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From: Maciej Sobczak <see.my.homepage@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: using an Ada.Container as a private type
Date: Thu, 3 Apr 2008 13:41:10 -0700 (PDT)
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Date: 2008-04-03T13:41:10-07:00
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On 3 Kwi, 17:29, Graham <graham.st...@virtual-worlds.biz> wrote:

>    package Payment_Stream_Package is new Ada.Containers.Ordered_Maps(
>       Element_Type => Money,
>       Key_Type => Positive );
>
>    type Payment_Stream is new Payment_Stream_Package.Map;

Instead of a solution, I have a question:

Why do you derive from Map? Which operations of Map do you plan to
override?

Do you ever plan to pass Payment_Stream where
Payment_Stream_Package.Map'Class is expected? What effect would you
like to achieved this way?

Why derivation and not composition?

--
Maciej Sobczak * www.msobczak.com * www.inspirel.com