Computer Science 61A - Lecture 1: functional programming 1

lecture1.ex

defmodule Lecture1 do
  def  add(list),         do: add(list, 0)
  defp add([h | t], acc), do: add(t, acc + h)
  defp add([], acc),      do: acc
  
  def  mult(list),          do: mult(list, 1)
  defp mult([h | t], acc),  do: mult(t, acc * h)
  defp mult([], acc),       do: acc
end