From: "Alexander S. Usov" <A.S.Usov@KVI.nl>
To: Michael Vanier <mvanier@cs.caltech.edu>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] extensible records?
Date: Fri, 27 Feb 2004 12:17:41 +0100 [thread overview]
Message-ID: <200402271136.37410.A.S.Usov@kvi.nl> (raw)
In-Reply-To: <20040227004557.C85CE9BBA2@orchestra.cs.caltech.edu>
On Friday 27 February 2004 01:45, you wrote:
> Hi everyone!
>
> I'm having a problem figuring out how to implement something in ocaml, and
> I'd like to solicit advice. I'm writing a little dynamically-typed
> language in ocaml, and I want to be able to add new types to the language
> without having to add new primitive types to the system. So, for instance,
> my basic type definition looks something like this:
>
> type data =
> Int of int
>
> | Float of float
> | ...
>
> Mike
I am not hundred percent sure, but you can use parametrized definition.
Like this:
type 'a data =
Int of int
| Float of float
| .....
| Extension of 'a ;;
--
Best regards,
Alexander.
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prev parent reply other threads:[~2004-02-27 11:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-27 0:45 Michael Vanier
2004-02-27 1:04 ` Kenneth Knowles
2004-02-27 8:39 ` Aleksey Nogin
2004-02-27 8:39 ` Nicolas Cannasse
2004-02-27 11:17 ` Alexander S. Usov [this message]
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