happy_number_with_find_functions.ex

defmodule HappyNumberFinder do

  # def get_sum(number)
 
  def find(number) do
    _find(number, [])
  end

  defp _find(number, guesses) do
    sum = get_sum(number)

    case sum do
      1 -> {:happy}
      _ -> _find(sum, [sum | guesses])
    end
  end
end