Date: Wed, 14 Oct 1998 17:47:38 +0400 (MSD)
From: Anton Moscal <msk@post.tepkom.ru>
To: Xavier Leroy <Xavier.Leroy@inria.fr>
Subject: Re: Local definitions
In-Reply-To: <19981012133903.58898@pauillac.inria.fr>
On Mon, 12 Oct 1998, Xavier Leroy wrote:
> I've never found a convincing example of a type or exception
> declaration local to an expression.
I know only one useful example of the local exceptions. I include it
in my first letter. But it's enough important example (by my opinion):
This is structured goto from complex nested construction with returning
value.
Since exceptions can't be polymorphic, for each type of returned value we
need specific exception. I don't know any other convenient way to do
this.
Regards,
Anton E. Moscal
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