From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ihor Radchenko Newsgroups: gmane.emacs.devel Subject: Re: cond* Date: Thu, 21 Dec 2023 14:10:51 +0000 Message-ID: <87y1dnlk7o.fsf@localhost> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1782"; mail-complaints-to="usenet@ciao.gmane.io" Cc: =?utf-8?B?Sm/Dg8KjbyBUw4PCoXZvcmE=?= , emacs-devel@gnu.org To: rms@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Dec 21 15:08:35 2023 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 1rGJj0-0000Fj-WB for ged-emacs-devel@m.gmane-mx.org; Thu, 21 Dec 2023 15:08:35 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rGJiD-0006sk-Nu; Thu, 21 Dec 2023 09:07:45 -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 1rGJiB-0006sN-T5 for emacs-devel@gnu.org; Thu, 21 Dec 2023 09:07:43 -0500 Original-Received: from mout01.posteo.de ([185.67.36.65]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rGJi9-0007Hz-Ry for emacs-devel@gnu.org; Thu, 21 Dec 2023 09:07:43 -0500 Original-Received: from submission (posteo.de [185.67.36.169]) by mout01.posteo.de (Postfix) with ESMTPS id 504EC24002A for ; Thu, 21 Dec 2023 15:07:39 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1703167659; bh=ZDTdA4ZB3+3H67blljggBerGmzcloCqhgxk46LmTmHg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:From; b=qGO7+S2Fsdjbed2JrisqR+Yx5+DHLwZLHH1qHWcoULISIR2xk9OIBRT3Rgno8HCW8 9njrzW669sMTksf3Nkq0jwv6IYkYeoB0Ol0a68FV4KSESGWf3Ljrz8VLiGhPEn4B6H osOcEmi7vc+v5vZ9dWmud/UQBbvhOC1sWCWpN3XgzrOYtCJG9m0WiPNsrrbB4qz0fJ 6Ae8R5CcEqfCIT/awz9CKQo7RkdU/ZEKqKMKiL4oD7wHbTsBC6NayqLk6LNHVz4MQb NWIYkLoPDy4hZe17H5/xmYmRxeJ5MfcmI/5rggJ5DL2roWbMJLidM6UnrkDr16brqQ f7Jx81qnPppKw== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4SwshB6NDkz9rxK; Thu, 21 Dec 2023 15:07:38 +0100 (CET) In-Reply-To: Received-SPF: pass client-ip=185.67.36.65; envelope-from=yantar92@posteo.net; helo=mout01.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:314039 Archived-At: Richard Stallman writes: > ... > This tries to be a real example: > > (defun byte-optimize-letX (form) > (cond* > ... > ;; Decompose the form > ((match* `(,head ,bindings . ,body) form)) > > ;; Body is empty or just contains a constant. > ((match* (or `() `(,(macroexp-const-p const))) body) This may be confusing. Consider (let ((somenumber 2) (form '(10))) (cond* ((match* `(,(> (+ somenumber form-car-value) 3))) form) )) It is not clear how to mark actual variables and variables to-be-bound inside ,(...) match* constructs. -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at