#include <map>
#include <string>

#include <boost/variant.hpp>
#include <boost/const_string/const_string.hpp>

using namespace boost;
using namespace std;

typedef const_string<char> mystring;
// typedef string mystring;
typedef make_recursive_variant<int, double, time_t, mystring,
                               map<mystring, recursive_variant_> >::type value;
typedef map<mystring, value> map_t;

map_t themap;