From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Artur Malabarba Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] master 1758951: lisp/let-alist.el (let-alist): Evaluate `alist' only once. Date: Fri, 19 Dec 2014 10:59:40 -0200 Message-ID: References: <20141218203409.5403.91769@vcs.savannah.gnu.org> Reply-To: bruce.connor.am@gmail.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1418993988 9395 80.91.229.3 (19 Dec 2014 12:59:48 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Dec 2014 12:59:48 +0000 (UTC) Cc: emacs-devel To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Dec 19 13:59:47 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Y1x9n-00008L-13 for ged-emacs-devel@m.gmane.org; Fri, 19 Dec 2014 13:59:47 +0100 Original-Received: from localhost ([::1]:58206 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1x9m-0008Gz-IW for ged-emacs-devel@m.gmane.org; Fri, 19 Dec 2014 07:59:46 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47883) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1x9j-0008GU-8v for emacs-devel@gnu.org; Fri, 19 Dec 2014 07:59:44 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Y1x9g-0000nC-NQ for emacs-devel@gnu.org; Fri, 19 Dec 2014 07:59:43 -0500 Original-Received: from mail-ob0-x22f.google.com ([2607:f8b0:4003:c01::22f]:57126) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1x9g-0000n6-J2 for emacs-devel@gnu.org; Fri, 19 Dec 2014 07:59:40 -0500 Original-Received: by mail-ob0-f175.google.com with SMTP id wp4so12300381obc.6 for ; Fri, 19 Dec 2014 04:59:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:sender:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=DP7p7FG8D0QYDbfa2J6JKwO44+OeQOTdkj8v2pI1HSU=; b=ZLUMySsNqiEQ1cNEwY92lTExRUQM5dGIiy2spRBgTysMNHIkRy2dVkFfZ3lGQUYI/s 0j9bRA3yrbbDhoD/ayyPSn3GGPJiddWu+mjI+mkNXnAmP015PVucoQKo/WSqWHHxlEnV lTMYSu4+RT4UBmC9s7S2aiUPEF4XswxeOtmikpeev6EqXnfbTdgJfB/QgotIK/RPr4bv Nj0DRo0yJ4X80NNS/IWie4Dj3MjsQmJgUmZWgfjq1GN4kax0xBhhFXhmRqMMdJqsJO3X Og+Nm1HJtTEvIdMg3jCBrRmhTZcmkjJvcOgXrycJib21kDm4f5TQ2NpfAjLW2OvrwMnp o98Q== X-Received: by 10.60.62.241 with SMTP id b17mr3673292oes.17.1418993980076; Fri, 19 Dec 2014 04:59:40 -0800 (PST) Original-Received: by 10.76.26.162 with HTTP; Fri, 19 Dec 2014 04:59:40 -0800 (PST) In-Reply-To: X-Google-Sender-Auth: jeYgW6DBy08XHhBidkwBDrqk_kg X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:4003:c01::22f X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:180329 Archived-At: * I didn't KNOW about that 2014-12-19 10:59 GMT-02:00 Artur Malabarba : > Thanks, I didn't about that. Unfortunately, it seems to not be > available on 24.2 or earlier. (at least, I couldn't find it) > > I want to develop this version in parallel with the Elpa version for > now, while there are still a couple of features I'm planning to add. > But I'll add it in later (before release). > > 2014-12-19 2:33 GMT-02:00 Stefan Monnier : >>> + (let ((var (gensym "let-alist"))) >>> + `(let ((,var ,alist) >> >> You can use `macroexp-let2' for that (with the extra benefit that it >> will skip the `let' if `alist' is already a trivial expression such as >> a simple variable). >> >> >> Stefan