// CS301P Lab 6 Problem KST Learning

#include<iostream>
#include<conio.h>
using namespace std;

template<class T>
void swap_value(T a , T b)
{
	T temp = a;
	a = b;
	b = temp;
}

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

template<class T>
void swap_pointer(T *a , T *b)
{
	T temp = *a;
	*a = *b;
	*b = temp;
}

main()
{
	int a = 5 , b = 10;
	
	cout << "==================== Function Call By Value ====================";
	cout << "\n\nBefore Swapping";
	cout << "\na = " << a;
	cout << "\nb = " << b;
	swap_value(a,b);
	cout << "\n\nAfter Swapping";
	cout << "\na = " << a;
	cout << "\nb = " << b;
	
	cout << "\n\n==================== Function Call By Reference ====================";
	cout << "\n\nBefore Swapping";
	cout << "\na = " << a;
	cout << "\nb = " << b;
	swap_reference(a,b);
	cout << "\n\nAfter Swapping";
	cout << "\na = " << a;
	cout << "\nb = " << b;
	
	cout << "\n\n==================== Function Call By Pointer ====================";
	cout << "\n\nBefore Swapping";
	cout << "\na = " << a;
	cout << "\nb = " << b;
	swap_pointer(&a,&b);
	cout << "\n\nAfter Swapping";
	cout << "\na = " << a;
	cout << "\nb = " << b;
	getch();
	return 0;
}