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=-1.2 required=5.0 tests=BAYES_00,FREEMAIL_FROM, FROM_STARTS_WITH_NUMS autolearn=no autolearn_force=no version=3.4.4 X-Received: by 10.36.74.5 with SMTP id k5mr7770520itb.30.1516897270115; Thu, 25 Jan 2018 08:21:10 -0800 (PST) X-Received: by 10.157.112.213 with SMTP id w21mr82255otj.2.1516897269852; Thu, 25 Jan 2018 08:21:09 -0800 (PST) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!border1.nntp.ams1.giganews.com!nntp.giganews.com!peer02.ams1!peer.ams1.xlned.com!news.xlned.com!peer01.am4!peer.am4.highwinds-media.com!peer03.iad!feed-me.highwinds-media.com!news.highwinds-media.com!g80no594217itg.0!news-out.google.com!b73ni64ita.0!nntp.google.com!g80no594213itg.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Thu, 25 Jan 2018 08:21:09 -0800 (PST) Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=85.247.225.223; posting-account=rhqvKAoAAABpikMmPHJSZh4400BboHwT NNTP-Posting-Host: 85.247.225.223 User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: Subject: interfaces and limited/controlled/limited-controlled types From: Mehdi Saada <00120260a@gmail.com> Injection-Date: Thu, 25 Jan 2018 16:21:10 +0000 Content-Type: text/plain; charset="UTF-8" X-Received-Body-CRC: 2201232627 X-Received-Bytes: 1392 Xref: reader02.eternal-september.org comp.lang.ada:50145 Date: 2018-01-25T08:21:09-08:00 List-Id: Is it only because of history and compatibility issues, that Limited_Controlled and Controlled aren't rewrote as interfaces ? Like: T_type is limited new Ancestor_type with Controlled or T_type is new Ancestor_type with Limited_Controlled Or is there a semantic issue too ?