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,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.129.39.149 with SMTP id n143mr9455933ywn.109.1502443340846; Fri, 11 Aug 2017 02:22:20 -0700 (PDT) X-Received: by 10.36.103.4 with SMTP id u4mr662397itc.14.1502443340810; Fri, 11 Aug 2017 02:22:20 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!nntp-feed.chiark.greenend.org.uk!ewrotcd!news.etla.org!feeder.erje.net!2.us.feeder.erje.net!weretis.net!feeder6.news.weretis.net!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!s6no167132qtc.1!news-out.google.com!19ni486itw.0!nntp.google.com!u14no265951ita.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Fri, 11 Aug 2017 02:22:20 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=2003:c7:83c9:b733:706c:2519:7b25:5e53; posting-account=rmHyLAoAAADSQmMWJF0a_815Fdd96RDf NNTP-Posting-Host: 2003:c7:83c9:b733:706c:2519:7b25:5e53 References: <1395655516.524005222.638450.laguest-archeia.com@nntp.aioe.org> <1502382504.2184.6.camel@obry.net> <466561720.524077501.729508.laguest-archeia.com@nntp.aioe.org> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <3ff7c50c-bf24-42e1-8019-760b8e8b8e87@googlegroups.com> Subject: Re: Community Input for the Maintenance and Revision of the Ada Programming Language From: AdaMagica Injection-Date: Fri, 11 Aug 2017 09:22:20 +0000 Content-Type: text/plain; charset="UTF-8" Xref: news.eternal-september.org comp.lang.ada:47705 Date: 2017-08-11T02:22:20-07:00 List-Id: Am Freitag, 11. August 2017 10:34:41 UTC+2 schrieb Dmitry A. Kazakov: > A similar case is dimensioned arithmetic which is closer to what you > proposed when the dimension is packed in a discriminant rather than tag. > Here again we want statically known discriminants eliminated and pure > dimension checks in static cases. See here a critical review of what has been done by AdaCore: http://www.christ-usch-grein.homepage.t-online.de/Ada/Dimension/Physical_units_with_GNAT_GPL_2013-AUJ35.1.pdf