From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Thread: f8899,3c634d3864722c74
X-Google-Thread: 10dd18,3c634d3864722c74
X-Google-Thread: f4fd2,3c634d3864722c74
X-Google-Thread: 103376,3c634d3864722c74
X-Google-Attributes: gidf8899,gid10dd18,gidf4fd2,gid103376,public,usenet
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news1.google.com!news2.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.telenor.com!news.telenor.com.POSTED!not-for-mail
NNTP-Posting-Date: Sat, 29 Dec 2007 12:39:26 -0600
Date: Sat, 29 Dec 2007 19:39:17 +0100
Subject: Re: Choosing a new language
From: "John Thingstad" <jpthing@online.no>
Organization: private
Content-Type: text/plain; format=flowed; delsp=yes; charset=iso-8859-15
MIME-Version: 1.0
Newsgroups: comp.lang.haskell,comp.lang.python,comp.lang.lisp,comp.lang.ada
References: <20071228162351.f29a3ce4.coolzone@it.dk>
 <20071229161119.72a5dccf@solaris.tower>
 <b9fb6af6-19d7-409a-b1ea-5dc93324bd63@i29g2000prf.googlegroups.com>
Content-Transfer-Encoding: 8bit
Message-ID: <op.t330rrd1ut4oq5@pandora.alfanett.no>
User-Agent: Opera Mail/9.25 (Win32)
X-Antivirus: avast! (VPS 071228-0, 28.12.2007), Outbound message
X-Antivirus-Status: Clean
X-Usenet-Provider: http://www.giganews.com
NNTP-Posting-Host: 84.202.158.36
X-Trace: 
 sv3-FWuoaugFNBOF0CVjnh6HUbEL16TJfjkKlvNDt38F7Z/6x4upx1e8j75v7GaZwtC73hf78jLzNVo8hU5!xK/85LBz74kTx9pyiBeVz4pvJwCG2lgrZhJSB2kDAIVM9TfLKLBpUKUoq5zP/QbrJS6y5z1D/Oki!s/A=
X-Complaints-To: news-abuse@telenor.net
X-DMCA-Complaints-To: news-abuse@telenor.net
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint
 properly
X-Postfilter: 1.3.37
Xref: g2news1.google.com comp.lang.haskell:1009 comp.lang.python:161119
 comp.lang.lisp:76477 comp.lang.ada:19067
Date: 2007-12-29T19:39:17+01:00
List-Id: <comp.lang.ada>

P� Sat, 29 Dec 2007 18:58:30 +0100, skrev Arnaud Delobelle  
<arnodel@googlemail.com>:

> On Dec 29, 3:11�pm, Achim Schneider <bars...@web.de> wrote:
> [...]
>> Lisp throws lambda calculus right into your face, which is a good
>> thing. Scheme might be the better choice, it's lexically  
>> scoped:http://mitpress.mit.edu/sicp/
>> There are also video lectures with people with funny hats speaking wise
>> words.
>
> Common Lisp has lexical scoping as well (although defvar allows you to
> declare dynamically scoped variables).
>
> --
> Arnaud
>

More precisely defvar, defparameter, progv  and (declare (special var))  
create variables with dynamic scope.
let and let* do as you said use a lexical scope. (unless you use a declare  
as above)


--------------
John Thingstad