From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thierry Volpiatto Newsgroups: gmane.emacs.devel Subject: Re: lexical-binding questions Date: Sat, 05 May 2012 19:59:52 +0200 Message-ID: <87havu4ig7.fsf@gmail.com> References: <871umzrvfw.fsf@gmail.com> <87wr4rqg6g.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1336240806 16114 80.91.229.3 (5 May 2012 18:00:06 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 5 May 2012 18:00:06 +0000 (UTC) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat May 05 20:00:03 2012 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 1SQjH0-0002V3-45 for ged-emacs-devel@m.gmane.org; Sat, 05 May 2012 20:00:02 +0200 Original-Received: from localhost ([::1]:33811 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SQjGz-0005Vl-Jq for ged-emacs-devel@m.gmane.org; Sat, 05 May 2012 14:00:01 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:38388) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SQjGx-0005Vf-HJ for emacs-devel@gnu.org; Sat, 05 May 2012 14:00:00 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SQjGv-00039l-Qi for emacs-devel@gnu.org; Sat, 05 May 2012 13:59:59 -0400 Original-Received: from mail-we0-f169.google.com ([74.125.82.169]:45755) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SQjGv-00038x-I3 for emacs-devel@gnu.org; Sat, 05 May 2012 13:59:57 -0400 Original-Received: by werb14 with SMTP id b14so2076527wer.0 for ; Sat, 05 May 2012 10:59:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; bh=ADS15Ii7j7WimwMlk/NqboL+aASuOmQkfszLz5I0P2A=; b=zocnHK3jfAqlPUwq2Xokrq8KcrD1urSDXHKvUTOUOJt+yy/Kwn8Z1SLAVQYC6fW+VK EQqQ50qdFJ0pI5Tp2tUKXp5Jx3tu+vjFdXo36c9OLG4TnTPXOEg1+ykOcwVdOhSsAlIH LxyNiHArJj13hdgxypE7b7GNo1r+kfpq1P0aDvUAO6tuh2OzpBgvqEWkXI+4dXHSLjeV jars+umnl6sC6lPCRDlOtMcpc88FDO34kAwQjC18e+HZvdsfNgqIvub5uuoWhSTt0iK3 +vNx+JPGHFaXjXnJorpjeFKbGd/pVJ7lGoAHgdmogPjSm9tWbEIQMCYfjUk8wh455513 P5mg== Original-Received: by 10.180.99.72 with SMTP id eo8mr21735648wib.10.1336240795426; Sat, 05 May 2012 10:59:55 -0700 (PDT) Original-Received: from thierry-MM061 (lbe83-2-78-243-104-167.fbx.proxad.net. [78.243.104.167]) by mx.google.com with ESMTPS id fm1sm7066593wib.10.2012.05.05.10.59.53 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 05 May 2012 10:59:54 -0700 (PDT) In-Reply-To: (Stefan Monnier's message of "Sat, 05 May 2012 09:29:39 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 74.125.82.169 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:150301 Archived-At: Stefan Monnier writes: >> Also, in CL, the declare spec is placed at the beginning of the let > [...] >> Why does it behave differently from CL? > > Because it forces the interpreter to check for the presence of > a `declare' every time it sees a `let', even though it will only find > one once per century or so. > It's an OK design for a language where there's always going to be > a pre-processing of some sort before evaluation but for Emacs's pure > naive interpreter it's inconvenient. Ok, thanks for explanations. -- Thierry Get my Gnupg key: gpg --keyserver pgp.mit.edu --recv-keys 59F29997