From: Anton Moscal <msk@post.tepkom.ru>
To: John Max Skaller <skaller@ozemail.com.au>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] two unrelated questions
Date: Fri, 27 Apr 2001 13:12:23 +0400 (MSD) [thread overview]
Message-ID: <Pine.LNX.4.21.0104271309060.8219-100000@kouzdra.glokaya> (raw)
In-Reply-To: <3AE80F56.DFDC823F@ozemail.com.au>
On Thu, 26 Apr 2001, John Max Skaller wrote:
> Unfortunately:
>
> let f x =
> exception Break
> try ... raise Break ...
> with Break -> ()
> ;;
>
> is in error, because exception declarations must be at the top
> level. This prevents desired localisation: this feature is not
> as good as a labelled break for this purpose.
For this problem workaround exists:
let f x =
let module M = struct
exception Break
let v = try ... raise Break ... with Break ->...
end
in M.v
I made syntax extension for camlp4 and now can write something like this:
let f x = let exception Break in ...
Regards,
Anton
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next prev parent reply other threads:[~2001-04-29 21:05 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-25 21:08 Chris Hecker
2001-04-26 0:38 ` Patrick M Doane
2001-04-26 6:04 ` Judicaël Courant
2001-04-26 12:06 ` John Max Skaller
2001-04-27 9:12 ` Anton Moscal [this message]
2001-04-29 22:24 ` Brian Rogoff
2001-04-30 18:57 ` Fergus Henderson
2001-05-01 1:31 ` Jacques Garrigue
2001-05-01 12:45 ` [Caml-list] " Ken Friis Larsen
2001-04-27 15:09 ` [Caml-list] " Brian Rogoff
2001-04-27 17:49 ` John Max Skaller
2001-04-26 8:22 ` Andreas Rossberg
2001-04-26 1:13 ` Jacques Garrigue
2001-04-26 13:47 ` Xavier Leroy
2001-04-26 22:34 ` Chris Hecker
2001-04-26 16:57 ` Mark Seaborn
2001-04-26 22:20 ` John Max Skaller
2001-05-01 21:08 ` Brian Rogoff
2001-05-01 23:30 ` John Max Skaller
2001-05-02 0:03 ` John Max Skaller
2001-05-01 17:25 Dave Berry
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