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Date: Sun, 4 Sep 2005 21:43:09 +0200
From: Lukasz Stafiniak <lukstafi@gmail.com>
To: caml users <caml-list@inria.fr>
Subject: Existential types
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	version=3.0.3

Hi!

I use an abstract type and a one-way typecast operator to implement
existential quantification; e. g.

type 'a t
type unknown_t
let some (v : 'a t) =3D ((Obj.magic v) : unknown_t t)

Good?

Best Regards,
Lukasz