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  1. #include <iostream>
  2. #include <vector>
  3. #include <functional>
  4. #include <iterator>
  5. using namespace std;
  6.  
  7. struct Cat{ 
  8. 	size_t weight, height; 
  9. };
  10.  
  11. int main() {
  12. 	vector<Cat> cats;
  13. 	char choice;
  14. 	bool quit = false;
  15. 	function<void()> actions[] = {
  16. 		[&cats]{
  17. 			Cat cat;
  18. 			cin >> cat.weight >> cat.height;
  19. 			cats.push_back(cat);
  20. 		},
  21. 		[&cats]{
  22. 			for(const auto &cat : cats)
  23. 				cout << "Weight: " << cat.weight << " "
  24. 				     << "Height: " << cat.height << endl;
  25. 		},
  26. 		[&quit]{
  27. 			quit = true;
  28. 		}
  29. 	};
  30. 	while(cin>>choice && !quit){
  31. 		auto translatedChoice = choice-'0'-1;
  32. 		if(choice > '0' && translatedChoice<distance(begin(actions), end(actions)))
  33. 			actions[translatedChoice]();
  34. 		else cout << "No action associated to the [" << choice << "] index" << endl;
  35. 	}
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 3236KB
comments (?)
stdin
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1 10 15
1 5 6
2
6
4
3
stdout
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Weight: 10 Height: 15
Weight: 5 Height: 6
No action associated to the [6] index
No action associated to the [4] index
https://ideone.com/FgdgVa
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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