From: skaller <skaller@users.sourceforge.net>
To: John Prevost <j.prevost@gmail.com>
Cc: caml-list <caml-list@inria.fr>
Subject: Re: [Caml-list] Narrowing class's public interface
Date: 13 Oct 2004 17:34:59 +1000 [thread overview]
Message-ID: <1097652898.19740.198.camel@pelican.wigram> (raw)
In-Reply-To: <d849ad2a0410122339ec207d3@mail.gmail.com>
On Wed, 2004-10-13 at 16:39, John Prevost wrote:
> On 13 Oct 2004 12:27:07 +1000, skaller <skaller@users.sourceforge.net> wrote:
> {...}
> > Hence OO is useless as a general paradigm. {...}
> Er. You're overstating the case here.
I said OO is useless as general paradigm,
I meant that and I don't think it is overstated.
I also said objects have a limited use, where
you don't need covariant methods.
In such cases, you get dynamic (late) binding
which is indeed very useful.
--->
class type supercow = object
inherit cow
method fly : unit -> unit
end
<----
... runs out to buy steel umbrella ...
--
John Skaller, mailto:skaller@users.sf.net
voice: 061-2-9660-0850,
snail: PO BOX 401 Glebe NSW 2037 Australia
Checkout the Felix programming language http://felix.sf.net
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prev parent reply other threads:[~2004-10-13 7:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-12 22:16 Tony Edgin
2004-10-13 0:49 ` Jacques Garrigue
2004-10-13 1:43 ` John Prevost
2004-10-13 2:27 ` skaller
2004-10-13 6:39 ` John Prevost
2004-10-13 7:34 ` skaller [this message]
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