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From: Matthew Heaney <matthew_heaney@acm.org>
Subject: ANNOUNCE: Visitor Pattern Posted
Date: 1998/11/26
Message-ID: <m3vhk2ajhf.fsf@mheaney.ni.net>#1/1
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Sender: matt@mheaney.ni.net
NNTP-Posting-Date: Thu, 26 Nov 1998 01:30:43 PDT
Newsgroups: comp.lang.ada
Date: 1998-11-26T00:00:00+00:00
List-Id: <comp.lang.ada>

I just posted, to the Patterns list at the ACM, another example of how
to implement the Visitor pattern in Ada95.  The example also explores
some memory management techniques, including a dispatching deallocator.

You can reach the patterns archive by following the links:

<http://www.acm.org/>  --> 
   Search --> 
      Search ACM's LISTSERV Archives  -->
         Patterns -->
           November 1998

Unfortunately, I haven't set up my mailer correctly, so the example I
posted doesn't have a subject.  Just look on the November 1998 page, and
you'll see it.

You can subscribe to the patterns list at ACM by sending the message
body:

subscribe patterns <your full name goes here>

to the address <mailto:listserv@acm.org>.

I've been converting the examples in the GoF book to Ada95, and I gave a
brief presentation to the Patterns WG during the SIGAda conference a
couple of weeks ago.  This is some of the material I prepared for that
meeting.  

Matt