From: Eray Ozkural <erayo@cs.bilkent.edu.tr>
To: Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp>, jhw@wetware.com
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] subtyping and inheritance (bug?)
Date: Tue, 25 Jun 2002 15:22:28 +0300 [thread overview]
Message-ID: <200206251522.28391.erayo@cs.bilkent.edu.tr> (raw)
In-Reply-To: <20020625115430E.garrigue@kurims.kyoto-u.ac.jp>
On Tuesday 25 June 2002 05:54, Jacques Garrigue wrote:
> From: james woodyatt <jhw@wetware.com>
>
> Sure. The children_set method contains a contravariant occurence of 'self.
> It cannot be compatible with its subclasses. You don't need to have
> mutable data to have variance incompatibilities.
> No bug, business as usual.
Which programming style would express the intended semantics, then? I guess we
would need a slightly different formulation.
Thanks,
--
Eray Ozkural <erayo@bilkent.edu.tr>
Comp. Sci. Dept., Bilkent University, Ankara
www: http://www.cs.bilkent.edu.tr/~erayo
GPG public key fingerprint: 360C 852F 88B0 A745 F31B EA0F 7C07 AE16 874D 539C
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next prev parent reply other threads:[~2002-06-25 12:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-25 2:46 james woodyatt
2002-06-25 2:54 ` Jacques Garrigue
2002-06-25 12:22 ` Eray Ozkural [this message]
2002-06-25 21:33 ` Brian Rogoff
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