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: 103376,999932ecc319322a X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!news.glorb.com!newscon02.news.prodigy.com!newscon06.news.prodigy.com!prodigy.net!newsfeed-00.mathworks.com!nntp.TheWorld.com!not-for-mail From: Robert A Duff Newsgroups: comp.lang.ada Subject: Re: advice on package design Date: 17 Mar 2005 09:04:26 -0500 Organization: The World Public Access UNIX, Brookline, MA Message-ID: References: <1110212638.336123.298580@l41g2000cwc.googlegroups.com> <1gbk0qx2sgzpg$.sltzfssofla8$.dlg@40tude.net> <3jok3ghqqls8$.1rrsonb8jsurt$.dlg@40tude.net> <88zllqj1min5$.fqqxis9i327d$.dlg@40tude.net> <18e9a92kz25wu$.8b965bel5vef$.dlg@40tude.net> NNTP-Posting-Host: shell01-e.theworld.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: pcls4.std.com 1111068267 21243 69.38.147.31 (17 Mar 2005 14:04:27 GMT) X-Complaints-To: abuse@TheWorld.com NNTP-Posting-Date: Thu, 17 Mar 2005 14:04:27 +0000 (UTC) User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 Xref: g2news1.google.com comp.lang.ada:9544 Date: 2005-03-17T09:04:26-05:00 List-Id: "Dmitry A. Kazakov" writes: > Presently it is not explicit. Syntactically overriding is undistinguishable > from declaring a new operation. This is IMO bad. It should be sort of: > > procedure Override (X : Object) is ????; > -- Overriding intended, fails if base types have no primitive Override > procedure Override (X : Object); > -- Overloading intended, fails if it hides any other Override I think Ada 2005 has something like that. > I agree with the idea, but I think that hiding should appear in a > declarative part. Less probably it should also qualify the thing being > hidden (like renames does): I don't believe in declarative parts. I think declare/begin/end should not be required just because I want to declare a constant or something. - Bob