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  1. #include <iostream>
  2.  
  3. class Motor
  4. {
  5. public:
  6. struct
  7. {
  8. int i = 3;
  9. } Parameter;
  10.  
  11. void print() { std::cout << params.i; }
  12.  
  13. private:
  14. decltype(Parameter) params;
  15.  
  16. };
  17.  
  18. int main()
  19. {
  20. Motor m;
  21. m.print();
  22. return 0;
  23. }
Success #stdin #stdout 0s 15240KB
stdin
Standard input is empty
stdout
3