From: tmoran@acm.org
Subject: Re: tagged record child: override constructor?
Date: Tue, 13 Sep 2005 02:56:02 -0500
Date: 2005-09-13T02:56:02-05:00 [thread overview]
Message-ID: <5OWdnSyaUoWPG7veRVn-qQ@comcast.com> (raw)
In-Reply-To: 1uri5gd2n7om0.1ujkzb26ayxdx.dlg@40tude.net
> type X is tagged private;
> -- Publicly tagged to have an ability to declare class-wides
> function Create (...) return X'Class;
If you then have
type Y is new X ...
then function Create will of course still return an X, not a Y unless
you make a new Create that knows how to return a Y.
> constructor function which returns an instance. I do this to enforce
> the assignment of several required fields in the record, so if you know
> how to do this another way, please let me know!
Make X a child of Ada.Finalization.Controlled (as suggested)
and writing an Initialize doesn't work? Or can you simply make those
required fields discriminants?
type X(Required_A, Required_B : Integer) is ...
next prev parent reply other threads:[~2005-09-13 7:56 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-13 5:58 tagged record child: override constructor? sean.gilbertson
2005-09-13 6:39 ` David Trudgett
2005-09-13 7:32 ` Dmitry A. Kazakov
2005-09-13 7:56 ` tmoran [this message]
2005-09-13 15:23 ` sean.gilbertson
2005-09-13 17:37 ` Martin Krischik
2005-09-13 19:29 ` Ludovic Brenta
2005-09-14 7:49 ` Dmitry A. Kazakov
2005-09-14 9:05 ` Maciej Sobczak
2005-09-14 13:20 ` Dmitry A. Kazakov
2005-09-14 13:52 ` Hyman Rosen
2005-09-14 16:47 ` Dmitry A. Kazakov
2005-09-14 17:16 ` Hyman Rosen
2005-09-14 20:20 ` Dmitry A. Kazakov
2005-09-14 20:34 ` Georg Bauhaus
2005-09-14 20:56 ` Hyman Rosen
2005-09-15 7:31 ` Dmitry A. Kazakov
2005-09-15 13:19 ` Hyman Rosen
2005-09-15 13:45 ` Maciej Sobczak
2005-09-15 17:45 ` Dmitry A. Kazakov
2005-09-15 18:54 ` Hyman Rosen
2005-09-16 9:32 ` Dmitry A. Kazakov
2005-09-16 14:52 ` Hyman Rosen
2005-09-16 15:33 ` Jean-Pierre Rosen
2005-09-16 18:37 ` Hyman Rosen
2005-09-16 21:03 ` Dmitry A. Kazakov
2005-09-16 21:33 ` Hyman Rosen
[not found] ` <98ox2x9xvj9z.1uh92dslhvt4g.dlg@40tude.net>
2005-09-17 12:47 ` Georg Bauhaus
2005-09-17 15:56 ` Dmitry A. Kazakov
2005-09-14 16:14 ` Martin Krischik
2005-09-14 16:57 ` Dmitry A. Kazakov
2005-09-14 18:35 ` Martin Krischik
2005-09-14 9:28 ` Alex R. Mosteo
2005-09-14 16:10 ` Martin Krischik
2005-09-13 9:33 ` Georg Bauhaus
2005-09-13 16:37 ` Jeffrey Carter
2005-09-13 18:55 ` Robert A Duff
2005-09-13 22:18 ` Jeffrey Carter
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