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[Caml-list] subtyping and inheritance (bug?)
-
james woodyatt
-
Jacques Garrigue
- Eray Ozkural
-
Jacques Garrigue
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| Date: | -- (:) |
| From: | Eray Ozkural <erayo@c...> |
| Subject: | Re: [Caml-list] subtyping and inheritance (bug?) |
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 ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners