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=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,76ec5d55630beb71 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-06-02 15:59:14 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!bloom-beacon.mit.edu!news-out.cwix.com!newsfeed.cwix.com!news.binc.net!kilgallen From: Kilgallen@SpamCop.net (Larry Kilgallen) Newsgroups: comp.lang.ada Subject: Re: Ada 200X Date: 2 Jun 2003 17:59:12 -0500 Organization: LJK Software Message-ID: <3OSS+0MB47qL@eisner.encompasserve.org> References: <3EDAD07A.3010200@attbi.com> <3EDB5DBE.4070807@attbi.com> <3EDBBC18.6080103@attbi.com> NNTP-Posting-Host: eisner.encompasserve.org X-Trace: grandcanyon.binc.net 1054594726 19624 192.135.80.34 (2 Jun 2003 22:58:46 GMT) X-Complaints-To: abuse@binc.net NNTP-Posting-Date: Mon, 2 Jun 2003 22:58:46 +0000 (UTC) Xref: archiver1.google.com comp.lang.ada:38409 Date: 2003-06-02T17:59:12-05:00 List-Id: In article <3EDBBC18.6080103@attbi.com>, "Robert I. Eachus" writes: > Ada tagged type derivation trees tend to come in two flavors. The first > is one parent with a lot of children. (A bush.) The class rooted at > Controlled is like this. > > The other common type of Ada derivation tree is a pole. You have a > sequence of generic instantiations in the private part of a package > declaration, each instantiation creating a new mixin. Presuming your survey is accurate, what basis is there to think this would persist if Ada were widely used in a greater variety of domains ?