nwalker

defmodule Constants do
  defmodule Extractor do
    require Record
    Record.defrecord :tree, [:type, :pos, data: :undefined]
    Record.defrecord :attr, :attribute, [:name, :args]

    def extract(opts) do
      cond do
        lib = opts[:from_lib] -> from_lib_file(lib)
        file = opts[:from_file] -> from_file(file)