#include <boost/mpl/set.hpp>
#include <boost/mpl/insert.hpp>
#include <boost/mpl/transform.hpp>
#include <boost/mpl/lambda.hpp>
#include <boost/mpl/identity.hpp>

using namespace boost::mpl;
using namespace boost::mpl::placeholders;

typedef insert<insert<set<>, double>::type, char>::type m_set;

typedef transform<m_set, lambda<identity<_1> > >::type result;

int main()
{


   return 0;
}