fork download
copy 
  1.  
  2. #include <unordered_set>
  3.  
  4. struct RIGHT128 {
  5. 	uint64_t X;
  6. 	uint64_t Y;
  7.  
  8. 	RIGHT128() : X(0), Y(0) {};
  9. 	RIGHT128(const uint64_t& x, const uint64_t& y) : X(x), Y(y) {};
  10. 	RIGHT128(const RIGHT128& other) {
  11. 		X = other.X;
  12. 		Y = other.Y;
  13. 	};
  14.  
  15. 	RIGHT128& operator=(const RIGHT128& other) {
  16. 		X = other.X;
  17. 		Y = other.Y;
  18. 		return *this;
  19. 	};
  20.  
  21. 	bool operator==(const RIGHT128& other) {
  22. 		if (X == other.X && Y == other.Y)
  23. 			return true;
  24. 		return false;
  25. 	};
  26.  
  27. 	bool operator<(const RIGHT128& other) {
  28. 		if (X < other.X)
  29. 			return true;
  30. 		else if (X == other.X && Y == other.Y)
  31. 			return true;
  32.  
  33. 		return false;
  34. 	};
  35.  
  36. 	// this could be moved in to std::hash<Point>::operator()
  37. 	size_t operator()(const RIGHT128& RIGHT128ToHash) const noexcept {
  38. 		size_t hash = RIGHT128ToHash.X + 10 * RIGHT128ToHash.Y;
  39. 		return hash;
  40. 	};
  41.  
  42. };
  43.  
  44. namespace std {
  45. 	template<> struct hash<RIGHT128>
  46. 	{
  47. 		std::size_t	operator()(const RIGHT128& p) const noexcept
  48. 		{
  49. 			return p(p);
  50. 		}
  51. 	};
  52. }
  53.  
  54. int main()
  55. {
  56.     // no need to specify the hasher if std::hash<Point> exists
  57. 	std::unordered_set<RIGHT128> p;
  58. 	return 0;
  59. }
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/ac0kJ5
language:
C++14 (gcc 8.3)
created:
46 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!