From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Subject: Re: Extending discriminant types
Date: Fri, 21 Nov 2008 03:54:13 -0800 (PST)
Date: 2008-11-21T03:54:13-08:00 [thread overview]
Message-ID: <e26c37da-205d-4f81-9eeb-1ac8dd8cb3e4@13g2000yql.googlegroups.com> (raw)
In-Reply-To: Y_lVk.36086$_Y1.12080@bgtnsc05-news.ops.worldnet.att.net
On Nov 21, 12:01 am, a...@anon.org (anon) wrote:
> -- Compiles and Runs using GNAT 3.15p
> --
> -- This works in Ada 95 compilers because all types including a tag type
> -- has a discriminant value of at least 2 aka itself and Null. And that
> -- suggest that ALL types have a constraint of at least two.
> procedure V is
> type Point is tagged record
> X : Float := 0.0 ;
> Y : Float := 0.0 ;
> end record ;
> type Point_Acesss is access all Point'Class ;
> type D is new Point with record
> Z : Float := 0.0 ;
> end record ;
> type E is new D with null record;
> Var : Point_Acesss ;
> begin -- V
> Var := new E'Base ;
> end V ;
This compiles and runs with GNAT 3.15p only because GNAT 3.15p has a
bug.
--
Ludovic Brenta.
next prev parent reply other threads:[~2008-11-21 11:54 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-15 9:16 Extending discriminant types Stefan Bellon
2008-11-15 18:50 ` Jeffrey R. Carter
2008-11-17 16:30 ` Adam Beneschan
2008-11-18 11:02 ` christoph.grein
2008-11-18 23:24 ` Adam Beneschan
2008-11-19 9:49 ` anon
2008-11-19 10:15 ` christoph.grein
2008-11-19 19:19 ` Georg Bauhaus
2008-11-19 11:38 ` Martin
2008-11-20 7:21 ` anon
2008-11-20 8:30 ` christoph.grein
2008-11-20 8:36 ` Ludovic Brenta
2008-11-20 11:45 ` Georg Bauhaus
2008-11-20 11:46 ` Georg Bauhaus
2008-11-20 23:01 ` anon
2008-11-21 11:54 ` Ludovic Brenta [this message]
2008-11-20 14:03 ` Dmitry A. Kazakov
2008-11-20 15:03 ` Robert A Duff
2008-11-20 15:57 ` Stefan Bellon
2008-11-21 0:32 ` Adam Beneschan
2008-11-20 16:11 ` Adam Beneschan
2008-11-20 22:59 ` anon
2008-11-21 0:29 ` Adam Beneschan
2008-11-21 7:25 ` anon
2008-11-21 9:19 ` Jean-Pierre Rosen
2008-11-21 10:11 ` christoph.grein
2008-11-21 12:00 ` Ludovic Brenta
2008-11-21 22:31 ` anon
2008-11-22 0:18 ` Stefan Bellon
2008-11-23 4:06 ` anon
2008-11-23 5:39 ` Georg Bauhaus
2008-11-23 8:00 ` anon
2008-11-24 10:08 ` Georg Bauhaus
2008-11-24 22:16 ` anon
2008-11-25 10:37 ` Martin
2008-11-25 11:24 ` Georg Bauhaus
2008-11-25 20:49 ` Jeffrey R. Carter
2008-11-25 21:01 ` Adam Beneschan
2008-11-25 22:09 ` Georg Bauhaus
2008-11-25 22:33 ` Jeffrey R. Carter
2008-11-26 0:58 ` Adam Beneschan
2008-11-26 1:45 ` Jeffrey R. Carter
2008-11-26 9:31 ` Martin
2008-11-26 9:38 ` Stefan Bellon
2008-11-26 9:48 ` Martin
2008-11-26 10:16 ` Stefan Bellon
2008-11-26 11:05 ` Ludovic Brenta
2008-11-26 11:33 ` Stefan Bellon
2008-11-26 15:49 ` Adam Beneschan
2008-11-26 16:15 ` Ludovic Brenta
2008-11-26 11:10 ` Niklas Holsti
2008-11-23 8:48 ` Compiler quality (was: Extending discriminant types) Ludovic Brenta
2008-11-24 23:33 ` anon
2008-11-25 6:54 ` christoph.grein
2008-11-25 10:01 ` Ludovic Brenta
2008-11-26 23:34 ` anon
2008-11-27 10:24 ` Compiler quality Georg Bauhaus
2008-11-27 14:46 ` Ludovic Brenta
2008-11-28 9:13 ` Martin
2008-11-28 10:28 ` Georg Bauhaus
2008-12-02 3:51 ` Randy Brukardt
2008-11-22 13:10 ` Extending discriminant types Gautier
2008-11-24 8:24 ` christoph.grein
2008-11-21 6:11 ` christoph.grein
2008-11-21 21:12 ` Jeffrey R. Carter
2008-11-22 16:41 ` sjw
2008-11-21 11:44 ` Martin
2008-11-20 9:55 ` Martin
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox