From: "Raphaël Proust" <raphlalou@gmail.com>
To: Jacques-Pascal Deplaix <jp.deplaix@gmail.com>
Cc: OCaml Mailing List <caml-list@inria.fr>
Subject: Re: [Caml-list] lwt exceptions and infinite loops
Date: Tue, 19 Nov 2013 11:11:20 +0000 [thread overview]
Message-ID: <CAAmHUAkzcSk6p5w6oL=V4USZ8KNfF+z01tjKLiTzbjX41b2evQ@mail.gmail.com> (raw)
In-Reply-To: <528B463A.5080303@gmail.com>
On Tue, Nov 19, 2013 at 11:06 AM, Jacques-Pascal Deplaix
<jp.deplaix@gmail.com> 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 `>>= 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 () = Lwt_unix.sleep 1. >> loop ()
>> let bad () = Lwt_unix.sleep 1. >> fail Not_found
>> let () = 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!
>>
--
______________
Raphaël Proust
next prev parent reply other threads:[~2013-11-19 11:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-19 4:48 Ivan Gotovchits
2013-11-19 9:21 ` Jeremie Dimino
2013-11-19 12:32 ` Ivan Gotovchits
2013-11-19 11:06 ` Jacques-Pascal Deplaix
2013-11-19 11:11 ` Raphaël Proust [this message]
2013-11-19 11:35 ` Jacques-Pascal Deplaix
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