`None` or `Invalid` cases in enums are a bad idea

by having them, you’re forcing your users into an API that forces them to think about the invalid case every time they read the value.
2023-10-11
- you’re repeating the million dollar mistake - null
  2023-10-11
- instead, use an explicit Option<T> or std::optional<T> or T? or … when you need to represent a possibly-invalid case
  2023-10-11