From: sjw <simon.j.wright@mac.com>
Subject: Re: Unconstrained Arrays
Date: Sun, 29 Mar 2009 09:24:34 -0700 (PDT)
Date: 2009-03-29T09:24:34-07:00 [thread overview]
Message-ID: <cff34a91-e045-4025-8538-3a879e82bce5@q9g2000yqc.googlegroups.com> (raw)
In-Reply-To: tc3iqg.u5c.ln@hunter.axlog.fr
On Mar 27, 9:39 am, Jean-Pierre Rosen <ro...@adalog.fr> wrote:
> sjw a écrit :
>
> > My current problem is with this ..
>
> > type Stream_Type
> > (Buffer : access Ada.Streams.Stream_Element_Array)
> > is new Ada.Streams.Root_Stream_Type with private;
> > -- Provides an in-memory Stream over the elements of Buffer.
> > --
>
> But why do you need to pass a Stream_Element_Array? Why not pass the
> size as a discriminant, and have the buffer internal to Stream_Type.
>
> If you really need to access the buffer from the outside, you could have
> a Get_Buffer function on Stream_Type that returns (your choice) the
> buffer content, or a pointer to the internal buffer.
To be useful, the pointer to the internal buffer would have to be an
'access Ada.Streams.Stream_Element_Array'. How could I create one of
these from a constrained object?
I think this idea of mine is a non-starter; I'll stick with the
current BC.Support.Memory_Streams. No point providing a library
component that no one can actually use!
next prev parent reply other threads:[~2009-03-29 16:24 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-17 0:59 Unconstrained Arrays belteshazzar
2009-03-17 1:49 ` Jeffrey R. Carter
2009-03-17 2:58 ` belteshazzar
2009-03-17 4:15 ` Jeffrey Creem
2009-03-17 5:20 ` Jeffrey R. Carter
2009-03-17 17:56 ` Jeffrey R. Carter
2009-03-17 23:10 ` belteshazzar
2009-03-18 18:31 ` Jeffrey R. Carter
2009-03-20 1:53 ` Peter C. Chapin
2009-03-20 6:45 ` sjw
2009-03-20 9:46 ` Jacob Sparre Andersen
2009-03-20 11:40 ` Jean-Pierre Rosen
2009-03-25 21:11 ` sjw
2009-03-25 22:30 ` Robert A Duff
2009-03-25 23:28 ` Randy Brukardt
2009-03-26 0:03 ` Jeffrey R. Carter
2009-03-26 1:00 ` Robert A Duff
2009-03-20 12:15 ` christoph.grein
2009-03-20 15:45 ` Adam Beneschan
2009-03-23 8:26 ` belteshazzar
2009-03-25 21:21 ` sjw
2009-03-25 22:03 ` Adam Beneschan
2009-03-26 1:32 ` tmoran
2009-03-27 8:39 ` Jean-Pierre Rosen
2009-03-27 20:07 ` sjw
2009-03-29 16:24 ` sjw [this message]
2009-03-27 11:57 ` Gautier
2009-03-17 15:33 ` Adam Beneschan
2009-03-17 23:00 ` belteshazzar
2009-03-17 20:14 ` anon
-- strict thread matches above, loose matches on Subject: below --
2001-12-11 17:17 Unconstrained arrays Michael Unverzagt
2001-12-11 18:22 ` Stephen Leake
2001-12-11 18:24 ` Mark Lundquist
1993-08-15 5:01 Alex Blakemore
1993-08-13 21:08 J. Craig Heberle
1993-08-13 12:34 Paul Durbin
1993-08-12 21:23 Robert Dewar
1993-08-12 19:25 Wes Groleau x1240 C73-8
1993-08-12 17:27 agate!howland.reston.ans.net!math.ohio-state.edu!magnus.acs.ohio-state.ed
1993-08-12 16:26 Mark A Biggar
1993-08-12 16:00 Dave Collar d x7468
1993-08-12 15:28 Robert I. Eachus
1993-08-12 15:00 Robert Dewar
1993-08-12 13:03 Raymond Blaak
1993-08-12 12:14 cis.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!howland.
1993-08-12 12:03 cis.ohio-state.edu!pacific.mps.ohio-state.edu!math.ohio-state.edu!magnus.
1993-08-11 23:42 Kenneth Anderson
1993-08-11 23:40 cis.ohio-state.edu!math.ohio-state.edu!cs.utexas.edu!swrinde!menudo.uh.ed
1993-08-11 22:29 Kenneth Anderson
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