테이블에 함수를 포인터에 넣어놓고 문자열을 이용해 호출하는 코드

func2table.cpp

#include <map>
#include <string>
#include <functional>
#include <iostream>

using namespace std;
template <class T>
class Delegator
{
public:

    map<string, function<void(T*)> > table;
    
    void registerFunc( string cmd, void(T::* f)() )
    {
        table[cmd] = f;
    }

    void call(string cmd)
    {
    	table[cmd]((T*)this);
    }
};

class player : public Delegator<player>
{
public:

    void play()
    {
    	cout << "play" << endl;
    }

	virtual void play2nd()
	{
		cout << "player::play2nd" << endl;
	}
};

class subplayer : public player
{
public:
	virtual void play2nd()
	{
		cout << "subplayer::play2nd" << endl;
	}
};

int main()
{
	subplayer theplayer;

	theplayer.registerFunc("play", &player::play);
	theplayer.registerFunc("play2nd", &player::play2nd);
	theplayer.call("play");
	theplayer.call("play2nd");
	return 0;
}