#include <map>
#include <string>
#include <iostream>
 
struct Foo
{
	static std::map<int , std::string > initMap()
	{
		std::map<int , std::string > m;
		m[0] = "zero";
		m[1] = "one";
		m[2] = "two";
		m[3] = "three";
		m[4] = "four";
		m[5] = "five";
		return m;
	}
 
	static const std::map<int , std::string > myMap;
};
 
const std::map<int , std::string > Foo::myMap = Foo::initMap();
 
int main()
{
	//Foo::myMap[2];
	Foo::myMap.at(2);
	return 0;
}

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