// Fig. 10.17: fig10_17.cpp  
// Using the this pointer to refer to object members.
#include <iostream>
using std::cout;
using std::endl;

class Test 
{
public:
   Test( int = 0 ); // default constructor
   void print() const;
private:
   int x;
}; // end class Test

// constructor
Test::Test( int value ) 
   : x( value ) // initialize x to value
{ 
   // empty body 
} // end constructor Test

// print x using implicit and explicit this pointers;
// the parentheses around *this are required
void Test::print() const   
{
   // implicitly use the this pointer to access the member x
   cout << "        x = " << x;

   // explicitly use the this pointer and the arrow operator
   // to access the member x
   cout << "\n  this->x = " << this->x;

   // explicitly use the dereferenced this pointer and 
   // the dot operator to access the member x
   cout << "\n(*this).x = " << ( *this ).x << endl;
} // end function print

int main()
{
   Test testObject( 12 ); // instantiate and initialize testObject

   testObject.print();
   return 0;
} // end main

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