From: Kyle Rawlins <rawlins@...>
Date: 2002-06-14T00:50:42+09:00
Subject: Re: Ruby for jMax


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On Thu, Jun 13, 2002 at 11:09:10PM +0900, Fran=E7ois D=E9chelle wrote:
> Another point: it looks like metaclass do not fit into standard object
> oriented languages. May be an indication that it is not the right
> concept.

I'm curious what you mean by this; could you elaborate?  I guess I'm having
trouble thinking of such a language (maybe c++, but I don't know it very we=
ll,
and it's really only standard in terms of usage).  I don't really know all
_that_ many languages but I know people here at umass who are using metacla=
sses
to transparently implement a distributed object system in java - that's not=
 to
say that it's easy, but it's doable.  Smalltalk has metaclasses (and I think
was the first language to have them), and CLOS does too.  These represent j=
ust
a few 'standard' OO languages/systems, but fairly important ones.  I don't =
know
about Eiffel.

Perhaps I misunderstood?  Possibly it just worries me because I rather like
metaclasses and think that they're a good abstraction for certain aspects o=
f OO
languages.

-kyle

--=20
http://mas.cs.umass.edu/~rawlins
--
God is god.

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