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: 103376,7272aa7508a3d83f
X-Google-Attributes: gid103376,public
X-Google-Language: ENGLISH,ASCII-7-bit
Path: 
 g2news1.google.com!news3.google.com!news2.volia.net!npeer.de.kpn-eurorings.net!news.uni-stuttgart.de!carbon.eu.sun.com!btnet-feed5!btnet!news.btopenworld.com!not-for-mail
From: Martin Dowie <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: pointer questions
Date: Thu, 27 Oct 2005 19:28:36 +0000 (UTC)
Organization: BT Openworld
Message-ID: <djr9p4$d33$3@nwrdmz02.dmz.ncs.ea.ibs-infra.bt.com>
References: <djp1tm$186k$1@node3.news.atman.pl>
 <A_Z7f.2112$Rl1.1471@newsread1.news.pas.earthlink.net>
 <wccvezjrqvv.fsf@shell01.TheWorld.com>
 <djr2pa$d33$1@nwrdmz02.dmz.ncs.ea.ibs-infra.bt.com>
 <19cfb$4361207d$4995001$19541@ALLTEL.NET>
NNTP-Posting-Host: host86-131-223-248.range86-131.btcentralplus.com
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Trace: nwrdmz02.dmz.ncs.ea.ibs-infra.bt.com 1130441316 13411 86.131.223.248
 (27 Oct 2005 19:28:36 GMT)
X-Complaints-To: news-complaints@lists.btinternet.com
NNTP-Posting-Date: Thu, 27 Oct 2005 19:28:36 +0000 (UTC)
In-Reply-To: <19cfb$4361207d$4995001$19541@ALLTEL.NET>
X-Accept-Language: en-us, en
User-Agent: Mozilla Thunderbird 1.0.7 (Windows/20050923)
Xref: g2news1.google.com comp.lang.ada:6013
Date: 2005-10-27T19:28:36+00:00
List-Id: <comp.lang.ada>

Marc A. Criley wrote:
> Martin Dowie wrote:
>> Embedded defence apps and I can't remember the last time I needed an 
>> access type!
>>
>> There's no need in this sort of app, as you know at compile time what 
>> the maximum number of anything your system is required to deal with, 
>> so you can always use a lookup table of some sort (even if it has an 
>> 'In_Use : Boolean' field/discriminant.
> 
> 
> Now that is exactly the domain where I would expect to not see access 
> types, for the reasons you cite (as well as related reasons having to do 
> with predictability and the consequences of errors.)

More error related than predictability I hope! Or is there some 
dangerous non-determinism associated with access types I haven't come 
across yet?! :-)

Cheers

-- Martin