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=-1.8 required=5.0 tests=BAYES_00,FREEMAIL_FROM,
	PLING_QUERY autolearn=no autolearn_force=no version=3.4.4
X-Google-Thread: 103376,b6d862eabdeb1fc4
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news1.google.com!news4.google.com!proxad.net!feeder1-2.proxad.net!usenet-fr.net!gegeweb.org!aioe.org!not-for-mail
From: =?iso-8859-15?Q?Yannick_Duch=EAne_=28Hibou57=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: Ada noob here! Is Ada widely used?
Date: Mon, 07 Jun 2010 16:48:24 +0200
Organization: Ada At Home
Message-ID: <op.vdxp2yfqxmjfy8@garhos>
References: <jhaJn.4661$z%6.1650@edtnps83>
 <yvu10n9bap55$.1occbqoi8kamk$.dlg@40tude.net>
 <hudsf0$41p$1@speranza.aioe.org>
 <wcchblh9uw6.fsf@shell01.TheWorld.com>
 <C8306ECD.145F17%yaldnif.w@blueyonder.co.uk>
 <jie1slpi909j.152v5srl3et2y.dlg@40tude.net> <op.vdvbh7ikule2fv@garhos>
 <dde6m0poz8y2$.159jnspm6e$.dlg@40tude.net> <op.vdvdn9scule2fv@garhos>
 <d00zdxzqkpyy$.b18v6dzye2v2.dlg@40tude.net> <op.vdvk5jrdule2fv@garhos>
 <2o8vq76hpv1m.vs7m2beo23nz.dlg@40tude.net> <op.vdvpd7wpule2fv@garhos>
 <1q5k4indthpli.1dn17o4ue4a15$.dlg@40tude.net>
 <4c0c1188$0$6887$9b4e6d93@newsspool2.arcor-online.net>
 <op.vdw6zottz25lew@macpro-eth1.krischik.com>
 <4c0cd44f$0$6766$9b4e6d93@newsspool3.arcor-online.net>
 <op.vdxkw4t2xmjfy8@garhos> <91w8y6qvtty4.16d1ujzrvbi44.dlg@40tude.net>
 <4c0cfda2$0$7653$9b4e6d93@newsspool1.arcor-online.net>
NNTP-Posting-Host: uc9w8JL/SPghnB/cvHTiUA.user.speranza.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes
Content-Transfer-Encoding: Quoted-Printable
X-Complaints-To: abuse@aioe.org
X-Notice: Filtered by postfilter v. 0.8.2
User-Agent: Opera Mail/10.53 (Win32)
Xref: g2news1.google.com comp.lang.ada:11423
Date: 2010-06-07T16:48:24+02:00
List-Id: <comp.lang.ada>

Le Mon, 07 Jun 2010 16:09:37 +0200, Georg Bauhaus  =

<rm.dash-bauhaus@futureapps.de> a =E9crit:
> I still wonder why one would not want to
> specify more than the subtype constraints can achieve
Indeed, I oftenly had this in mind (what a type system will never be abl=
e  =

to do).

-- =

There is even better than a pragma Assert: a SPARK --# check.
--# check C and WhoKnowWhat and YouKnowWho;
--# assert Ada;
--  i.e. forget about previous premises which leads to conclusion
--  and start with new conclusion as premise.