zacck-zz · October 26, 2017 09:40
diff --git a/recursion.ex b/recursion.ex

 prices = [12,45,78,90]
 defmodule Total do 
  def totaller([h|t],tot) do 
   totaller(t, tot+h)
  end
  
  def totaller([],tot), do: tot
 end 

 IO.puts Total.totaller(prices, 0)
 # => 225

	prices = [12,45,78,90]
	defmodule Total do
	def totaller([h\|t],tot) do
	totaller(t, tot+h)
	end

	def totaller([],tot), do: tot
	end

	IO.puts Total.totaller(prices, 0)
	# => 225