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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class
  6. {
  7. public:
  8. 	auto operator + () -> decltype(*this)
  9. 	{
  10. 		cout << "Unary plus\n";
  11. 		return *this;
  12. 	}
  13.  
  14. 	static void do_smth()
  15. 	{
  16. 		cout << "Static method\n";
  17. 	}
  18.  
  19. 	void test(auto obj)
  20. 	{
  21. 		cout << "Argument\n";
  22. 	}
  23. } smth;
  24.  
  25. int main()
  26. {
  27. 	+smth;
  28. 	decltype(smth) b;
  29. 	+b;
  30. 	decltype(b)::do_smth();
  31. 	smth.test(b);
  32.  
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
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Standard input is empty
stdout
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Unary plus
Unary plus
Static method
Argument
https://ideone.com/FzRqOF
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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