#include <chrono>
#include "TestClassInterface.hpp"
#include "CallBackInterfaceWithCallBack.hpp"
+#include "Enum.hpp"
+#include "Struct.hpp"
using namespace std;
int sum = 0;
for (CallBackInterfaceWithCallBack* cb : cbvec) {
+ cb->needCallback(this);
sum = sum + cb->printInt();
}