defmodule Pass do
  defstruct passline: ""
  def parse_input(input_string) do
    %Pass{passline: input_string}
  end
  def valid(pass) do
    ["byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid"]
    |> Enum.map(&(pass.passline =~ &1))
    |> Enum.all?(&(&1 == true))
  end
end