From: John Maddock (john_at_[hidden])
Date: 2007-03-23 14:50:09
Martin Bonner wrote:
>> Why not throw an exception? Any overhead only occurs when an error
>> has actually happened, not on every operation.
> Not quite. See below.
>> Or even better:
>>
>> if(error_condition)
> That is where the potential for additional overhead occurs. Now, how
> /serious/ it is, is an /entirely/ different matter. Obviously, it
> depends how much work it takes to calculate "error_condition", and
> how tight a loop we are in.
Absolutely: but unless you propose to have no error handling at all, the
test is the same irrespective of whether we abort or throw or whatever,
isn't it? What am I missing?
Cheers, John.