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From: dmitry@elros.cbb-automation.de (Dmitry A. Kazakov)
Newsgroups: comp.lang.ada,comp.object
Subject: Re: Merits of re-dispatching [LONG]
Date: Fri, 08 Feb 2002 08:56:49 GMT
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Date: 2002-02-08T08:56:49+00:00
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On Thu, 07 Feb 2002 23:40:42 GMT, nickroberts@ukf.net (Nick Roberts)
wrote:

>On Thu, 07 Feb 2002 10:26:00 GMT, dmitry@elros.cbb-automation.de (Dmitry A.
>Kazakov) wrote:
>
>>Hi!
>>
>>C++ and Ada 95 support re-dispatching, which I think is inherently
>>unsafe. Consider the following:
>>
>>type A is new Ada.Finalization.Limited_Controlled with ...
>>procedure Foo  (Object : A);
>>procedure Finalize (Object : in out A) ;
>>
>>Now let AA derived from A override Foo and Finalize:
>>
>>type AA is new A with record
>>   ... -- Some components, which may use components of A
>>end record;
>
>What do you mean "which may use components of A"?

It was a bad wording , I admit. Should be "some components, which may
depend on components of A".

Regards,
Dmitry Kazakov