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[Caml-list] Possible to use optional args in external (C) calls?
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Date: -- (:)
From: Eric C. Cooper <ecc@c...>
Subject: Re: [Caml-list] Possible to use optional args in external (C) calls?
On Sat, Oct 11, 2003 at 02:26:28PM +0100, Richard Jones wrote:
> Is it possible to use optional or any labelled args in calls to C
> code? I assume that optional args are passed as 'argtype option',
> but what order do they appear to the C?

The compiler accepts "external" declarations with labelled and
optional parameters, and a little experimentation with "ocaml
-dlambda" shows that the external function is called with the
arguments in the order specified by the "external" declaration.

-- 
Eric C. Cooper          e c c @ c m u . e d u

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