# som
> An idiot admires complexity, a genius admires simplicity.
```rust
let fib = fn(n ~ int){
n if n < 2 else fib(n - 1) + fib(n - 2)
}
-> int
fib(10)
```
```rust
type Option<T> = Some(T) | None
type Rgb = { r ~ int, g ~ int, b ~ int }
type Color = Red
| Green
| Blue
| Hex(string)
| Rgb(Rgb)
fn print_color(color ~ Color)
print(color)
```