gdlQL40W0nko8Ui/ah55M+LaPEdnb+Lvt3MzwLZ8sfmsc+kXuMu0yWV kwecqW4jcjNjn35/ZVyGyz1YIDRpIJ71lMVvvzC1+rsh+/ZCbOFt9tHWJHkzSRbTqWknk5xKl 5qZMaPPuM1q4TcHkJR4bMl8CySjbxbM2Tm/DIBKnQd5XG0kxzTmCAqgZjWbuT7Vw4Yv9ezUs4 wwtBuZsOmICOw/HeY147qS0dIsrybVR6djmrDKvuEOCcGxTr0ys3Qd2KEQypzAPSPtVkL2SWE yqkJRVZ0pvH/C19dTiEkb1kOhtgQqvRHiSJ1R27E9g1nKZBSbqBV6fs6ix4j4/2rfuQd219/J 5HeBC0eqPA8PoQ3NdG2LMYhDSfFv+WItQAVKy3jeQohtKbTHQoMkRlSMPWREL9Yjc79o+uft Received-SPF: pass client-ip=212.227.17.11; envelope-from=michael_heerdegen@web.de; helo=mout.web.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:142888 Archived-At: Michael Heerdegen writes: > > > 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. Micha.