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=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD,
	FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4
X-Google-Thread: a07f3367d7,c9d5fc258548b22a
X-Google-Attributes: gida07f3367d7,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news1.google.com!postnews.google.com!h19g2000prh.googlegroups.com!not-for-mail
From: Shark8 <onewingedshark@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: How do I write directly to a memory address?
Date: Tue, 8 Feb 2011 12:21:03 -0800 (PST)
Organization: http://groups.google.com
Message-ID: 
 <8af279c4-67c5-4d93-9d7d-116796baff58@h19g2000prh.googlegroups.com>
References: 
 <67063a5b-f588-45ea-bf22-ca4ba0196ee6@l11g2000yqb.googlegroups.com>
 <05a3673e-fb97-449c-94ed-1139eb085c32@x1g2000yqb.googlegroups.com>
 <iimmvm$tsp$1@news.eternal-september.org> <8r86vgFc3uU1@mid.individual.net>
 <iimrem$udn$1@news.eternal-september.org>
 <19fh1chm74f9.11cws0j5bckze.dlg@40tude.net>
 <fa33fca1-c95b-4558-8a4c-7b3276366ffc@m13g2000yqb.googlegroups.com>
 <4d4ff70e$0$6886$9b4e6d93@newsspool2.arcor-online.net>
 <737a6396-72bd-4a1e-8895-7d50f287960e@d28g2000yqc.googlegroups.com>
 <4d5008a5$0$6879$9b4e6d93@newsspool2.arcor-online.net>
 <eda00084-fcc3-416c-bd3e-8b9e9c1a4b40@o13g2000yql.googlegroups.com>
 <4d5031fe$0$6765$9b4e6d93@newsspool3.arcor-online.net>
 <1f229967-d3cf-42b6-8087-c97ee08652f3@i40g2000yqh.googlegroups.com>
 <4d5116d1$0$7657$9b4e6d93@newsspool1.arcor-online.net>
NNTP-Posting-Host: 174.28.151.164
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1297196463 23297 127.0.0.1 (8 Feb 2011 20:21:03
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Tue, 8 Feb 2011 20:21:03 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: h19g2000prh.googlegroups.com; posting-host=174.28.151.164;
 posting-account=lJ3JNwoAAAAQfH3VV9vttJLkThaxtTfC
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.13)
 Gecko/20101203 Firefox/3.6.13 ( .NET CLR 3.5.30729; .NET4.0E),gzip(gfe)
Xref: g2news1.google.com comp.lang.ada:17025
Date: 2011-02-08T12:21:03-08:00
List-Id: <comp.lang.ada>

On Feb 8, 3:11=A0am, Georg Bauhaus <rm-host.bauh...@maps.futureapps.de>
wrote:
> On 2/8/11 9:04 AM, Ludovic Brenta wrote:
>
> > BTW, like I said, *every* time I look at C code, I see a bug. In your
> > case, foo has undefined behavior if countdown is negative.
>
> You took the bait. =A0 Fine.
>
> Strict contracts in subprogram profiles. Ha!
>
> void foo2(int jump)
> =A0 =A0/* make sure jump % 2 =3D=3D 0! */
> {
> =A0 =A0 ...
>
> }
>
> Write that in Ada 2005 to demonstrate the glorious power of
> your subtype constraints. =A0When was it that compilers will
> support aspects reliably?

Okay.
Procedure Foo( Jump : In Integer ) is
  SubType Half_Range is Integer'First/2 .. Integer'Last/2;
  Odd_Number : Exception;
begin
 if jump mod 2 =3D 0 then
   declare
     Jump_2 : Jump_Half:=3D Jump / 2;
   begin
  ---- insert operations here
   end
else
 Raise Odd_Number;
end if;
end Foo;