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From: "Matthew Heaney" <mheaney@on2.com>
Subject: Re: OO in Ada
Date: Mon, 7 Oct 2002 10:10:27 -0400
Date: 2002-10-07T10:10:27-04:00	[thread overview]
Message-ID: <uq35eldljbpcc@corp.supernews.com> (raw)
In-Reply-To: JVrn9.40015$FO4.9224@sccrnsc03


"SteveD" <nospam_steved94@attbi.com> wrote in message
news:JVrn9.40015$FO4.9224@sccrnsc03...
>
> In C++ there is a hidden "this" pointer quietly hiding in the background
> that you must be very much aware of (if you're doing any serious
> programming).  In Ada this is an explicit variable passed into the
> procedure.

This is also true in Ada, wrt passing unconstrained arrays:

procedure Op (S : String) is

You're actually passing a descriptor on the stack, which contains info about
the string's length and index range.  So here there is "hidden" information
being passed too, not unlike an implicit this-ptr in C++.












  parent reply	other threads:[~2002-10-07 14:10 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-04  2:14 OO in Ada Rick Duley
2002-10-04  2:55 ` Jim Rogers
2002-10-04 17:35   ` Hyman Rosen
2002-10-05  0:20     ` Jim Rogers
2002-10-05 23:38       ` Dmitry A.Kazakov
2002-10-05 15:25         ` Jim Rogers
2002-10-06 21:37           ` Dmitry A.Kazakov
2002-10-06  2:18       ` Hyman Rosen
2002-10-06  3:00         ` Jim Rogers
2002-10-08 21:08           ` Gisle Sælensminde
2002-10-04  3:37 ` Chad R. Meiners
2002-10-04  5:32 ` Simon Wright
2002-10-04  6:01 ` tmoran
2002-10-04 15:05 ` Matthew Heaney
2002-10-05  2:14 ` SteveD
2002-10-05  8:54   ` Preben Randhol
2002-10-07 14:10   ` Matthew Heaney [this message]
2002-10-07 19:52     ` Jeffrey Carter
2002-10-08 21:18     ` Dmitry A.Kazakov
2002-10-08  9:53 ` John McCabe
2002-10-08 15:37   ` Matthew Heaney
2002-10-08 16:47     ` Georg Bauhaus
2002-10-08 17:48       ` Matthew Heaney
2002-10-08 17:16     ` Warren W. Gay VE3WWG
2002-10-08 17:58       ` Matthew Heaney
2002-10-09 16:59         ` Warren W. Gay VE3WWG
2002-10-08 10:21 ` Preben Randhol
  -- strict thread matches above, loose matches on Subject: below --
1998-05-15  0:00 Gisle S{lensminde
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