Discrete apis and encapsulation don’t require OO at all. For instance in C you can easily encapsulate things by just not exposing it in the header file. Even th

Discrete apis and encapsulation don’t require OO at all. For instance in C you can easily encapsulate things by just not exposing it in the header file. Even things like data structures can be encapsulated by just returning a handle/pointer to a structure and not exposing the structure itself. The only thing OO gets you is embedding functions in the data structure.