How to: Nullable Types
- [nan](https://github.com/kak-tus/nan) - Zero allocation Nullable structures in one library with handy conversion functions, marshallers and unmarshallers.
- [null](https://github.com/emvi/null) - Nullable Go types that can be marshalled/unmarshalled to/from JSON.
- [typ](https://github.com/gurukami/typ) - Null Types, Safe primitive type conversion and fetching value from complex structures.