Demonstrates the definition and use of references.

 

#include <iostream>
#include <string>
using namespace std;
float x = 10.7F; 
int main()
{
   float  &rx = x; 

   rx *= 2;
   cout << "   x = " <<  x << endl    
        << "  rx = " << rx << endl;   
   const float& cref = x;    
   cout << "cref = " <<  cref << endl; 

   const string str = "I am a constant string!";


   const string& text = str;    
   cout << text << endl;        
   return 0;
}

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Demonstrates the definition and use of references. : Float « Data Type « C++

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