// GenericFunctor.h
#include <iostream>
class GenericFunctor
{
public:
	GenericFunctor();
	~GenericFunctor();

	void operator()(void);

	void SomeFuncA() { std::cout << "GenericFunctor::SomeFuncA()" << std::endl; };
	void SomeFuncB() { std::cout << "GenericFunctor::SomeFuncB()" << std::endl; };

};










// GenericFunctor.cpp
#include "GenericFunctor.h"

GenericFunctor::GenericFunctor()
{

}

GenericFunctor::~GenericFunctor()
{

}

void GenericFunctor::operator ()()
{
	static int i = 0;
	if((i++ % 2) == 0)
	{
		SomeFuncA();
		SomeFuncB();
	}
}









// main.cpp
#include "GenericFunctor.h"
int _tmain(int argc, _TCHAR* argv[])
{
	GenericFunctor f;
	for(int i = 0; i < 10; i++)
	{
		f.operator ()();
	}
	
	return 0;
}







// Console output
GenericFunctor::SomeFuncA()
GenericFunctor::SomeFuncB()
GenericFunctor::SomeFuncA()
GenericFunctor::SomeFuncB()
GenericFunctor::SomeFuncA()
GenericFunctor::SomeFuncB()
GenericFunctor::SomeFuncA()
GenericFunctor::SomeFuncB()
GenericFunctor::SomeFuncA()
GenericFunctor::SomeFuncB()









// Compiler output, kdyz se nahradi f.operator()() za f.operator()
d:\my\gpg\funktory\funktory.cpp(53) : error C3867: 'GenericFunctor::operator ()': function call missing argument list; use '&GenericFunctor::operator ()' to create a pointer to member