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-Received: by 2002:a6b:c3c5:: with SMTP id t188-v6mr2522205iof.65.1529770492513; Sat, 23 Jun 2018 09:14:52 -0700 (PDT) X-Received: by 2002:aca:ed52:: with SMTP id l79-v6mr181617oih.4.1529770492377; Sat, 23 Jun 2018 09:14:52 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!news.uzoreto.com!weretis.net!feeder6.news.weretis.net!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!u78-v6no1898924itb.0!news-out.google.com!c20-v6ni1283itc.0!nntp.google.com!d7-v6no1911704itj.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Sat, 23 Jun 2018 09:14:52 -0700 (PDT) In-Reply-To: <2d617160-ac33-40e6-a06a-97cc0b53062d@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=76.113.16.86; posting-account=lJ3JNwoAAAAQfH3VV9vttJLkThaxtTfC NNTP-Posting-Host: 76.113.16.86 References: <584564c2-9f64-4965-b045-535cdaf899c0@googlegroups.com> <7cb22c58-3009-47f0-8fe7-62f3cd61785d@googlegroups.com> <2d617160-ac33-40e6-a06a-97cc0b53062d@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <6f103699-811e-45e2-83ee-3b3606239cd8@googlegroups.com> Subject: Re: Why are Ada compilers difficult to write ? From: Shark8 Injection-Date: Sat, 23 Jun 2018 16:14:52 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Xref: reader02.eternal-september.org comp.lang.ada:53270 Date: 2018-06-23T09:14:52-07:00 List-Id: On Saturday, June 23, 2018 at 6:44:41 AM UTC-6, Dan'l Miller wrote: > On Saturday, June 23, 2018 at 12:56:43 AM UTC-5, J-P. Rosen wrote: > > Le 22/06/2018 =C3=A0 18:10, Simon Clubley a =C3=A9crit=C2=A0: > > > 3.10.2 (according to Randy) > > >=20 > > > Personally, I don't think it's something to be proud of however. > > >=20 > > > When a language is used in the critical environments that Ada is used= in, > > > it shouldn't have anything in it which is that difficult to understan= d. > >=20 > > Well, it is an attempt at making pointers safer, and this is inherently > > difficult. Other languages didn't even try... >=20 > Except Rust nowadays, and hopefully Ada2020 will catch up SPARK is better than Rust in terms of safety/reliability; there was a [poss= ible] proposed extension to SPARK to allow access-types in certain, control= led conditions that was shown to the ARG. (They asked that we not promulgat= e it, I think because they wanted to publish/present it for their academic = career.)