RE: [Boost-Users] First problems with 1.30.0

From: Jeff Garland (jeff_at_[hidden])
Date: 2003-03-21 07:55:26

> I am trying new 1.30.0 release and got couple of problems on MSVC6 
> SP5.
> 
> First of all, compiling
> 
> #include <boost/date_time/gregorian/gregorian.hpp>
> int main()
> {
> 	boost::gregorian::from_string( "" );
> 	return 0;
> }
>
> yields warning:
> 
> 
> I:\SW\EXTERNAL\BOOST_1_30_0\boost/lexical_cast.hpp(147) : warning 
> C4800: 'void *' : forcing value to bool 'true' or 'false' 
> (performance warning)
>         I:\SW\EXTERNAL\BOOST_1_30_0\boost/lexical_cast.hpp(146) : 
> while compiling class-template member function 'bool __thiscall 
> boost::detail::lexical_stream<int,class 
> std::basic_string<char,struct std::char_traits<char>,class 
> std::allocator<char>
>  > >::operator <<(const class std::basic_string<char,struct 
> std::char_traits<char>,class std::allocator<char> > &)'

I'm not sure what this would do on 1.29 b/c there have been 
lots of changes to lexical_cast.  Of course I'm assuming this
is an 'example' because with a blank string your program will core 
dump with an unhandled exception that occurs when it tries to 
construct a date from a blank string.

Jeff