# Functions - [ ] [`NewType()`](https://docs.python.org/3/library/typing.html#newtype) - [ ] [`Union()`](https://docs.python.org/3/library/typing.html#typing.Union) - [ ] [`Optional()`](https://docs.python.org/3/library/typing.html#typing.Optional): `Union(X, Null)` # Reference - [`typing` python module](https://docs.python.org/3/library/typing.html#module-typing)
Functions
NewType()Union()Optional():Union(X, Null)Reference
typingpython module