From: Xavier Leroy <xavier.leroy@inria.fr>
To: "Yaron M. Minsky" <yminsky@CS.Cornell.EDU>
Cc: Caml List <caml-list@inria.fr>
Subject: Re: [Caml-list] Some, None and the caml-C interface
Date: Fri, 10 Jan 2003 18:17:49 +0100 [thread overview]
Message-ID: <20030110181749.A10694@pauillac.inria.fr> (raw)
In-Reply-To: <1042080881.25626.66.camel@dragonfly.localdomain>; from yminsky@CS.Cornell.EDU on Wed, Jan 08, 2003 at 09:54:44PM -0500
> I've written some simple macros for accessing options in ocaml, and I
> want to double check that they are actually right. Does this look
> right?
Yes, it is.
> And is this documented anywhere?
The general representation of sum datatypes is described in section
18.3.4 of the OCaml manual. If you "instantiate" this description to
the actual definition of type option
type 'a option = None | Some of 'a
you can derive the macros that you posted.
- Xavier Leroy
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prev parent reply other threads:[~2003-01-10 17:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-09 2:54 Yaron M. Minsky
2003-01-10 17:17 ` Xavier Leroy [this message]
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