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From: Colin Paul Gloster <Colin_Paul_Gloster@ACM.org>
Newsgroups: comp.lang.ada
Subject: Re: A few Ada questions
Date: Fri, 24 Jul 2009 15:26:05 +0000
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Date: 2009-07-24T15:26:05+00:00
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On Fri, 24 Jul 2009, Dmitry A. Kazakov wrote:

|---------------------------------------------------------------------------|
|"[..]                                                                      |
|                                                                           |
|That won't work because Ada does not have multiple dispatch (MI). When you |
|derive from the container and from the cursor then to have it polymorphic  |
|you need operations dispatching in both container and cursor. This is MI,  |
|which is absent, alas.                                                     |
|                                                                           |
|[..]"                                                                      |
|---------------------------------------------------------------------------|

The particular example give involves multiple inheritance, but in
general I do not believe that multiple inheritance is needed for
multiple dispatch (multimethods).

Regards,
Colin Paul