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#include <boost/tr1/memory.hpp>
#include <boost/tr1/tuple.hpp>
#include <boost/any.hpp>
#include <iostream>
namespace Core
{
class AutoConverter
{
std::tr1::shared_ptr<boost::any> t_;
public:
AutoConverter(std::tr1::shared_ptr<boost::any> const & t)
: t_(t)
{}
template <typename C>
operator C ()
{
try
{
boost::any & a = (*t_);
return boost::any_cast<C>(a);
}
catch(boost::bad_any_cast & e)
{
std::cerr << "Internal conversion bug: "
<< "Failed to convert data holder to "
<< typeid(C).name() << "\n"
<< e.what()
<< std::endl;
C c = C();
return c;
}
}
};
inline AutoConverter Demo()
{
std::tr1::shared_ptr<boost::any> p_result
(new boost::any(std::tr1::make_tuple(1, 2, 3, 4)));
return p_result;
}
} // namespace Core
int main()
{
std::tr1::tuple<int, int, int, int> test = Core::Demo();
return 0;
}
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