Applying Generic Functions: A Generic Bubble Sort
#include <iostream>
using namespace std;
   
template <class X> void bubble(
  X *items,  // pointer to array to be sorted
  int count) // number of items in array
{
  register int a, b;
  X t;
   
  for(a=1; a<count; a++)
    for(b=count-1; b>=a; b--)
      if(items[b-1] > items[b]) {
        // exchange elements
        t = items[b-1];
        items[b-1] = items[b];
        items[b] = t;
      }
}
   
int main()
{
  int iarray[7] = {7, 5, 4, 3, 9, 8, 6};
  double darray[5] = {4.3, 2.5, -0.9, 100.2, 3.0};
   
  for(int i=0;  i<7; i++)
    cout << iarray[i] << endl;
   
  for(int i=0;  i<5; i++)
    cout << darray[i] << endl;
   
  bubble(iarray, 7);
  bubble(darray, 5);
   
  for(int i=0;  i<7; i++)
    cout << iarray[i] << endl;
   
  for(int i=0;  i<5; i++)
    cout << darray[i] << endl;
   
  return 0;
}