#include "demo.pb.h"

#include <iostream>

#include <string>

#include <vector>

#include <functional>

#include <boost/shared_ptr.hpp>

#include <boost/make_shared.hpp>

#include <boost/lexical_cast.hpp>

typedef protocol::recsys::deldup::RecItemArr PbRecItemArr;

typedef protocol::recsys::deldup::RecItem PbRecItem;

class InnerRecItem {

public:

uint64_t videoid;

};

typedef boost::shared_ptr<InnerRecItem> pInnerRecItem;

typedef std::vector<boost::shared_ptr<InnerRecItem> > InnerRecItems;

class A {

public:

virtual void init() = 0;

};

class AB : public A{

public:

void init() {

std::cout << "Im am B object." << std::endl;

}

};

int main(int argc, char* argv[]) {

boost::shared_ptr<A> p(new AB);

p->init();

return 0;

}