C++関数テーブル

func03.cpp

#include <iostream>
#include <functional>

class Test
{
public:
	void print1()
	{
		std::cout << "print" << std::endl;
	}

	void print2()
	{
		std::cout << "print2" << std::endl;
	}
	void print3()
	{
		std::cout << "print3" << std::endl;
	}
};


int main(int argc, char const* argv[])
{
	typedef void(Test::*MEMFUNC)();

	static const MEMFUNC mem[] = 
	{
		&Test::print1,
		&Test::print2,
		&Test::print3
	};

	Test t;
	(t.*mem[0])();
	(t.*mem[1])();
	(t.*mem[2])();

	return 0;
}

func11.cpp

#include <iostream>
#include <functional>


class Test
{
public:
	void print1()
	{
		std::cout << "print" << std::endl;
	}

	void print2()
	{
		std::cout << "print2" << std::endl;
	}
	void print3()
	{
		std::cout << "print3" << std::endl;
	}
};

int main(int argc, char const* argv[])
{
	Test t;

	std::function<void ()> mem[] =
	{
		std::bind( &Test::print1, &t ),
		std::bind( &Test::print2, &t ),
		std::bind( &Test::print3, &t ),
	};
	mem[0]();
	mem[1]();
	mem[2]();

	return 0;
}