Re: [boost] [Boost-users] [function] vs2005 warning

From: Michael Marcin (mmarcin_at_[hidden])
Date: 2006-10-11 14:45:27

Peter Dimov wrote:
> Michael Marcin wrote:
>
> <snip>
>
> I don't know about the RC... it's probably a bit late for that.
>
>> There are lots more annoying warnings (just at warning level 3).
>> I know many people work with a strict no warning policy.
>
> Can you please post specific examples?
>

Sure,  the first 2 come up quite often the rest are less bothersome.

boost/signals/trackable.hpp(185) : warning C4512: 
'boost::signals::detail::bound_objects_visitor' : assignment operator could 
not be generated
        boost/signals/trackable.hpp(65) : see declaration of 
'boost::signals::detail::bound_objects_visitor'
----------
boost/program_options/options_description.hpp(232) : warning C4512: 
'boost::program_options::options_description' : assignment operator could 
not be generated
    boost/program_options/options_description.hpp(156) : see declaration of 
'boost::program_options::options_description'
----------
program_options\cmdline.cpp(294) : warning C4800: 'int' : forcing value to 
bool 'true' or 'false' (performance warning)
----------
cmdline.cpp(465) : warning C4800: 'int' : forcing value to bool 'true' or 
'false' (performance warning)
----------
boost\inc\boost/lexical_cast.hpp(138) : warning C4127: conditional 
expression is constant
        boost/lexical_cast.hpp(134) : while compiling class template member 
function 
'boost::detail::lexical_stream<Target,Source>::lexical_stream(void)'
        with
        [
            Target=std::string,
            Source=NewSource
        ]
        lexical_cast.hpp(219) : see reference to class template 
instantiation 'boost::detail::lexical_stream<Target,Source>' being compiled
        with
        [
            Target=std::string,
            Source=NewSource
        ]
        value_semantic.hpp(190) : see reference to function template 
instantiation 'Target boost::lexical_cast<std::string,T>(const Source &)' 
being compiled
        with
        [
            Target=std::string,
            T=bool,
            Source=bool
        ]
        value_semantic.hpp(188) : while compiling class template member 
function 'boost::program_options::typed_value<T> 
*boost::program_options::typed_value<T>::default_value(const T &)'
        with
        [
            T=bool
        ]
        program_options\value_semantic.cpp(115) : see reference to class 
template instantiation 'boost::program_options::typed_value<T>' being 
compiled
        with
        [
            T=bool
        ]