From mboxrd@z Thu Jan  1 00:00:00 1970
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From: dweller@dfw.net (David Weller)
Subject: Re: trouble with gnat generic dispatching
Date: 1996/04/10
Message-ID: <4kgmiq$3d7@dfw.dfw.net>#1/1
X-Deja-AN: 147221893
references: <316B909E.27E0@math.tau.ac.il> <dewar.829137107@schonberg>
organization: DFWNet -- Public Internet Access
newsgroups: comp.lang.ada
Date: 1996-04-10T00:00:00+00:00
List-Id: <comp.lang.ada>

In article <dewar.829137107@schonberg>, Robert Dewar <dewar@cs.nyu.edu> wrote:
>Yoav posted a large program and one problem mentioned is that controlled
>types can only be declared at the library level. THis is correct, GNAT
>is giving you a correct diagnostic. Controlled types are tagged types,
>and tagged types must be extended at the same level as their parents.
>

If everybody is patient until Friday, you'll be able to see how it
should be done, controlled types and all.  I'll have the Queues form of
the Booch Components ready for wide public beta, which covers LOTS of
tricks about doing OO programming.