Dot (.) operator and operator operator : Operator « Language « C++

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C++ » Language » OperatorScreenshots 
Dot (.) operator and operator operator
Dot (.) operator and operator operator


#include <iostream>
using namespace std;
class MyClass {
public:
  MyClass(int i) { 
     val=i; 
  }
  int val;
  int doubleValue() { 
     return val+val; 
  }
};
int main()
{
  int MyClass::*data;                 // data member pointer
  int (MyClass::*func)();             // function member pointer
  MyClass myObject1(1), myObject2(2)// create objects
  MyClass *p1, *p2;
  p1 = &myObject1;                     // access objects through a pointer
  p2 = &myObject2;
  data = &MyClass::val;               // get offset of val
  func = &MyClass::doubleValue;        // get offset of doubleValue()
  cout << "Here are values: ";
  cout << p1->*data << " " << p2->*data << "\n";
  cout << "Here they are doubled: ";
  cout << (p1->*func)() << " ";
  cout << (p2->*func)() << "\n";
  return 0;
}


           
       
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