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=unavailable autolearn_force=no version=4.0.1 Path: nntp.eternal-september.org!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: In precision typing we trust Date: Thu, 28 Aug 2025 02:07:58 +0200 Organization: A noiseless patient Spider Message-ID: <108o6ku$10c60$3@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> <108dh2l$2f5h3$1@dont-email.me> <108ej11$2mbr8$1@dont-email.me> <108g1fv$32gqg$3@dont-email.me> <108h6b7$3a75k$3@dont-email.me> <108ijfj$3lihe$4@dont-email.me> <108jqcg$3ti12$2@dont-email.me> <87cy8im3kc.fsf@nightsong.com> <108l2bt$81g3$1@dont-email.me> <108lidc$br9n$2@dont-email.me> <108mdp7$gv59$3@dont-email.me> <108o3dp$vok4$7@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 28 Aug 2025 00:07:59 +0000 (UTC) Injection-Info: dont-email.me; posting-host="6f970729dc22bef6d204ec8c3c6ab955"; logging-data="1061056"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/1MdOT0rw3Y1IPlVEPzfv03Yuv7uFS48g=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:4Ht9hQhkE3W29ljcqWAtBrJJ0gw= In-Reply-To: <108o3dp$vok4$7@dont-email.me> Content-Language: en-US Xref: feeder.eternal-september.org comp.lang.ada:66950 List-Id: On 2025-08-28 01:12, Lawrence D’Oliveiro wrote: > On Wed, 27 Aug 2025 09:57:28 +0200, Dmitry A. Kazakov wrote: > >> On 2025-08-27 02:10, Lawrence D’Oliveiro wrote: >> >>> No, it was successfully entered, >> >> And that is all one need to know. >>> >> Remember, “call” means both “transfer” to and “return from” >> (otherwise it becomes “goto”, not “call”). That was not a >> “successful call”. > >>> not successfully left. >> >> Of course it left successfully. The interpreted did not crashed! > > Python does not allow resume semantics for exceptions. Otherwise the > function would have continued executing, which it did not. It continued. The function returned Null_Object and flagged an active exception state. See https://docs.python.org/3/c-api/exceptions.html for how Python works. And no Python does not support proper zero overhead exceptions like Ada. >> Hint: You cannot define the type semantics of a function in an untyped >> language. That is just what untyped means. > > Not sure why that’s relevant, It is, because typed means in particular definite types of subprogram arguments and results. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de