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: 103376,e55245590c829bef X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!postnews.google.com!u10g2000yqk.googlegroups.com!not-for-mail From: Shark8 Newsgroups: comp.lang.ada Subject: Re: _Type vs no _Type Date: Sat, 6 Nov 2010 13:52:58 -0700 (PDT) Organization: http://groups.google.com Message-ID: <2eff1732-3608-493b-bb80-114313e50b88@u10g2000yqk.googlegroups.com> References: <86wroy58ff.fsf@gareth.avalon.lan> <86pqup5xfy.fsf@gareth.avalon.lan> <86y69d3rec.fsf@gareth.avalon.lan> <82lj5c5ecm.fsf@stephe-leake.org> <82zktq4n9b.fsf_-_@stephe-leake.org> <4cd53555$0$7665$9b4e6d93@newsspool1.arcor-online.net> NNTP-Posting-Host: 174.28.219.200 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1289076778 18286 127.0.0.1 (6 Nov 2010 20:52:58 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Sat, 6 Nov 2010 20:52:58 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: u10g2000yqk.googlegroups.com; posting-host=174.28.219.200; posting-account=lJ3JNwoAAAAQfH3VV9vttJLkThaxtTfC User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12 ( .NET CLR 3.5.30729; .NET4.0E),gzip(gfe) Xref: g2news2.google.com comp.lang.ada:16319 Date: 2010-11-06T13:52:58-07:00 List-Id: On Nov 6, 5:00=A0am, Georg Bauhaus wrote: > On 11/6/10 8:12 AM, Dmitry A. Kazakov wrote: > > > Hmm, I would expect you arguing for > > > =A0 =A0 function "/" (Dividend : T; Divisor : T) return T; > > > For commutative operations like "+" it becomes a bit difficult: > > You aren't suggesting the computer-"+" is a commutative > operation, are you? Excepting floating point numbers; addition is commutative, isn't it? But things get 'interesting' when they become non-commutative, like '*' regarding matrices.