fork download
copy 
  1. #include <functional>
  2. #include <iostream>
  3. #include <map>
  4. #include <vector>
  5.  
  6. using namespace std;
  7.  
  8. class entity{
  9. 	static const char* colorArray[];
  10. 	size_t _index;
  11. 	int _time;
  12. public:
  13. 	entity(int time) : _index(0U), _time(time) {}
  14. 	void AddRed() {_index |= 4U;}
  15. 	void AddYellow() {_index |= 2U;}
  16. 	void AddBlue() {_index |= 1U;}
  17. 	auto GetInitializedTime() const {return _time;}
  18. 	auto Result() const {return colorArray[_index];}
  19. };
  20.  
  21. const char* entity::colorArray[] = {"black", "blue", "yellow", "green", "red", "purple", "orange", "white"};
  22.  
  23. int main() {
  24. 	map<int, function<void(entity&)>> events = {{3, mem_fn(&entity::AddRed)}, {9, mem_fn(&entity::AddBlue)}, {11, mem_fn(&entity::AddYellow)}};
  25. 	vector<entity> Entity = {entity(1), entity(8), entity(13)};
  26.  
  27. 	for(auto& i : Entity) {
  28. 		for(auto j = events.upper_bound(i.GetInitializedTime()); j != events.end(); ++j) {
  29. 			j->second(i);
  30. 		}
  31. 		cout << i.Result() << endl;
  32. 	}
  33.  
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
white
green
black
https://ideone.com/u0rewz
language:
C++14 (gcc 8.3)
created:
8 years 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!