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[Caml-list] Questions about types and objects
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Date: 2004-02-03 (09:32)
From: Richard Jones <rich@a...>
Subject: Re: [Caml-list] Questions about types and objects
On Tue, Feb 03, 2004 at 12:07:31PM +1000, Richard Cole wrote:
> From an expression:
>      diagram#make_from_hasse lattice;

You need to upcast it.  I've never really understood why this is

diagram#make_from_hasse (lattice :> abstract_hasse_diagram);


Richard Jones.
Merjis Ltd. - improving website return on investment
Perl4Caml lets you use any Perl library in your type-safe Objective
CAML programs.

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