From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.1.3 Received: from mail4-relais-sop.national.inria.fr (mail4-relais-sop.national.inria.fr [192.134.164.105]) by yquem.inria.fr (Postfix) with ESMTP id 7AB8DBBCA for ; Fri, 4 Apr 2008 17:45:24 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApoEAJ/p9UeCNhAB/2dsb2JhbACsDQ X-IronPort-AV: E=Sophos;i="4.25,605,1199660400"; d="scan'208";a="24610289" Received: from kurims.kurims.kyoto-u.ac.jp ([130.54.16.1]) by mail4-smtp-sop.national.inria.fr with ESMTP; 04 Apr 2008 17:45:21 +0200 Received: from localhost (orion [130.54.16.5]) by kurims.kurims.kyoto-u.ac.jp (8.13.8/8.13.8) with ESMTP id m34FjHjT014008 for ; Sat, 5 Apr 2008 00:45:17 +0900 (JST) Date: Sat, 05 Apr 2008 00:45:16 +0900 (JST) Message-Id: <20080405.004516.46634800.keiko@kurims.kyoto-u.ac.jp> To: caml-list@yquem.inria.fr Subject: Re: [Caml-list] recursive modules: Cannot safely evaluate the definition From: Keiko Nakata In-Reply-To: References: <20080404.180015.125124978.keiko@kurims.kyoto-u.ac.jp> <47F622A5.9060707@lri.fr> X-Mailer: Mew version 4.2 on Emacs 20.7 / Mule 4.1 (AOI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam: no; 0.00; recursive:01 functors:01 recursive:01 ocaml:01 functor:01 sig:01 sig:01 val:01 functor:01 struct:01 val:01 wrote:01 rec:01 caml-list:01 int:01 Thank you for the correction and citation. > Keiko Nakata wrote: > > I think that functors cannot be recursive in the current OCaml. Yes, I was incorrect. We have: module rec F: functor (X:sig end) -> sig val f : int -> int end = functor(X:sig end) -> struct let f x = if x = 0 then 0 else M.f (x-1) end and M : sig val f: int -> int end = F(M) This should imply interesting examples are available. Best, Keiko