//

// Example of how to use two templates

//

// Week 2, lecture 2.2

//

#include <iostream>

using namespace std;

#include <vector>

//

// Pay attention on the safe casting 'static_cast'

//

/*

. More types means worrying about convertions and more signatures

. static_cast operators are considered safe

. The old cast operator (type) is deprecated

*/

template <class T1, class T2>

void copy(const T1 source[], T2 destination[], int size) {

for (int i = 0; i < size; ++i)

destination[i] = static_cast<T2>(source[i]);

}

template <class T>

T display(T data[], int size) {

for (int i = 0; i<size; ++i)

cout << "Value(" << i << ") = " << data[i] << endl;

return 0;

}

int main() {

cout << "using two templates" << endl;

int a[] = {1, 2, 3};

double b[3];

copy(a, b, 3);

display(b, 3);

double c[] = {3.9, 4.5, 6.7};

copy (c, a, 3);

display(a, 3);

}