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> > This is no intuition. I can whip up a quick demo in Delphi
> > (I already did - took 5 minutes) which shows that passing a Boolean
> > up from a 5 levels deep nested procedure call executed in a loop is at
> > least
> > 100 times as fast as throwing and catching an exception for the same
> > purpose.
> > I can post or e-mail it if you really want to see it.
> I did the same in Java, and it is well over 1000 times slower. I agree
> with John that performance isn't everything, but 1000 times slower using
> the same technology is, IMO, completely unreasonable.
However, one can also make a strong argument against liberal use of
exceptions for controlling *normal* program flow simply by observing
how readable and understandable the code becomes, since you now have
two ways of doing the same thing.