Functional Turtle
=================

Data is immutable


Client has to create the state and pass it into a functio and get the new state back
-> The client is involved in managing the state

Functions now return the state, and can be composed !

Pythonic
--------






Pure
----





API
---

:doc:`API/functional_turtle`


Overall
-------


Pros:
- Immutability : easier to reason about
- Stateless: Easier to test
- Fcuntions are composable

Cons:
- client has to keep track fo the state
- Hardc oded dependencies