Static object importance in c++

Question

I am aware about practical usecase of static variable like int , double etc..

Never thought of the static objects of a class.. can anyone give me practical usecase of static objects?

Answer 1

One of the most important examples is Meyer's singleton. It uses static local variable which is an instance of class.

Answer 2

You implement virtual function like value& get_curent_value(); But your implementation stores values at vector and you have to cover the case if the vector is empty.

Answer 3

some default value for case when your interface function have to return reference, but there is no real value.

Answer 4

not able to think of scenario when this situation arises