From: Karl Zilles <zilles@1969.ws>
To: james woodyatt <jhw@wetware.com>
Cc: Gerd Stolpmann <info@gerd-stolpmann.de>, The Trade <caml-list@inria.fr>
Subject: Re: [Caml-list] Re: findlib-0.8.1 and ocaml-3.07+beta1
Date: Thu, 24 Jul 2003 18:28:31 -0700 [thread overview]
Message-ID: <3F2087BF.5080903@1969.ws> (raw)
In-Reply-To: <CBE74969-BE36-11D7-B682-000393BA7EBA@wetware.com>
james woodyatt wrote:
> I'm specifically excited about the polymorphic
> generalization of covariant parts of expansive expressions.
I read about this in the changes document, but I'm unable to wrap my
head around it.
> For instance, if f: unit -> 'a list, "let x = f ()"
> gives "x" the generalized type forall 'a. 'a list, instead of '_a list
> as before.
Can someone simplify this for me? Under what circumstances would this
be useful?
Karl
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next prev parent reply other threads:[~2003-07-25 1:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1059053910.4721.22.camel@athene>
2003-07-25 0:27 ` james woodyatt
2003-07-25 1:28 ` Karl Zilles [this message]
2003-07-25 1:52 ` james woodyatt
2003-07-25 16:27 ` pjd
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