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 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail From: "Michael B." Newsgroups: comp.lang.ada Subject: Re: Tagged type abuse Date: Sat, 20 Dec 2014 13:39:41 +0100 Organization: Aioe.org NNTP Server Message-ID: References: NNTP-Posting-Host: Aag5/mrN/DvpVQUg/xJ9kg.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.3.0 X-Notice: Filtered by postfilter v. 0.8.2 Xref: news.eternal-september.org comp.lang.ada:24175 Date: 2014-12-20T13:39:41+01:00 List-Id: Sounds like a reasonable change. Thanks for clarifying. Regards, Michael On 12/20/14 01:07, Randy Brukardt wrote: > In Ada 83-2005, untagged record types compose using a reimergence of > predefined "=" (the user-defined "=" is ignored in that case). That was not > changed in Ada 95 because of compatibility concerns. But the problem wasn't > going away, and having an aspect to do the right thing made no sense and > having an aspect to do the wrong thing helps no-one (the code would have to > be modified, but if you can do that, you might as well fix it). So we just > changed it. We think that 99% of the time, people would rather have the > user-defined "=" used (why else would you have defined it?)