Re: class for database handling errors

James Kanze <>
Sat, 10 May 2008 08:25:23 -0700 (PDT)
On 10 mai, 15:19, Jerry Coffin <> wrote:


First of all,
absent some _really_ good reason to do otherwise (which I've yet to
encounter) an exception handler should be written to receive a reference
to a (possibly const) object.

I have:-). It's a special case, but in some applications, where
it would normally make sense to call exit() somewhere deep in
call hierarchy, I adopt the convention of throwing an int (the
return code) instead; main catches int and returns. In other
words, I call exit, but only after having executed all of the
intermediate destructors. And of course, there's no point in
catching int with a reference.

(For the rest, I agree with all you've said. I just thought I'd
mention this one special case.)

James Kanze (GABI Software)
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