VS struct_member_name, C++ (vc++)

VS struct_member_name

#include <iostream>
#include <string>
#include <type_traits>
#include <boost/mpl/range_c.hpp>
#include <boost/fusion/include/size.hpp>
#include <boost/fusion/adapted/struct/define_assoc_struct.hpp>
#include <boost/fusion/algorithm/iteration/for_each.hpp>
#include <boost/fusion/algorithm/transformation/zip.hpp>
#include <boost/fusion/algorithm/transformation/transform.hpp>

namespace keys
{
     struct name
     {};
    struct id
     {};
}

BOOST_FUSION_DEFINE_ASSOC_STRUCT((), Student,
    (std::string, name, keys::name)
    (int, id, keys::id)
)

template <typename Struct>
struct name_getter
{
    template<typename Sig>
    struct result;

template <typename This,typename N>
    struct result<This(N)>
    {
        typedef std::string type;
    };

template<class N>
    std::string operator() (N) const
    {
        return boost::fusion::extension::struct_member_name<Struct, N::value>::call();
    }
};

struct print
{
    template<typename Sig>
    struct result;

template <typename T>
    struct result<print(T)>
    {
        typedef void type;
    };

template<class S>
    void operator() (const S& i) const
    {
        std::cout << i << std::endl;
    }
};

template <typename Struct, typename Indices=boost::mpl::range_c<unsigned, 0, boost::fusion::result_of::size<Struct>::value > >
typename boost::fusion::result_of::transform<Indices const, name_getter<Struct> >::type get_names(Struct) 
{
    return boost::fusion::transform(Indices(),name_getter<Struct>());
}

int main()
{
    Student j = {"John", 42};
    auto names = get_names(j);
    boost::fusion::for_each(names, print());
    return 0;
}


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