#include <iostream>
 
template <class Ty1, class Ty2>
class Pair
{
public:
	typedef Ty1 first_type;
	typedef Ty2 second_type;
 
	first_type first;
	second_type second;
 
	Pair(Ty1, Ty2);
};
 
template <class Ty1, class Ty2>
Pair<Ty1, Ty2>::Pair(Ty1 f, Ty2 s)
: first(f), second(s)
{}
 
template <class Ty1, class Ty2>
Pair<Ty1, Ty2> make_pair(Ty1 f, Ty2 s)
{
	return Pair<Ty1, Ty2>(f, s);
}
 
int main()
{
	Pair<int, float> foo = make_pair(42, 3.14f);
 
	std::cout << "First: " << foo.first << std::endl;
	std::cout << "Second: " << foo.second << std::endl;
 
	return 0;
}

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