From: Jeremy Fincher <fincher.8@osu.edu>
To: Boris Yakobowski <Boris.Yakobowski@ens-lyon.fr>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Nested classes and types
Date: Wed, 9 Jan 2002 13:02:33 -0500 [thread overview]
Message-ID: <20020109130233.A14455@functor.resnet.ohio-state.edu> (raw)
In-Reply-To: <000201c1992d$b4f0e9f0$a7804d8c@prometheus>; from Boris.Yakobowski@ens-lyon.fr on Wed, Jan 09, 2002 at 05:50:12PM +0100
You have to use the "parameterization trick" since syntax doesn't work.
> Example :
>
> class type c_foo =
> object
> val val_foo : t_foo
> end
> and
> t_foo = Foo of c_foo
type 'a _t_foo = Foo of 'a
class type c_foo =
object
val val_foo : c_foo _t_foo
end
type t_foo = c_foo _t_foo
That'll get you a type t_foo that does what you want.
Jeremy
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next prev parent reply other threads:[~2002-01-09 18:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-09 16:50 Boris Yakobowski
2002-01-09 18:02 ` Jeremy Fincher [this message]
2002-01-09 18:25 ` Remi VANICAT
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