There is a post from the author that documents what has diverged between Elixir in Action and Elixir 1.2. More than simply updating code examples, it actually g

There is a post from the author that documents what has diverged between Elixir in Action and Elixir 1.2. More than simply updating code examples, it actually gives context around all of the changes. http://theerlangelist.com/article/eia_elixir_12 http://theerlangelist.com/article/eia_elixir_12