import Layout from '../components/layout'
import SEO from '../components/seo'
import { Link } from 'gatsby'

<SEO title="Home" keywords={['gatsby', 'application', 'react']} />

# Optional

```purescript
--result Hello World
module Main where
import Grimoire

incantation :: Effect Unit
--start here
incantation = cast $
  "{-Hello-}" <> " " <> "{-World-}"
--end here
```

---

```purescript
--result Hello World
module Main where
import Grimoire

incantation :: Effect Unit
--start here
incantation = cast $
  "{-Hello World-}"
--end here
```

--- 

## Hans Hölzel

---

Guter Mann

<Link to="/optional/">Go to the first exercise</Link>