Discussion on: Write a function that shows off something unique or interesting about the language you're using

[Nick Vernij]

Pattern matching in elixir can be pretty cool

defmodule Fib do 
  def fib(0) do 0 end
  def fib(1) do 1 end
  def fib(n) do fib(n-1) + fib(n-2) end
end