#include <iostream>
 
void Foobar() {}
 
template<typename First, typename... Rest>
void Foobar(const First &val, Rest... args)
{  
    val.PrintContent();
    Foobar(args...);
}
 
template<typename... Rest>
void Foobar(const int val, Rest... args)
{  
    std::cout << val << std::endl;
    Foobar(args...);
}
 
struct A {
   A(int a): b(a) {}
   void PrintContent() const {
      std::cout << "A: " << b << std::endl;
   }
   int b;
};
 
int main() {
   Foobar(5, 6, 7, A(1));
}

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