How to Force a C++ Class to Be a Singleton

How to Force a C++ Class to Be a Singleton

The following example demonstrates how to have only one instance of a class at a time.

 class MySingleTon{public:	static MySingleTon * GetObject()	{		static MySingleTon obj;		return &obj;	}	...	//other interface functions here	...private:	MySingleTon();};

First, declare the constructor as private, so no one can create an instance. Next, declare a static method, like GetObject in the code above. Any client can use the only instance of the class, as shown below:


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