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From: William Lovas <wlovas@stwing.upenn.edu>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Exceptions and at_exit
Date: Sat, 13 Jul 2002 16:44:29 -0400	[thread overview]
Message-ID: <20020713204429.GA15095@force.stwing.upenn.edu> (raw)
In-Reply-To: <87ele721sg.fsf@foxthompson.net>

On Sat, Jul 13, 2002 at 06:30:23AM -0700, David Fox wrote:
> My confusion about re-raising exceptions was caused by the fact that
> you get different behavior if you say something like
> 
>   try ... with
>     Failure msg -> <do some stuff>; raise (Failure msg)
> 
> vs something like
> 
>   try ... with
>     exn ->
>        begin match exn with Failure msg -> <do some stuff> end;
>        raise exn
> 
> In the second case, you are re-raising the exception, in the first
> you are raising a new exception and your original traceback is lost.

What if you did something like:

    try ... with
        Failure msg as exn -> <do some stuff>; raise exn

Would that leave the original traceback intact?

William
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  reply	other threads:[~2002-07-13 20:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-04 17:45 David Fox
2002-06-04 21:10 ` Remi VANICAT
2002-07-13 13:30 ` David Fox
2002-07-13 20:44   ` William Lovas [this message]
2002-07-14 15:30     ` Xavier Leroy

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