From: Eric Cooper <ecc@cmu.edu>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Private exceptions
Date: Wed, 1 Feb 2006 11:36:40 -0500 [thread overview]
Message-ID: <20060201163640.GB20172@localhost> (raw)
In-Reply-To: <43DE235C.5050404@barettadeit.com>
On Mon, Jan 30, 2006 at 03:31:56PM +0100, Alessandro Baretta wrote:
> [...]
> In this situation, I'd like to be able to declare an exception "private" to
> a module, such that that exception can only be matched within the scope of
> the exception declaration. I am currently sidestepping the problem by using
> an exception which is not exported by the defining module, and consequently
> cannot be matched explicitly, but it can be matched by a try <expr> with _
> -> <whatever>.
But the ability to match any exception (and re-raise it, without
knowing anything more about it) is essential for implementing
constructs like "unwind-protect", "with-open-file", suspend/force,
etc.
--
Eric Cooper e c c @ c m u . e d u
next prev parent reply other threads:[~2006-02-01 16:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-30 14:31 Alessandro Baretta
2006-02-01 16:36 ` Eric Cooper [this message]
2006-02-01 17:21 ` [Caml-list] " Alessandro Baretta
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