From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id PAA32140; Thu, 16 Jan 2003 15:22:20 +0100 (MET) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id PAA31672 for ; Thu, 16 Jan 2003 15:22:19 +0100 (MET) Received: from ns.mccme.ru ([195.133.68.22]) by nez-perce.inria.fr (8.11.1/8.11.1) with ESMTP id h0GEMHv11354 for ; Thu, 16 Jan 2003 15:22:18 +0100 (MET) Received: from mccme.ru (potanin@mccme.ru [195.178.198.7]) by ns.mccme.ru (8.8.5/8.8.5) with SMTP id RAA02067 for ; Thu, 16 Jan 2003 17:08:27 +0300 Date: Thu, 16 Jan 2003 17:38:40 +0300 (MSK) From: Mike Potanin To: caml-list@inria.fr Subject: Re: [Caml-list] let rec In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk On Wed, 15 Jan 2003, Vitaly Lugovsky wrote: > It's not so funny. Why I can't write it using let rec: > > let rec f (il,al,ht) = > let il2 = Array.make (n2+1) Lnil in > acopy il il2; > Array.iteri (fun i x -> il2.(all.(i)) <- x) al; > xprs (il2,anul,ht) > and xprs = > (Hashtbl.replace ht name (CTfun(f)); > compile_exprs env2 exprs) in > f > > Sure, let rec construction should be much less restrictive. The similar problem arises in a case let ring l = let rec r = l@r in r OCaml type system can not understand that the design is safe. > > And, another one question: does ocaml compiler really eliminates > unused variables from the closure environment? > > ------------------- > To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr > Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ > Beginner's list: http://groups.yahoo.com/group/ocaml_beginners > ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners