#include <boost/shared_ptr.hpp>
using namespace boost;


    struct null_deleter
    {
        template<class T>
        void operator()(T) const
	{
        }
    };


int main()
{
    extern int* object;
    boost::shared_ptr<int> p(object);
    
    extern void (*function)();
    boost::shared_ptr<void ()> p2(function, null_deleter());
    
    return 0;
}