From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@sympa.inria.fr Delivered-To: caml-list@sympa.inria.fr Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by sympa.inria.fr (Postfix) with ESMTPS id A766D7EE25 for ; Tue, 19 Nov 2013 12:11:22 +0100 (CET) Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of raphlalou@gmail.com) identity=pra; client-ip=209.85.128.50; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="raphlalou@gmail.com"; x-sender="raphlalou@gmail.com"; x-conformance=sidf_compatible Received-SPF: Pass (mail3-smtp-sop.national.inria.fr: domain of raphlalou@gmail.com designates 209.85.128.50 as permitted sender) identity=mailfrom; client-ip=209.85.128.50; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="raphlalou@gmail.com"; x-sender="raphlalou@gmail.com"; x-conformance=sidf_compatible; x-record-type="v=spf1" Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of postmaster@mail-qe0-f50.google.com) identity=helo; client-ip=209.85.128.50; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="raphlalou@gmail.com"; x-sender="postmaster@mail-qe0-f50.google.com"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlEDANlGi1LRVYAylGdsb2JhbABZgz9HDII1QbxJgRYIFg4BAQEBBwsLCRIqgiUBAQQBIwQZARsdAQMMBgULDQICJgICIQEBEQEFARwGE4duAQMJBg2kDYwEU4MJhDMKGScNZIhVEQEFDIEdizoagloHgmuBRwOWJ4FrgS+LJoNMGCmEUzw X-IPAS-Result: AlEDANlGi1LRVYAylGdsb2JhbABZgz9HDII1QbxJgRYIFg4BAQEBBwsLCRIqgiUBAQQBIwQZARsdAQMMBgULDQICJgICIQEBEQEFARwGE4duAQMJBg2kDYwEU4MJhDMKGScNZIhVEQEFDIEdizoagloHgmuBRwOWJ4FrgS+LJoNMGCmEUzw X-IronPort-AV: E=Sophos;i="4.93,729,1378850400"; d="scan'208";a="36433108" Received: from mail-qe0-f50.google.com ([209.85.128.50]) by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/RC4-SHA; 19 Nov 2013 12:11:22 +0100 Received: by mail-qe0-f50.google.com with SMTP id 1so4956285qee.37 for ; Tue, 19 Nov 2013 03:11:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=7b/n9XLL2eVBKDdampiKSEf4GHP8Yh7QAu0oB4OdP0k=; b=rhH8gTqwhZsgtyW3TiGAfo2M+KRDV1qBGWNr9sWiZS/+FBkx6IBBBpun+PWYzDvzx6 ZuQbq7/EVeMYdj50WSwNhuNpgdpdB+ltNxzNNxihPMd8Jt0JunWlcF0ZowIIxBpurOAv Dx0aHY/ZvYRcu0TadNyAxKFp5t9DJqKMkg/T57aXiTxYj45F+zVvNSzclNFnm4j2Al3E a72wnSo5zWT30oiPoMJX3xB58s3/SWyNlUrC49bwIdVLmdAn/KgcfLKHqKqX9C3op5a2 Ut/jmb4jx7CMUwMlYeH+044ezxbIXt/nTbmHOBjGC3LHm9xOqyg66gYfW7LnwDca13aJ AXTg== MIME-Version: 1.0 X-Received: by 10.224.98.200 with SMTP id r8mr41962414qan.26.1384859480781; Tue, 19 Nov 2013 03:11:20 -0800 (PST) Received: by 10.96.82.200 with HTTP; Tue, 19 Nov 2013 03:11:20 -0800 (PST) In-Reply-To: <528B463A.5080303@gmail.com> References: <8738mthu88.fsf@golf.niidar.ru> <528B463A.5080303@gmail.com> Date: Tue, 19 Nov 2013 11:11:20 +0000 Message-ID: From: =?UTF-8?Q?Rapha=C3=ABl_Proust?= To: Jacques-Pascal Deplaix Cc: OCaml Mailing List Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Caml-list] lwt exceptions and infinite loops On Tue, Nov 19, 2013 at 11:06 AM, Jacques-Pascal Deplaix wrote: > Where did you find the operator (>>) ? Your function loop doesn't > terminate because (>>) evaluates both arguments. Lwt's syntax extensions provides (>>) as sugar for `>>=3D fun () ->`. http://ocsigen.org/lwt/api/Pa_lwt > > On 11/19/2013 05:48 AM, Ivan Gotovchits wrote: >> consider the following simple example: >> >> open Lwt >> let rec loop () =3D Lwt_unix.sleep 1. >> loop () >> let bad () =3D Lwt_unix.sleep 1. >> fail Not_found >> let () =3D Lwt_main.run (join [loop (); bad ()]) >> >> >> This program never terminates with an exception as I expect. >> >> Can someone clarify to me what really happens underneath the hood? >> >> Thanks in advance! >> --=20 ______________ Rapha=C3=ABl Proust