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“static inside local scope in c++” Code Answer

static inside local scope in c++

cpp by Alive Angelfish on Aug 06 2020 Donate

#include<iostream>
//Singleton class is a class having only one instance
class SingleTon {

public:
	static SingleTon& Get() {
		static SingleTon s_Instance;
		return s_Instance;
	}//there is only one instance of static functions and variables across all instances of class
	void Hellow() {}
};
void Increment() {
	int i = 0;//The life time of variable is limited to the function scope
	i++;
	std::cout << i << std::endl;
};//This will increment i to one and when it will reach the end bracket the lifetime of var will get  destroyed
void IncrementStaticVar() {
	static int i = 0;//The life time of this var is = to program
	i++;
	std::cout << i << std::endl;
}//This will increment i till the program ends
int main() {
	
	Increment();//output 1
	Increment();//output 1
	Increment();//output 1
	IncrementStaticVar();// output 2
	IncrementStaticVar();// output 3
	IncrementStaticVar();// output 4
	IncrementStaticVar();// output 5
	SingleTon::Get();
	std::cin.get();

}

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