Re: [boost] [HEAD] lexical_cast<int8_t>("127") bug?

From: Edward Diener (eldiener_at_[hidden])
Date: 2007-05-07 13:48:19

Sebastian Redl wrote:
> Paul A Bristow wrote:
>> I also recollect that I never understood why
>>
>>    zz = lexical_cast<int>("0xffff"); // Fails!
>>
>> However I was more concerned about the floating-point problems, now sorted out,
>> and I didn't waste any brain activity on it.
>>   
> That's because all lexical cast does is create a string stream and use
> the extractor to get the value out. The int extractor doesn't parse code
> style integers. It just looks at the base flag (oct, dec or hex) and
> expects the number to be in this format.

My understanding is that if the istringstream sees a string starting 
with Ox or 0X it should automatically parse it as a hexadecimal value.