basic_references.cpp

//g++ -o basic_references basic_references.cpp

#include <iostream>
 
using namespace std;
 
int main () {
   // declare simple variables
   int    i = 0;
   double d = 0.0;
   // declare reference variables
   int&    r = i;
   double& s = d;
   i = 5;
   cout << "Value of i : " << i << endl;
   cout << "Value of i reference : " << r  << endl;
 
   d = 11.7;
   cout << "Value of d : " << d << endl;
   cout << "Value of d reference : " << s  << endl;
   
   return 0;
}