Jeweller-Tsai · August 6, 2016 04:06
diff --git a/weekdays_in_july.ex b/weekdays_in_july.ex
 def july do
  1..31
  |> Enum.map(fn i ->
      {:ok, d} = Date.new 2016, 7, i
      d
  end)
  |> Enum.filter(fn d ->
      !weekend?(d)
  end)
 end

 def weekend? date do
  weekday = date |> Date.to_erl |> :calendar.day_of_the_week
  weekday > 5
 end
	def july do
	1..31
	\|> Enum.map(fn i ->
	{:ok, d} = Date.new 2016, 7, i
	d
	end)
	\|> Enum.filter(fn d ->
	!weekend?(d)
	end)
	end

	def weekend? date do
	weekday = date \|> Date.to_erl \|> :calendar.day_of_the_week
	weekday > 5
	end