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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. class Out
  6. {
  7.   class In
  8.   {
  9.   public:
  10.     int in = 5566;
  11.   };
  12. public:
  13.   In XD() {
  14.     return In();
  15.   }
  16. };
  17.  
  18. class Out2
  19. {
  20.   class In2;
  21. public:
  22.   In2 XDD();
  23. };
  24.  
  25. class Out2::In2
  26. {
  27. public:
  28.   int in2 = 7788;
  29. };
  30.  
  31. Out2::In2  Out2::XDD()
  32. {
  33.   return Out2::In2();
  34. }
  35.  
  36. auto Get()
  37. {
  38.   class XD { public: int xd = 9999; };
  39.   return XD();
  40. }
  41. int main() {
  42.  
  43.   //Case1
  44.   Out out;
  45.   auto in = out.XD();
  46.   cout << in.in << endl;
  47.   //Case2
  48.   Out2 out2;
  49.   auto in2 = out2.XDD();
  50.   cout << in2.in2 << endl;
  51.   //Case3
  52.   cout << Get().xd << endl;
  53.  
  54.   return 0;
  55. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
5566
7788
9999
https://ideone.com/J81fxF
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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