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From: Martin Krischik <krischik@users.sourceforge.net>
Newsgroups: comp.lang.ada
Subject: Re: Question about OO programming in Ada
Date: Mon, 08 Dec 2003 20:27:24 +0100
Organization: AdaCL
Message-ID: <3351025.PnbiN6M26i@linux1.krischik.com>
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Date: 2003-12-08T20:27:24+01:00
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Georg Bauhaus wrote:

> Chad Bremmon <bremmon@acm.org> wrote:
> : Hyman Rosen wrote:
> :> Chad Bremmon wrote:
> :> 
> :>> Not true.  A C++ Struct is the equivalent of an untagged Ada Type.
> :> 
> :> 
> :> The only difference between "struct" and "class" in C++ is that the
> :> former begins in public mode and the latter in private mode.
> : 
> : A class has a parameter associated with it that is always passed to
> : every function of that class.  You can't see it.  It's a compiler thing,
> : but it's there.
> 
> What difference does your compiler produce from the following two
> files?
> 
> testX.cc:
> 
> struct X { int a; };
> 
> testY.cc:
> 
> class Y {public: int a;};

Well, when RTTI is active the stored class names will be different ('X' and
'Y'.) ;-).

With Regards

Martin
-- 
mailto://krischik@users.sourceforge.net
http://adacl.sourceforge.net