C++ what to code if i put a class after main() function

Question

I\'m watching some video tutorials on C++ and i know you must define a function / class before it is used or called. But I like having my main() function at the top, and eve

Answer 1

You cannot create an actual instance of the type (variable, value member) until the type is fully defined, as its size is not known. There is no way around that, but there is a lot you can already do with a pointer to an incomplete type.