# Functional Programming

## Common and Useful Functions
(syntax is scala, search for Rust/Python equivalents)

### Lists
- `flatten` : turn a list of lists into a singular, flat list
- `map` : turn a list of objects into a list of a certain attribute of all of the objects
- `flatmap` : map an object, then flatten the resulting list of lists
- `filter` : filter a list of objects by an attribute


## Sources
- Grokking Functional Programming by Michal Plachta