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  1. #include <iostream>
  2. #include <tuple>
  3.  
  4. template <typename T>
  5. inline const T& max (const T& a, const T& b){
  6. 	return a < b ? b : a;
  7. }
  8.  
  9. namespace BigMath{
  10. 	struct BigNumber{
  11. 		int one = 0;
  12. 		int two = 0;
  13. 		void print() {
  14. 			std::cout << "("<< one << ", " << two << ")" << std::endl;
  15. 		}
  16. 		operator int(){
  17. 			return 2;
  18. 		}
  19. 	};
  20.  
  21. 	bool operator<(const BigNumber& a, const BigNumber& b){
  22. 		return std::tie(a.one, a.two) < std::tie(b.one, b.two);
  23. 	}
  24. }
  25.  
  26. void f(int) {
  27. 	std::cout << "::f" << std::endl;
  28. }
  29.  
  30. namespace bla {
  31. 	using BigMath::BigNumber;
  32.  
  33. 	void f(const BigNumber&) {
  34. 		std::cout << "bla::foo" << std::endl;
  35. 	}
  36.  
  37. 	//bool max() {return true;};
  38.  
  39. 	void printBigger(const BigNumber& a, const BigNumber& b) {
  40. 		BigNumber x = max(a,b);
  41. 		x.print();
  42. 		(f)(a);
  43. 		f(a);
  44. 	}
  45. }
  46.  
  47. int main() {
  48. 	BigMath::BigNumber a;
  49. 	a.one = 3;
  50. 	a.two = 0;
  51. 	BigMath::BigNumber b;
  52. 	b.one = 2;
  53. 	b.two = 2;
  54.  
  55. 	bla::printBigger(a,b);
  56. //	Bla bla;
  57. //	bla.printBigger(a,b);
  58.  
  59. 	(f)(a);
  60. 	f(a);
  61.  
  62. 	return 0;
  63. }
Success #stdin #stdout 0.01s 5324KB
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Standard input is empty
stdout
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(3, 0)
bla::foo
bla::foo
::f
::f
https://ideone.com/bFcJTg
language:
C++14 (gcc 8.3)
created:
8 days ago
visibility:
public

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