has_my_thing(some_array) can be encapsulated too, using modules. For example, in elixir you have functions like List.to_string(some_list) and Map.values(some_ma

has_my_thing(some_array) can be encapsulated too, using modules. For example, in elixir you have functions like List.to_string(some_list) and Map.values(some_map). This way, you get encapsulation and don't have to have a class.