OK, thank you, now begins to became clearer. So the rule is: you can declare whatever you want; you can even write to it; but the compiler warns/stops you only when you try to read from it. Am I correct?
OK, thank you, now begins to became clearer. So the rule is: you can declare whatever you want; you can even write to it; but the compiler warns/stops you only when you try to read from it. Am I correct?