From: Andreas Rossberg <rossberg@ps.uni-sb.de>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] bizarre type
Date: Thu, 30 Jun 2005 19:24:20 +0200 [thread overview]
Message-ID: <42C42AC4.7080900@ps.uni-sb.de> (raw)
In-Reply-To: <Pine.LNX.4.62.0506301855120.25156@hydrogene.pps.jussieu.fr>
Julien Verlaguet wrote:
>
> But if I write :
>
> # type 'a t;;
> type 'a t
>
> # let g (x : 'a t list) (y : 'a)=();;
> val g : 'a t list -> 'a -> unit = <fun>
>
> # g ([] : int t list);;
> - : int -> unit = <fun>
>
> If I understood well what you just said the inferred type should be :
>
> '_a -> unit
In this case, t is fully abstract. So int t is only equivalent to
itself, and not to arbitrary x t.
--
Andreas Rossberg, rossberg@ps.uni-sb.de
Let's get rid of those possible thingies! -- TB
next prev parent reply other threads:[~2005-06-30 17:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-30 15:48 Julien Verlaguet
2005-06-30 16:49 ` [Caml-list] " Andreas Rossberg
2005-06-30 16:58 ` Julien Verlaguet
2005-06-30 17:16 ` Stephane Glondu
2005-06-30 17:24 ` Andreas Rossberg [this message]
2005-06-30 18:30 ` Julien Verlaguet
2005-06-30 19:37 ` Andreas Rossberg
2005-06-30 21:42 ` Julien Verlaguet
2005-06-30 23:57 ` Jacques Garrigue
2005-07-03 11:42 ` Damien Doligez
2005-07-03 12:37 ` Jacques Garrigue
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