#include <boost/function.hpp>
#include <boost/bind.hpp>

typedef boost::function1<void, int > HandlerType1;

void
registerCallback(HandlerType1 h)
{
	int i = 45;

	// callback by passing the argument at callback time
	h(i);
}

void
twoarg_callback(int i, int j)
{
	printf("%d, %d\n", i, j);
}

void
singlearg_callback(int i)
{
	printf("%d\n", i);
}

int
main()
{
	// This line compiles okay
	HandlerType1 h1 = &singlearg_callback;
	h1(14);

	// This is fine too
	boost::function<void ()> k = boost::bind(&twoarg_callback, 3, 4);
	k();

	// This line compiles too
	boost::function<void (int, int)> i = &twoarg_callback;
	boost::bind(i, 3);

	// *** None of the following lines don't seem to work
	// boost::function<void (int)> j = boost::bind(&twoarg_callback, 3, _2);
	// boost::function<void (int)> j = boost::bind(&twoarg_callback, 3);
	// boost::function1<void, int> j = boost::bind(&twoarg_callback, 3);
	// boost::function1<void, int> j = boost::bind(&twoarg_callback, 3, _2);

	return 0;
}