Jeroen T. Vermeulen wrote:
> I have the same edition.  Still, I try to fit in with what's provided as
> much as possible--and extend the hierarchy where it helps.  I think
> multiple inheritance could really help by providing an additional taxonomy
> of errors besides this one.  At least it helps take away questions like
> "should this be a range_error *or* a libpqxx error?"

And maybe also questions like "should this be a logic_error or a 
runtime_error?" :-)

Cheers,
Bart
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