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Date: Fri, 26 Nov 2004 00:24:15 +0100
From: Adrien Plisson <aplisson-news@stochastique.net>
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Subject: Re: Unchecked deallocation question
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 <4540106.PdnsrBBvo5@linux1.krischik.com>
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Date: 2004-11-26T00:24:15+01:00
List-Id: <comp.lang.ada>

Martin Krischik wrote:
> You should carefully thing if you really need it. Unlike C/C++ the following
> is actually valid:
> 
> declare
>     It : Root'Class := Derived'(...);
> begin
>     ...
> end;

mmmm, i don't think there is any problem doing this in C++:

class Root;
class Derived : public Root;

Root &It = Derived( ... );

it just uses a reference type which is almost the same as ada access 
type but you cannot assign null to it and cannot dereference it.

-- 
rien