Ticket #9455: main.cpp

#include <cstdio>

#include "boost/fusion/include/map.hpp"
#include "boost/fusion/include/pair.hpp"
#include "boost/fusion/include/at_key.hpp"

using namespace boost;

class MappedType
{
public:
        MappedType() : m_value(1234.0) {}

        double  m_value;
};


class ClassA
{
public:
        struct key0;
        struct key1;

        void Print() const
        {
                printf("MappedType 0 : %g\nMappedType 1 : %g\n",
                        fusion::at_key<key0>(m_map).m_value,
                        fusion::at_key<key1>(m_map).m_value);
        }

        fusion::map<
                fusion::pair<key0, MappedType>,
                fusion::pair<key1, MappedType>
        > m_map;
};


int main()
{
        ClassA object1;
        std::pair<int, ClassA> pair0(0, object1);
        printf("object copy construction (not broken)\n");
        pair0.second.Print();


        std::pair<int, ClassA> pair1(1, ClassA());
        printf("in place construction (broken for c++11)\n");
        pair1.second.Print();

        return 0;
}