# Learn Functional Programming

_🚧 This collection is a [work in progress](https://github.com/marimo-team/learn/issues/51)._

This series of marimo notebooks introduces the powerful paradigm of functional
programming through Python. Taking inspiration from Haskell and Category
Theory, we'll build a strong foundation in FP concepts that can transform how
you approach software development.

## What You'll Learn

**Using only Python's standard library**, we'll construct functional
programming concepts from first principles.

Topics include:

+ Currying and higher-order functions
+ Functors, Applicatives, and Monads
+ Category theory fundamentals

## Running Notebooks

### Locally

To run a notebook locally, use

```bash 
uvx marimo edit <URL> 
```

For example, run the `Functor` tutorial with

```bash 
uvx marimo edit https://github.com/marimo-team/learn/blob/main/functional_programming/05_functors.py
```

### On Our Online Playground

You can also open notebooks in our online playground by appending `marimo.app/` to a notebook's URL like:

https://marimo.app/https://github.com/marimo-team/learn/blob/main/functional_programming/05_functors.py

### On Our Landing Page

Open the notebooks in our landing page page [here](https://marimo-team.github.io/learn/functional_programming/05_functors.html)

## Collaboration

If you're interested in collaborating or have questions, please reach out to me
on Discord (@eugene.hs).

## Description of notebooks

Check [here](https://github.com/marimo-team/learn/issues/51) for current series
structure. 

| Notebook | Title | Key Concepts | Prerequisites |
|----------|-------|--------------|---------------| 
| [05. Functors](https://github.com/marimo-team/learn/blob/main/functional_programming/05_functors.py) | Category Theory and Functors | Category Theory, Functor, fmap, Bifunctor | Basic Python, Functions | 
| [06. Applicatives](https://github.com/marimo-team/learn/blob/main/functional_programming/06_applicatives.py) | Applicative programming with effects | Applicative Functor, pure, apply, Effectful programming, Alternative | Functors |

**Authors.**

Thanks to all our notebook authors!

- [métaboulie](https://github.com/metaboulie)

**Reviewers.**

Thanks to all our notebook reviews!

- [Haleshot](https://github.com/Haleshot)