From: Matthew Heaney <matthewjheaney@earthlink.net>
Subject: Re: Classwide Parameter?
Date: Tue, 12 Oct 2004 02:29:41 GMT
Date: 2004-10-12T02:29:41+00:00 [thread overview]
Message-ID: <umzyseeo5.fsf@earthlink.net> (raw)
In-Reply-To: ckeelg$dkb$05$1@news.t-online.com
matthias_k <nospam@digitalraid.com> writes:
> Thanks for that answer. However, I'm still having problems (I have
> rewritten the code to be in one single package now):
>
> <snip>
> package Graphics is
>
> type Shape is abstract tagged null record;
> procedure Draw (Obj: Shape'Class);
Get rid of this operation. It's a "class-wide" operation (like a static
method in C++), and hence the operation isn't primitive for the type
(and therefore doesn't dispatch).
next prev parent reply other threads:[~2004-10-12 2:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-11 16:01 Classwide Parameter? matthias_k
2004-10-11 16:53 ` Matthew Heaney
2004-10-11 17:08 ` matthias_k
2004-10-11 19:16 ` Simon Wright
2004-10-11 22:53 ` Brian May
2004-10-12 2:29 ` Matthew Heaney [this message]
2004-10-12 8:01 ` matthias_k
2004-10-12 8:53 ` Martin Krischik
2004-10-12 13:10 ` Matthew Heaney
2004-10-12 7:59 ` Dmitry A. Kazakov
[not found] ` <ckg3h6$qau$03$1@news.t-online.com>
2004-10-12 8:14 ` matthias_k
2004-10-12 15:13 ` Dmitry A. Kazakov
2004-10-12 8:10 ` Martin Krischik
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