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 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!eu.feeder.erje.net!feeder.erje.net!us.feeder.erje.net!news.glorb.com!peer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post01.iad.highwinds-media.com!fx21.iad.POSTED!not-for-mail From: Shark8 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:30.0) Gecko/20100101 Thunderbird/30.0a1 MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Unchecked_Union record inside an other record - trouble References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: X-Complaints-To: abuse@teranews.com NNTP-Posting-Date: Fri, 08 Aug 2014 18:52:40 UTC Organization: TeraNews.com Date: Fri, 08 Aug 2014 12:52:38 -0600 X-Received-Bytes: 1321 X-Received-Body-CRC: 858409934 Xref: news.eternal-september.org comp.lang.ada:21568 Date: 2014-08-08T12:52:38-06:00 List-Id: On 08-Aug-14 10:56, Victor Porton wrote: > > But it is a hack. How are you going to be able to tell which variant the subcomponent is though? The C union *doesn't* tag the varying part, so that information has to be kept elsewhere... or ignored completely. > I propose to change ARM not to require a discriminant in this specific case > (Unchecked_Union). No. Just no. What you propose here would import from C weak typing -- if you want weak typing, why re you using Ada?