dskecse · October 12, 2015 12:59
diff --git a/recursive.exs b/recursive.exs
 defmodule Recursive do
  def len([]), do: 0
  def len([_head | tail]), do: 1 + len(tail)
 end

 IO.puts Recursive.len([1, 2, 3])
 # => 3
	defmodule Recursive do
	def len([]), do: 0
	def len([_head \| tail]), do: 1 + len(tail)
	end

	IO.puts Recursive.len([1, 2, 3])
	# => 3