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  1. class Encapsulator
  2. {
  3.   protected:
  4.     int i;
  5.   public:
  6.     Encapsulator(int v) : i(v) {}
  7. };
  8.  
  9. Encapsulator f(int x) { return x + 2; }
  10.  
  11. #include <iostream>
  12. int main(void)
  13. {
  14.     Encapsulator e = f(7);
  15.     // forbidden: std::cout << e.i << std::endl;
  16.     int Encapsulator::*pi = &Encapsulator::i;
  17.     std::cout << e.*pi << std::endl;
  18. }
  19.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:4:9: error: ‘int Encapsulator::i’ is protected
prog.cpp:16:44: error: within this context
prog.cpp:4:9: error: ‘int Encapsulator::i’ is protected
prog.cpp:16:44: error: within this context
stdout
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Standard output is empty
https://ideone.com/pEXk9W
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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