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 10.129.76.88 with SMTP id z85mr26850095ywa.28.1499189690007; Tue, 04 Jul 2017 10:34:50 -0700 (PDT) X-Received: by 10.36.23.213 with SMTP id 204mr1074503ith.8.1499189689970; Tue, 04 Jul 2017 10:34:49 -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!2.eu.feeder.erje.net!feeder.erje.net!2.us.feeder.erje.net!weretis.net!feeder6.news.weretis.net!feeder.usenetexpress.com!feeder1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!v31no2347600qtb.0!news-out.google.com!s132ni2653itb.0!nntp.google.com!188no1144220itx.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Tue, 4 Jul 2017 10:34:49 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=76.113.92.25; posting-account=lJ3JNwoAAAAQfH3VV9vttJLkThaxtTfC NNTP-Posting-Host: 76.113.92.25 References: <82a59ee9-8d55-4c73-9daf-e9f7d9ab8a8f@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <12f90584-ec4b-41bf-a8db-dcc83f9ea4ea@googlegroups.com> Subject: Re: derived formal types and known discriminants From: Shark8 Injection-Date: Tue, 04 Jul 2017 17:34:49 +0000 Content-Type: text/plain; charset="UTF-8" Xref: news.eternal-september.org comp.lang.ada:47278 Date: 2017-07-04T10:34:49-07:00 List-Id: On Tuesday, July 4, 2017 at 1:09:57 AM UTC-6, Dmitry A. Kazakov wrote: > > BTW, if discriminants were abstracted as they should have been, that > would be the way to implement constructors with parameters. You could > declare a parameter as a public discriminant non-existing in the actual > implementation and the type user would have to supply it when declaring > an object. Hm, that is an interesting idea.