// template_function.cc
#include <iostream>
using namespace std;

template <typename T> 
T Square(const T& y)
{
  T ySquared = y * y; // * operator must exist for type T
  return (ySquared);
}

int main() 
{
  int p = 2;
  int pSquared = Square(p);
  cout << p << " squared = " << pSquared << endl;
  
  double q = 0.5;
  double qSquared = Square(q);
  cout << q << " squared = " << qSquared << endl;
}