#include <iostream>
#include <string>

class copy_tracker
{
	int v;
public:
	copy_tracker()
		: v(0)
	{
		std::cout << "copy_tracker::copy_tracker()" << std::endl;
	}

	copy_tracker( const copy_tracker& c )
		: v( c.v )
	{
		std::cout << "copy_tracker::copy_tracker( copy_tracker& c )" << std::endl;
	}

	void use_object() const
	{
		std::cout << v << std::endl;
	}
};

copy_tracker create_rvalue()
{
	return copy_tracker();
}

const copy_tracker create_const_rvalue()
{
	return copy_tracker();
}

void f ( copy_tracker&& o )
{
	o.use_object();
}

void f_const ( const copy_tracker&& o )
{
	o.use_object();
}

void aaa( const std::string& s )
{
	std::cout << s << std::endl;
}

int main( void )
{

	f( create_rvalue() );

	f_const( create_rvalue() );
	f_const( create_const_rvalue() );
	
	copy_tracker lvalue;
	f( std::move(lvalue) );
	f_const( std::move(lvalue) );

	aaa( "aaaa");

	return 0;
}