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From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada
Subject: Re: Exceptions
Date: Wed, 12 Dec 2007 09:37:20 -0500
Organization: The World Public Access UNIX, Brookline, MA
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Date: 2007-12-12T09:37:20-05:00
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"Randy Brukardt" <randy@rrsoftware.com> writes:

> "Niklas Holsti" <niklas.holsti@tidorum.invalid> wrote in message
> news:475e8bde$0$27850$4f793bc4@news.tdc.fi...
> ...
>> And perhaps also
>>
>>    5. Exceptions as formal generic parameters.
>
> Ada has this (although it isn't obvious): just pass an
> Ada.Exceptions.Exception_Id to the generic. That is, given a generic spec
> something like:
>
>     generic
>          My_Exception : Ada.Exceptions.Exception_Id :=
> Constraint_Error'Identity;
>     package Gen is ...

Yeah, you can do that.

But IMHO this area of the language is a mess.

Making exceptions be first-class objects would make the language
simpler, easier to implement, and more powerful.

- Bob