#            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
#                    Version 2, December 2004
#
#            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
#   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
#
#  0. You just DO WHAT THE FUCK YOU WANT TO.

defprotocol Data.Counted do
  @spec count(t) :: non_neg_integer
  def count(self)
end

defimpl Data.Counted, for: List do
  def count(self) do
    length(self)
  end
end