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From: Justin Gombos <rpbkbq.xax.gld@uluv.kbq>
Subject: Re: Handling invalid objects
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Date: Wed, 22 Mar 2006 01:27:24 GMT
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Date: 2006-03-22T01:27:24+00:00
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On 2006-03-20, Randy Brukardt <randy@rrsoftware.com> wrote:
>
>> The quality and style guide advises against them for a good reason;
>> exceptions are like gotos - and produce a questionable state.
>
> The state isn't questionable in this case: you have no legitimate
> value to return, so anything you return is garbage. That means there
> isn't any state to corrupt.

I didn't post an sample body for function hour_of_day return
clock_type, so you don't have enough information to be able to
conclude whether the state is corrupted.  For all we know, hour_of_day
is impure and modifies global data, and raises exceptions from
multiple points.

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