From: David Monniaux <David.Monniaux@ens.fr>
To: coq-club@pauillac.inria.fr, caml-list <caml-list@yquem.inria.fr>
Subject: camlp4 rewrites
Date: Thu, 24 Feb 2005 21:37:00 +0100 [thread overview]
Message-ID: <421E3AEC.2080200@ens.fr> (raw)
I'm currently playing with Coq and extraction, and I'm having the
following problems:
* Since the list constructor of standard OCaml (infix ::) is not (yet)
usable as a prefix ( :: ), I cannot just tell Coq to extract lists to
OCaml lists. (Future OCaml versions will allow prefix ( :: ), I'm told.)
* OCaml compiles match e with true -> x1 | false -> x2 less efficiently
than if e then x1 else x2 (bug report filed, but not fixed so far).
Unless I'm greatly mistaken, this can be fixed by a mere syntactic
transformation using Camlp4. I suppose I'm not the first person to have
encountered these problems... So has anybody done the necessary Camlp4
scripts? :-)
next reply other threads:[~2005-02-24 20:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-24 20:37 David Monniaux [this message]
2005-02-24 21:45 ` [Coq-Club] " Pierre Letouzey
2005-02-24 22:23 ` [Caml-list] " Martin Jambon
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