From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on ip-172-31-91-241.ec2.internal X-Spam-Level: X-Spam-Status: No, score=0.0 required=3.0 tests=none autolearn=ham autolearn_force=no version=4.0.1 Path: nntp.eternal-september.org!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail From: Kevin Chadwick Newsgroups: comp.lang.ada Subject: Re: In precision typing we trust Date: Sun, 31 Aug 2025 08:51:29 -0000 (UTC) Organization: A noiseless patient Spider Message-ID: <10912eh$34bqp$1@dont-email.me> References: <107uv9g$3019a$1@dont-email.me> <107v1ji$303of$1@dont-email.me> <336fbb5f-a279-ea8e-67fd-f62bb00d6a89@irrt.De> <107vfb9$34cpj$1@dont-email.me> <10855lq$gj8l$1@dont-email.me> <1088h1a$19635$1@dont-email.me> <1089p1i$1ig1d$1@dont-email.me> <108aq2p$1qo9o$1@dont-email.me> <108b1r3$1sj3c$1@dont-email.me> <108dh4t$2f5h3$2@dont-email.me> <108dkik$2g20p$1@dont-email.me> <108g1cg$32gqg$2@dont-email.me> <108h6b0$3a75k$2@dont-email.me> <108iiq5$3lihe$3@dont-email.me> <108mhhk$j2jt$1@dont-email.me> <108mis1$j4cj$1@dont-email.me> <108o33p$vok4$5@dont-email.me> <108o6rp$10njb$1@dont-email.me> <108o7cm$10qct$1@dont-email.me> <108o845$10pj9$3@dont-email.me> <108oann$115to$1@dont-email.me> <108occm$11h9j$2@dont-email.me> <108p6qm$184gc$1@dont-email.me> <108r839$1osg9$2@dont-email.me> <108rrqb$1t75f$1@dont-email.me> <108rs57$1t9nv$1@dont-email.me> <108u59r$2eq9a$1@dont-email.me> <10905r6$2umau$1@dont-email.me> <1090tlv$3370l$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 31 Aug 2025 08:51:30 +0000 (UTC) Injection-Info: dont-email.me; posting-host="4460f99a1abc48f429b480f90f780880"; logging-data="3288921"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/UIRfhubkxJkxgHvElJfokChEn+YAVYfY=" User-Agent: PhoNews/3.13.3 (Android/14) Cancel-Lock: sha1:DlWt6s7DoZaLP/qXfoV3/aMb1jY= In-Reply-To: <1090tlv$3370l$1@dont-email.me> Xref: feeder.eternal-september.org comp.lang.ada:67007 List-Id: On 31/08/2025 08:30, Lawrence DOliveiro wrote: >On Sun, 31 Aug 2025 00:43:18 -0000 (UTC), Kevin Chadwick wrote: > >>> Something like the following? (Details of the BitVector class >>> omitted, but I can supply them if you’re interested): >>> >> I'm surprised Python can do some of what you have shown but it's a long way >> from what would be required. > >What’s missing? Complete size controls and things like vomatile_full_access and proper type protections (though Python/C users might be quite happy with the ability to slice between completely different registers that could be dangerous and breaks separation of concerns). https://learn.adacore.com/courses/intro-to-embedded-sys-prog/chapters/low_level_programming.html#separation-principle -- Regards, Kc