Subject: Re: Two philosophical questions about inheritance and objects.
From: rpw3@rigden.engr.sgi.com (Rob Warnock)
Date: 9 Feb 2001 11:04:17 GMT
Newsgroups: comp.lang.lisp
Message-ID: <960irh$2tpj0$1@fido.engr.sgi.com>
Russell Senior  <seniorr@aracnet.com> wrote:
+---------------
| Check out a paper by Giuseppe Castagna titled: ``Covariance and
| contravariance: conflict without a cause''.  It is available online
| somewhere...
+---------------

<URL:http://www.dmi.ens.fr/~castagna/pub.html> lists his papers,
including that one:

    G. Castagna. "Covariance and contravariance: conflict
    without a cause." ACM TOPLAS 17(3):431-447, March 1995. 
    Abstract: <URL:http://www.dmi.ens.fr/~castagna/abstr.html#cov>
    PostScript: <URL:ftp://ftp.ens.fr/pub/dmi/users/castagna/covariance.ps.Z>


-Rob

-----
Rob Warnock, 31-2-510		rpw3@sgi.com
SGI Network Engineering		<URL:http://reality.sgi.com/rpw3/>
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