// Another example of type conversion (to a user-defined type) before the binding of the const reference.

#include <iostream>
#include <string>
#include <cmath>

struct TwoDoubles{
  double f1, f2;

  TwoDoubles(double d): f1{d/2}, f2{d/2}{  // A TwoDobles object can be constructed from a double
  }

};


int main(){
  using namespace std;

  const TwoDoubles &var = 6.4;             // A temporary TwoDoubles object is made, by
                                           // activating the Twodoubles constructor on 6.4.
                                           // var becomes a const reference to the
                                           // TwoDoubles object.

  cout << var.f1 << ", " << var.f2 << endl;  // 3.2,  3.2
}