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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Outer {
  5. 	class Inner {
  6. 		private:
  7. 		int x = 0;
  8. 	};
  9.  
  10. 	public:
  11. 	static void m() {
  12. 		Inner foo;
  13. 		cout << foo.x << endl;
  14. 	}
  15. };
  16.  
  17. int main() {
  18. 	Outer::m();
  19. 	return 0;
  20. }
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 static member function ‘static void Outer::m()’:
prog.cpp:13:15: error: ‘int Outer::Inner::x’ is private within this context
   cout << foo.x << endl;
               ^
prog.cpp:7:11: note: declared private here
   int x = 0;
           ^
stdout
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Standard output is empty
https://ideone.com/U2XXhJ
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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