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-Thread: 103376,f93e461e8491e322 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news4.google.com!newsfeed2.dallas1.level3.net!news.level3.com!newsfeed-00.mathworks.com!nntp.TheWorld.com!not-for-mail From: Robert A Duff Newsgroups: comp.lang.ada Subject: Re: Limited_Controlled, orthogonality and related issues Date: Thu, 18 Jan 2007 20:01:38 -0500 Organization: The World Public Access UNIX, Brookline, MA Message-ID: References: <1169139744.717060.69070@51g2000cwl.googlegroups.com> NNTP-Posting-Host: shell01.theworld.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: pcls6.std.com 1169168498 22809 192.74.137.71 (19 Jan 2007 01:01:38 GMT) X-Complaints-To: abuse@TheWorld.com NNTP-Posting-Date: Fri, 19 Jan 2007 01:01:38 +0000 (UTC) User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (irix) Cancel-Lock: sha1:G1pzqZrzE6zNiuX+qzp/y5UU8DA= Xref: g2news2.google.com comp.lang.ada:8296 Date: 2007-01-18T20:01:38-05:00 List-Id: "Adam Beneschan" writes: > I say "almost never" because in theory, since the private part or body > of P or of a child of P (or the visible part of a private child of P) > *could* derive a type extension from the tagged type and dispatch. But > I'd guess that such usage would be rare. I think it's quite common for a child package to extend types in the parent package, and override operations. - Bob