#include<iostream>

using std::cout;
using std::endl;

template <class T>
void swap(T& x, T& y)
{
	T temp;
	temp = x;
	x = y;
	y = temp;
}

void swap(char*& x, char*& y)
{
	char* temp;

	temp = new char[strlen(x) + 1];
	strcpy(temp, x);
	
	delete []x;
	x = new char[strlen(y) + 1];
	strcpy(x, y);

	delete []y;
	y = temp;

	temp = NULL;
}

void main()
{

	//call to swap with ints
	int x = 3;
	int y = 6;

	swap(x, y);

	cout << x;
	cout << y;

	cout << endl;

	//call to swap with doubles
	double j = 7.12111;
	double k = 8.99889;

	swap (j,k);
	cout << j;
	cout << k;

	cout << endl;

	//call to swap with chars
	char c1 = 'a';
	char c2 = 'b';

	swap (c1,c2);
	cout << c1;
	cout << c2;

	cout << endl;

	//call to swap with character strings
	char *a1 = new char[7];
	strcpy(a1,"orange");

	char *a2 = new char[6];
	strcpy(a2, "apple");

	swap (a1,a2);
	cout << a1 << endl;
	cout << a2 << endl;
}