the function template and display

This program is used to learn the function template and display

cpp seven.hpp

@@ -0,0 +1,61 @@
+//The function template and display
+#include <iostream>
+//define the function
+template <typename T>
+void Swap(T &a, T &b);
+struct job
+{
+	char name[20];
+	double salary;
+	int floor;
+};
+//define the display
+template <>void Swap<job>(job &j1, job &j2);
+void Show(job &j);
+using namespace std;
+int main()
+{
+	//cout.precision(4);
+	//cout.setf(ios::fixed);
+	int i = 10, j = 20;
+	cout << "i,j=" << i << "," << j << endl;
+	cout << "Using compiler generated int swapper:" << endl;
+	Swap(i, j);
+	cout << "Now i,j=" << i << "," << j << endl;
+	job s1 = { "Susan Yaffee",73000.60,7 };
+	job s2 = { "Sidney Taffee",78060.72,9 };
+	cout << "Before job swapping:" << endl;
+	Show(s1);
+	Show(s2);
+	Swap(s1, s2);
+	cout << "After job swapping:" << endl;
+	Show(s1);
+	Show(s2);
+	cin.get();
+    return 0;
+}
+//struct of the exchange
+template <typename T>
+void Swap(T &a, T &b)
+{
+	T temp;
+	temp = a;
+	a = b;
+	b = temp;
+}
+//the exchange of variables in different structs
+template <>void Swap<job>(job &j1, job &j2)
+{
+	double t1;
+	int t2;
+	t1 = j1.salary;
+	j1.salary = j2.salary;
+	j2.salary = t1;
+	t2 = j1.floor;
+	j1.floor = j2.floor;
+	j2.floor = t2;
+}
+void Show(job &j)
+{
+	cout << j.name << ":$" << j.salary << " on floor " << j.floor << endl;
+}