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=-0.3 required=5.0 tests=BAYES_00,
	REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail
From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: A bad counterintuitive behaviour of Ada about OO
Date: Fri, 8 Aug 2014 10:04:53 +0200
Organization: cbb software GmbH
Message-ID: <17wt4z4suijym$.fibkp6sw5itz$.dlg@40tude.net>
References: <lrrdm1$u6n$1@speranza.aioe.org>
 <932kntuq5rrr.8sumwibqrufn.dlg@40tude.net> <lrrha0$6mh$3@speranza.aioe.org>
 <1ohy7vnbntskq$.h139ov04mlxu$.dlg@40tude.net>
 <b54d73cd-a0ad-4755-9923-f02cfa43f81d@googlegroups.com>
 <lrvf3f$sd0$1@dont-email.me> <fuhzyiqbbxi1.177yako16rvfm.dlg@40tude.net>
 <lrvn8u$cgd$1@dont-email.me> <xmabybhkwzku.189kwtirj3izb$.dlg@40tude.net>
 <lrvv95$ba$1@dont-email.me> <vxh5hmk6174p.w1s98obhhp3c$.dlg@40tude.net>
 <ls1v77$c3a$1@dont-email.me>
Reply-To: mailbox@dmitry-kazakov.de
NNTP-Posting-Host: ot/DC7n2aCvt5pcTM4dZCw.user.speranza.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 8bit
X-Complaints-To: abuse@aioe.org
User-Agent: 40tude_Dialog/2.0.15.1
X-Notice: Filtered by postfilter v. 0.8.2
Xref: news.eternal-september.org comp.lang.ada:21533
Date: 2014-08-08T10:04:53+02:00
List-Id: <comp.lang.ada>

On Fri, 08 Aug 2014 09:45:41 +0200, J-P. Rosen wrote:

> Le 07/08/2014 18:10, Dmitry A. Kazakov a écrit :
>>> Classification makes sense only if you have
>>> > heterogeneous data structures that manipulate various types belonging to
>>> > a same class. This is rarely the case for elementary types.
>> It is in any math book. Fields, groups, rings, spaces are such
>> classifications known for centuries.
> 
> Huh? I was talking about having containers holding values of different
> types. You are answering with classification in mathematics. I fail to
> see the connection.

I thought you argued that classifications were non-existent. So it is
against generic programming? That would include generics.

As for class-wide containers, *any* GUI library is over the top of such
stuff.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de