Re: [Boost-users] detect if a type has a size_t member

Hicham Mouline wrote:

which doesn't build because

error C2953: 'boost::introspection::has_member_data_maxsize' : class template has already been defined

The macro build a template meta-function that you use on your type : BOOST_HAS_MEMBER_DATA(size_t, maxsize); int main() { if ( boost::introspection::has_member_data_maxsize<T>::value ) { std::cout<<" T has max_size"<<std::endl; } return 0; } ___________________________________________ Joel Falcou - Assistant Professor PARALL Team - LRI - Universite Paris Sud XI Tel : (+33)1 69 15 66 35