From: "Basile Starynkevitch [local]" <basile.starynkevitch@inria.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] marshalling polymorphic variants
Date: Tue, 29 Jun 2004 09:55:32 +0200 [thread overview]
Message-ID: <20040629075532.GA28862@bourg.inria.fr> (raw)
In-Reply-To: <d61254fb0406281402252e92@mail.gmail.com>
On Mon, Jun 28, 2004 at 11:02:25PM +0200, henri dubois-ferriere wrote:
> in the simple case below, it is possible to marshal out a ([`A | `B]
> list), and then read it back as a [> `A | `B | `C] list.
I think that yes, because:
1. marshalling don't care about type casts (hence you can shot in
your leg if you abuse it) and is not type safe.
2. polymorphic variants are (IIRC) represented by using the hashcode
of their name, so `A is always `A in any polymorphic variant
context.
Regards.
--
Basile STARYNKEVITCH -- basile dot starynkevitch at inria dot fr
Project cristal.inria.fr - (temporarily)
http://cristal.inria.fr/~starynke --- all opinions are only mine
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next prev parent reply other threads:[~2004-06-29 7:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-28 21:02 henri dubois-ferriere
2004-06-29 7:55 ` Basile Starynkevitch [local] [this message]
2004-06-29 8:54 ` Jacques GARRIGUE
2004-06-29 8:45 ` Richard Jones
2004-06-29 17:50 ` Alex Baretta
2004-06-29 21:54 ` henri dubois-ferriere
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