datastructures

#            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.Array do
  @type i :: integer
  @type v :: any

  @spec fetch(t, i) :: { :ok, v } | :error
  def fetch(self, index)

  @spec set(t, i, v) :: t
  def set(self, index, value)
end