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From: dennison@telepath.com
Subject: Re: pointers & OOP
Date: 1999/05/11
Message-ID: <7h9mua$91i$1@nnrp1.deja.com>#1/1
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In article <7h8v9l$dm4$1@wanadoo.fr>,
  "Jean-Pierre Rosen" <rosen.adalog@wanadoo.fr> wrote:
> dennison@telepath.com a �crit dans le message
> <7h7h9a$jdf$1@nnrp1.deja.com>...
> >True. But as far as I have seen you don't *need* dynamic dispatch if
> you
> >aren't using a collection. The only other use for it I can see is to
> >redispatch out of a classwide operation, but I have yet to need that.
> Is
> >there something I'm missing?
> >
> OK. A good example of a collection is an heterogenous file (thanks to
> streams). You can read the data and then dispatch to process them
> depending on their specific types. Where do you see pointers ?

Hmm. Yes, you have a point there. I would point out that it seems silly
to use streams for the sole purpose of implementing a collection, except
that I did just that a couple months ago...


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