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  1. #include <iostream>
  2.  
  3. class Screen
  4. {
  5. public:
  6.         void some_member () const;
  7.         size_t get() const { return access_ctr; }
  8. private:
  9.         mutable size_t access_ctr = 0;
  10. };
  11.  
  12. void Screen::some_member () const
  13. {
  14.         ++access_ctr;
  15. }
  16.  
  17. int main()
  18. {
  19.         const Screen s;
  20.         for (int i = 0; i < 5; ++i)
  21.         {
  22.                 s.some_member();
  23.                 std::cout << s.get() << std::endl;
  24.         }
  25. }
  26.  
  27.  
Success #stdin #stdout 0s 3460KB
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https://ideone.com/I7w3oJ
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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