©TCP-tryC++

#include <iostream>
using namespace std;

template <typename T>
void Swap(T& a, T& b);

template <> void Swap<double>(double&, double&);

int main(void)
{
	int c = 2, d = 3;
	cout << "c : " << c << ", d : " << d << endl;
	Swap(c, d);
	cout << "c : " << c << ", d : " << d << endl;
	
	double e = 1.234, f = 4.321;
	cout << "e : " << e << ", f : " << f << endl;
	Swap(e, f);
	cout << "e : " << e << ", f : " << f << endl;
	return 0;
}

template <typename T>
void Swap(T& a, T& b)
{
	T temp;
	temp = a;
	a = b;
	b = temp;	
}

template <> void Swap<double>(double&, double&)
{
	// double형은 값을 서로 바꾸지 않음. 
}