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 2002:a24:7853:: with SMTP id p80-v6mr1605255itc.4.1529910042012; Mon, 25 Jun 2018 00:00:42 -0700 (PDT) X-Received: by 2002:aca:1214:: with SMTP id 20-v6mr950386ois.3.1529910041781; Mon, 25 Jun 2018 00:00:41 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!news.swapon.de!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!d7-v6no3701560itj.0!news-out.google.com!p13-v6ni747itf.0!nntp.google.com!d7-v6no3701558itj.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Mon, 25 Jun 2018 00:00:41 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=176.130.29.212; posting-account=6yLzewoAAABoisbSsCJH1SPMc9UrfXBH NNTP-Posting-Host: 176.130.29.212 References: <5e86db65-84b9-4b5b-9aea-427a658b5ae7@googlegroups.com> <878t7u1cfm.fsf@nightsong.com> <776f3645-ed0c-4118-9b4d-21660e3bba4b@googlegroups.com> <87602fbu2g.fsf@nightsong.com> <87po0mziqt.fsf@nightsong.com> <87fu1izfgs.fsf@nightsong.com> <878t75nwad.fsf@adaheads.home> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: Subject: Re: Ada Successor Language From: briot.emmanuel@gmail.com Injection-Date: Mon, 25 Jun 2018 07:00:42 +0000 Content-Type: text/plain; charset="UTF-8" Xref: reader02.eternal-september.org comp.lang.ada:53286 Date: 2018-06-25T00:00:41-07:00 List-Id: > You really need to understand the rules: "assume the best" in generic > specifications, "assume the worse" in generic bodies. Thanks Jean-Pierre, I have been using generics for a long time (and I like them and find them useful). I must say I never saw such a simple explanation of why a generic might compile and yet an instantiation might fail ! Emmanuel