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: 103376,9def0a9c238c7bd8 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-02-12 08:27:36 PST Path: supernews.google.com!sn-xit-02!supernews.com!news.gv.tsc.tdk.com!newsfeed.berkeley.edu!news-hog.berkeley.edu!ucberkeley!news.maxwell.syr.edu!tank.news.pipex.net!pipex!warm.news.pipex.net!pipex!mailsvr!not-for-mail From: steve.folly@rdel.NOT-A-REAL.co.uk (Steve Folly) Newsgroups: comp.lang.ada Subject: Re: Ada 0x Wish List Date: Mon, 12 Feb 2001 16:08:52 GMT Organization: Thales Message-ID: <3a87fdef.192882630@news.rrds.co.uk> References: NNTP-Posting-Host: ntwc1138.int.rdel.co.uk X-Trace: rdel.co.uk 981994130 28938 172.21.185.71 (12 Feb 2001 16:08:50 GMT) X-Complaints-To: postmaster@uk.thalesgroup.com NNTP-Posting-Date: 12 Feb 2001 16:08:50 GMT X-Newsreader: Forte Free Agent 1.21/32.243 Xref: supernews.google.com comp.lang.ada:5176 Date: 2001-02-12T16:08:50+00:00 List-Id: Well, let's jump on the bandwagon... :-) What about a way of declaring public parts of a package spec that depend on private parts eg. package P is private type Derived_Object is new Base.Object with null record; function Overridden ( This: Derived_Object ) return Boolean; public Instance : aliased Derived_Object; end P; For the users of P, they only need to know about Instance because it may well be used in a heterogeneous collection where it's only used via the interface defined in Base. This would remind users of P that they shouldn't really be defining their own instances of Derived_Objects. Thoughts? -- SF.