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Message-ID: <3E8C1034.3090709@inrialpes.fr>
Date: Thu, 03 Apr 2003 12:43:00 +0200
From: Frederic Tronel <Frederic.Tronel@inrialpes.fr>
Organization: INRIA Rhone-Alpes
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To: caml-list <caml-list@inria.fr>
CC: Remi Vanicat <vanicat@labri.u-bordeaux.fr>
Subject: Re: [Caml-list] A question about Camlp4
References: <3E8BFE27.9040602@inrialpes.fr> <87znn7lxzo.dlv@wanadoo.fr>
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Remi Vanicat wrote:

> 
> there is an "hidden" loc "argument" to expr quotation, and this loc
> variable is defined in the action.
> 
> let optionToAst loc o =
> match o with
> | None -> <:expr<None>>
> | Some x -> <:expr<Some $x>>
> 
> then you could call "optionToAst loc a" and it will work...


Thank you, it does work.
Is it documented somewhere ? (I know that "loc" is used in the source 
location).


Best regards,

Frederic.




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