Basic Singleton

/*
 * This is the very basic implementation of Singleton
 * Since C++11, this implementation is thread-safe
 */

class Singleton {
public:
	static Singleton& getInstance() {
		static Singleton instance;
		return instance;
	}

private:
	Singleton() { } // do not allow outside constructions
	Singleton(Singleton const&); // don't allow cloning
	void operator=(Singleton const&); // don't allow copies
};

#define MySingleton Singleton::getInstance()

/*Call it now as MySingleton.myMethod(); */