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,ac39a12d5faf5b14 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-04-23 12:30:44 PST Path: archiver1.google.com!news1.google.com!sn-xit-02!sn-post-02!sn-post-01!supernews.com!corp.supernews.com!not-for-mail From: "Randy Brukardt" Newsgroups: comp.lang.ada Subject: Re: Wish List : Ada95 to FOX Date: Tue, 23 Apr 2002 14:30:51 -0500 Organization: Posted via Supernews, http://www.supernews.com Message-ID: References: <3CB46975.90408@snafu.de> <5ee5b646.0204121930.64733eeb@posting.google.com> <5wTt8.15598$C21.3515342@news6-win.server.ntlworld.com> <5ee5b646.0204130620.114953ae@posting.google.com> <4519e058.0204180615.150e4bef@posting.google.com> <357f0f4aab2ac8ef39234c96f0ab6311.48257@mygate.mailgate.org> <3CC5997E.4040904@home.com> X-Newsreader: Microsoft Outlook Express 4.72.3612.1700 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3719.2500 X-Complaints-To: newsabuse@supernews.com Xref: archiver1.google.com comp.lang.ada:23007 Date: 2002-04-23T14:30:51-05:00 List-Id: Warren W. Gay VE3WWG wrote in message <3CC5997E.4040904@home.com>... Warren Gay wrote: >I like the idea of requiring a base tagged type as the client data >parameter (classwide?), which defaults to an dummy instance base >type when none is provided. To actually provide user data, the >user would derive from the base type, and pass that instead >when establishing the callback. ... It's a good idea. So good, in fact, that we use it in Claw to handle the random globs of data that Windows sends along with notifications. Since early 1997... (Rule of thumb #1: someone else has already had any good idea that you have. :-) Randy.