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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. #include<iostream>
  5. using namespace std;
  6.  
  7. class SmartPtr
  8. {
  9. private:
  10.    int *ptr;  // Actual pointer
  11. public:
  12.    explicit SmartPtr(int *p = NULL) { ptr = p; } 
  13.  
  14.    // Destructor
  15.    ~SmartPtr() { delete(ptr); }  
  16.  
  17.    // Overloading dereferencing operator
  18.    int & operator *() {  return *ptr; }
  19. };
  20.  
  21. int main()
  22. {
  23.     SmartPtr ptr(new int());
  24.     *ptr=2016;
  25.     cout << *ptr << endl;
  26.  
  27.  
  28.     // We don't need to call delete ptr: when the object 
  29.     // ptr goes out of scope, destructor for it is automatically
  30.     // called and destructor does delete ptr.
  31.  
  32.     return 0;
  33. }
Success #stdin #stdout 0s 4188KB
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2016
https://ideone.com/Ipymxh
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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