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From: =?ISO-8859-1?Q?Hibou57_=28Yannick_Duch=EAne=29?=
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Newsgroups: comp.lang.ada
Subject: Re: Got warnings when overriding Initialize and Finalize
Date: Fri, 10 Jul 2009 09:12:04 -0700 (PDT)
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Date: 2009-07-10T09:12:04-07:00
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On 10 juil, 17:34, Adam Beneschan <a...@irvine.com> wrote:
> There is a case, involving *untagged* types, where overriding an
> operation in the private part can lead to some unexpected results:
>
> =A0 =A0package Pak2 is
> =A0 =A0 =A0 type T2 is new Pak1.T;
> =A0 =A0 =A0 -- inherits operation Op
> =A0 =A0private
> =A0 =A0 =A0 overriding procedure Op (X : T2);
> =A0 =A0end Pak2;
>
> Now, calling Op on an object of type T2 may give you either the
> inherited one or the overriding one, depending on whether the private
> part of Pak2 is visible at that point.
Indeed, this example is a bad practice

> It may be that the compiler,
> with this case in mind, displays a warning any time there's an
> override in the private part of a package
.... and it does not take care it is a tagged type so

Your idea of the reason why is clever