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From: Pietro Abate <Pietro.Abate@anu.edu.au>
To: ocaml ml <caml-list@inria.fr>
Subject: [Caml-list] camlp4 question...
Date: Tue, 5 Oct 2004 13:45:09 +1000	[thread overview]
Message-ID: <20041005034509.GA12748@pulp.anu.edu.au> (raw)

Hi all,

I'd like to write a small extension to transform 

let f <a;b;c> = ...

in 

let f new_id =
	match new_id with
	|[a;b;c] -> ...
	|_ -> failwith "wrong arguments"

I've tried with something like:
        expr: LEVEL "simple"
        [[
            "let"; OPT "rec"; "<"; l = LIST1 LIDENT; ">"; $list:pel$ "in" e = expr ->
                <:expr< let .... = function [] -> failwith "ffff" | $list:l$ -> $e$ >>
        ]];

but I'm stuck... In particular, how can I parse $list:pel$ ?
pel = LIST patt ?

thanks,
p

-- 
++ "All great truths begin as blasphemies." -George Bernard Shaw
++ Please avoid sending me Word or PowerPoint attachments.
   See http://www.fsf.org/philosophy/no-word-attachments.html

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             reply	other threads:[~2004-10-05  3:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-05  3:45 Pietro Abate [this message]
2004-10-05  5:38 ` Dmitry Lomov
2005-09-08  8:02 Christophe Raffalli
2005-09-08 17:41 ` [Caml-list] " Martin Jambon
2005-10-28 19:44 Camlp4 question Matt Gushee
2005-11-01 14:04 ` [Caml-list] " Hendrik Tews
2005-11-30  9:29 camlp4 question Christophe Raffalli
2005-12-01  9:13 ` [Caml-list] " Hendrik Tews

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