//twoswap.cpp -- specialization overrides a template
#include <iostream>
template <typename T>
void Swap(T& a, T& b);

struct job
{
	char name[40];
	double salary;
	int floor;
};

//explicit specialization for the job type
template <> void Swap<job>(job& j1, job& j2);
void Show(job& j);



int main(void)
{
	using namespace std;
	cout.precision(2);
	cout.setf(ios::fixed, ios::floatfield);
	int i = 10, j = 20;
	cout << "i, j = " << i << ", " << j << ".\n";


	job sue = { "Susan Yaffee",73000.60,7 };
	job sidney = { "Sidney Taffee",78060.72,9 };
	cout << "Before job swapping:\n";
	Show(sue);
	Show(sidney);
	Swap(sue, sidney);		//uses void Swap(job&,job&)


	cout << "After job swapping:\n";
	Show(sue);
	Show(sidney);
	cin.get(); 


	return 0;
}

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

//swaps just the salary and floor fields of a job  structure
template<>void Swap<job>(job& j1, job& j2)	//specialization
{
	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)
{
	using namespace std;
	cout << j.name << ": $" << j.salary
		<< " on floor " << j.floor << endl;
}