From: "Martin Dowie" <martin.dowie@nospam.baesystems.com>
Subject: Re: C-style 'union' in Ada?
Date: Tue, 14 Aug 2001 12:49:19 +0100
Date: 2001-08-14T12:49:19+01:00 [thread overview]
Message-ID: <3b790efb@pull.gecm.com> (raw)
In-Reply-To: umqsnev3rqb.fsf@maestro.clustra.com
Ole-Hjalmar Kristensen <ohk@clustra.com> wrote in message
news:umqsnev3rqb.fsf@maestro.clustra.com...
> "Martin Dowie" <martin.dowie@nospam.baesystems.com> writes:
>
> > The trick (if you could call it that!) is to include a default value
> > for the discriminant in the type definition. You can then change its
> > value at will. If you don't have a default then you have to contraint
> > the object when you declare it - which then fixes it to that value.
>
> Yes, but you can only change it with a whole record assignment.
of course - and I think this is what the OP wanted
next prev parent reply other threads:[~2001-08-14 11:49 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-13 6:06 C-style 'union' in Ada? Brian Catlin
2001-08-13 7:34 ` tmoran
2001-08-14 3:09 ` DuckE
2001-08-14 3:49 ` Brian Catlin
2001-08-14 7:37 ` Martin Dowie
2001-08-14 9:39 ` Ole-Hjalmar Kristensen
2001-08-14 11:49 ` Martin Dowie [this message]
2001-08-14 13:38 ` Ted Dennison
2001-08-16 22:35 ` David Brown
2001-08-17 3:14 ` Brian Catlin
2001-08-17 14:44 ` Ted Dennison
2001-08-17 16:38 ` Jeffrey Carter
2001-08-17 18:17 ` Ted Dennison
2001-08-17 18:45 ` Samuel T. Harris
2001-08-17 3:18 ` Variable sizes for record fields (was: C-style 'union' in Ada) Larry Kilgallen
2001-08-17 6:34 ` Variable sizes for record fields David Brown
2001-08-17 10:44 ` Larry Kilgallen
2001-08-17 19:18 ` Warren W. Gay VE3WWG
2001-08-17 21:36 ` Ken Burtch
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