#include <iostream>
#include <boost/fusion/include/map.hpp>
#include <boost/fusion/include/pair.hpp>
#include <boost/fusion/include/at_key.hpp>
#include <boost/fusion/include/at.hpp>
#include <boost/fusion/include/for_each.hpp>

#include <string>

struct print_me {
    template<typename T> void operator()(T &t) const {
        std::cout << t << std::endl;
    }
};

int main()
{
    typedef boost::fusion::map<boost::fusion::pair<struct blah, short>,
            boost::fusion::pair<struct bleh, int>,
            boost::fusion::pair<struct foo, int[2]>,
            boost::fusion::pair<struct bloog, std::string> > test_t;

    test_t test{1, 2, {}, {"hello"}};

    std::cout << boost::fusion::at_key<bleh>(test) << std::endl;

    boost::fusion::at_key<foo>(test)[0] = 5;

    boost::fusion::for_each(test, print_me());

    return 0;
}