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  1. #include <iostream>
  2. #include <map>
  3.  
  4. using namespace std;
  5.  
  6. class A
  7. {
  8. public:
  9. 	void SetData(std::string key, int value) 
  10. 	{ 
  11. 		if(m_data.find(key) != m_data.end()) m_data.at(key) = value;
  12. 		else m_data.insert(std::make_pair(key,value));
  13. 	}
  14. 	int GetData(std::string key)
  15. 	{
  16. 		if(m_data.find(key) != m_data.end()) return m_data.at(key);
  17. 		return 0;
  18. 	}
  19. 	void ResetData()
  20. 	{
  21. 		for(auto item : m_data)
  22. 			item.second = 0;
  23. 	}
  24. 	void ResetData2()
  25. 	{
  26. 		for(auto it=m_data.begin(); it!=m_data.end(); it++)
  27. 			(*it).second = 0;
  28. 	}
  29.  
  30. private:
  31. 	std::map<std::string, int> m_data;
  32. };
  33.  
  34. int main() 
  35. {
  36. 	A a;
  37. 	a.SetData("KEY1", 10);
  38. 	std::cout << "Key1: " << a.GetData("KEY1") << std::endl;
  39. 	a.ResetData();
  40. 	std::cout << "Key1: " << a.GetData("KEY1") << std::endl;
  41. 	a.ResetData2();
  42. 	std::cout << "Key1: " << a.GetData("KEY1") << std::endl;
  43.  
  44. 	return 0;
  45. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
Standard input is empty
stdout 
Key1: 10
Key1: 10
Key1: 0
https://ideone.com/GH3Ft8
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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