Part 4
======

## Installation

```bash
elm-package install
```

(Answer `y` when prompted.)


## Building

```bash
elm-live Main.elm --open --output=elm.js
```

## References

* [Type Annotation syntax reference](http://elm-lang.org/docs/syntax#type-annotations)
* [`type alias` syntax reference](http://elm-lang.org/docs/syntax#type-aliases)