gistfile1.cpp

#include <iostream>


struct SecretLove
{
	SecretLove(const std::string &msg)
	:msg_4_u(msg)
	{
	}
private:
	void hoge()
	{
		std::cerr << "(^_^;)" << std::endl;
	}
	std::string msg_4_u;
};


// メンバ変数用
template<typename T, typename MemType, MemType T::* Ptr> struct memvar
{
	struct accessor { static MemType T::* ptr; };
};
template<typename T, typename MemType, MemType T::* Ptr>
MemType T::* memvar<T,MemType,Ptr>::accessor::ptr = Ptr;

// メンバ関数用
template<typename T, void (T::*Ptr)()> struct memfun
{
	struct accessor { static void (T::*ptr)(); };
};
template<typename T, void (T::*Ptr)()>
void (T::*memfun<T,Ptr>::accessor::ptr)() = Ptr;


int main()
{
	typedef typename memvar<SecretLove,std::string,&SecretLove::msg_4_u>::accessor acc_msg_4_u;
	typedef typename memfun<SecretLove,&SecretLove::hoge>::accessor acc_hoge;

	SecretLove love("(^3^) chu-!");
	std::cerr << "Message: " << love.*acc_msg_4_u::ptr << std::endl;
	love.*acc_msg_4_u::ptr = "('A`) hate hate hate!";
	std::cerr << "Message: " << love.*acc_msg_4_u::ptr << std::endl;
	
	(love.*acc_hoge::ptr)();
	
	return 0;
}