#include<iostream>
#include "stub.h"
using namespace std;
int foo(int a)
{ 
 cout<<"I am foo"<<endl;
 return 0;
}
int foo_stub(int a)
{ 
 cout<<"I am foo_stub"<<endl;
 return 0;
}


int main()
{
 Stub stub;
 stub.set(foo, foo_stub);
 foo(1);
 return 0;
}