> The way you know it's magic is it shatters the principle of referential identity, which tells you that a variable is itself When you do a useValue() it is cl

> The way you know it's magic is it shatters the principle of referential identity, which tells you that a variable is itself When you do a useValue() it is clear you are grasping at something with a larger lifespan than your function. Conceptually it is not much different than int counter() { static int x = 1; return x++; } Which predates C89, if age is an argument