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NNTP-Posting-Date: Fri, 08 Apr 2005 15:42:29 -0500
From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: Re: Some help for a C++ guy
References: <1112982557.068751.125740@o13g2000cwo.googlegroups.com>
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Date: Fri, 08 Apr 2005 15:42:30 -0500
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Xref: g2news1.google.com comp.lang.ada:10353
Date: 2005-04-08T15:42:30-05:00
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>  Handlers : Array (0..1) of Message_Handler.Handler;
> ...
>     Callbacks := Handlers(0).Num_Message_Callbacks;
  In Ada 95 you would say
      Callbacks := Num_Message_Callbacks(Handler(0));
ie, you pass the (tagged) parameter as a parameter, not as a prefix.
(The prefix form will apparently be allowed by the upcoming revision.)
  With the generic version you clearly did not have inheritance, so do
want to add it now?  You must be planning some significant architectural
changes.  Why is a Handler a tagged record rather than an untagged one?