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From: Maciej Sobczak <see.my.homepage@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada requires too much typing!
Date: Mon, 7 Jun 2010 01:13:39 -0700 (PDT)
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On 6 Cze, 10:55, "Martin Krischik" <krisc...@users.sourceforge.net>
wrote:

> > Some people still think this is still a better trade-off over C++ style=
d
> > multiple inheritance because of the dreaded "diamond" problem.
>
> which is easily solved by marking classes virtual. One should just make a=
 =A0
> habit of defining classes like this:
>
> virtual Base
> =A0 =A0{
> =A0 =A0public:
> =A0 =A0 =A0virtual ~Base ()
> =A0 =A0 =A0 =A0{
> =A0 =A0 =A0 =A0=85
> =A0 =A0 =A0 =A0}
> =A0 =A0}

That will not work. Not just because it is invalid syntax, but because
"virtualness" is a property of the relation between classes, not the
property of any particular class.

> And suddenly all your virtual inheritance needs work flawlessly. There ar=
e =A0
> just too many C++ programmers out there who do not know that.

Not really, see my answer to your other post.

--
Maciej Sobczak * http://www.inspirel.com

YAMI4 - Messaging Solution for Distributed Systems
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