From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by yquem.inria.fr (Postfix) with ESMTP id D4691BBB7 for ; Tue, 25 Jul 2006 17:20:39 +0200 (CEST) Received: from pauillac.inria.fr (pauillac.inria.fr [128.93.11.35]) by nez-perce.inria.fr (8.13.6/8.13.6) with ESMTP id k6PFKdjw004260 for ; Tue, 25 Jul 2006 17:20:39 +0200 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 RAA18115 for ; Tue, 25 Jul 2006 17:20:38 +0200 (MET DST) Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.189]) by nez-perce.inria.fr (8.13.6/8.13.6) with ESMTP id k6PFKbAN004254 for ; Tue, 25 Jul 2006 17:20:38 +0200 Received: by nf-out-0910.google.com with SMTP id y38so243832nfb for ; Tue, 25 Jul 2006 08:20:37 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:references; b=EOvUlCrS5fDI/3bL3H84HfdEOZ34pT52lPjYYY2kLtQoTRrCSzwNJ4dCX8jz1206bRWkK4uahwZ6mvSu9Y9VpbjWnTDDImApaMCG7qMTlJBBceZBrwgQ0XULbBMawvizVcrHYbtjvt+8F8QVE6Ocdk40MQpBSGEgEVOpjJW8yWM= Received: by 10.48.42.1 with SMTP id p1mr797195nfp; Tue, 25 Jul 2006 08:20:37 -0700 (PDT) Received: by 10.49.35.19 with HTTP; Tue, 25 Jul 2006 08:20:37 -0700 (PDT) Message-ID: Date: Tue, 25 Jul 2006 17:20:37 +0200 From: Tom To: caml-list Subject: Re: [Caml-list] generic Hashtbl.to_array In-Reply-To: <26EB47FDD566A7469FC862DAF373792F017112AD@kaiserslautern1.lmsintl.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_201666_21021211.1153840837695" References: <26EB47FDD566A7469FC862DAF373792F017112AD@kaiserslautern1.lmsintl.com> X-j-chkmail-Score: MSGID : 44C636C6.000 on nez-perce : j-chkmail score : X : 0/20 1 X-Miltered: at nez-perce with ID 44C636C7.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Miltered: at nez-perce with ID 44C636C6.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; hashtbl:01 hashtbl:01 caml-list:01 let:03 let:03 fold:06 fold:06 generic:08 fun:08 fun:08 ignore:10 ignore:10 magic:10 magic:10 obj:11 X-Attachments: cset="UTF-8" cset="UTF-8" X-Spam-Checker-Version: SpamAssassin 3.0.3 (2005-04-27) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_BY_IP autolearn=disabled version=3.0.3 ------=_Part_201666_21021211.1153840837695 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline The dirtiest solution: let to_array t = let a = Array.make (Hashtbl.length t) (Obj.magic 0) in ignore (Hashtbl.fold (fun k v i -> a.(i) <- (k, v); i + 1) t 0) ; a ------=_Part_201666_21021211.1153840837695 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline
The dirtiest solution:

let to_array t =
 let a =  Array.make (Hashtbl.length t) (Obj.magic 0)  in
   ignore
     (Hashtbl.fold (fun k v i -> a.(i) <- (k, v); i + 1) t 0) ;
     a
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