som

An idiot admires complexity, a genius admires simplicity.

let fib = fn(n ~ int){
    n if n < 2 else fib(n - 1) + fib(n - 2)
}

fib(10)

type Option<T> = Some(T) | None

type Rgb = { r ~ int, g ~ int, b ~ int }

type Color = Red 
           | Green 
           | Blue 
           | Hex(string) 
           | Rgb(Rgb)

let print_color = fn(color ~ Color) print(color)