Another update from ingydotnet^djgoku

Task/Date-format/Elixir/date-format.elixir

@@ -0,0 +1,25 @@
+defmodule Date do
+  def iso_date, do: iso_date(:erlang.date)
+
+  def iso_date(year, month, day), do: iso_date({year, month, day})
+
+  def iso_date(date), do:
+    :io.format("~4b-~2..0B-~2..0B~n", Tuple.to_list(date))
+
+  def long_date, do: long_date(:erlang.date)
+
+  def long_date(year, month, day), do: long_date({year, month, day})
+
+  def long_date(date = {year, month, day}) do
+    months = { "January", "February", "March",     "April",   "May",      "June",
+               "July",    "August",   "September", "October", "November", "December" }
+    weekdays = { "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" }
+    weekday  = :calendar.day_of_the_week(date)
+    IO.puts "#{elem(weekdays, weekday-1)}, #{elem(months, month-1)} #{day}, #{year}"
+  end
+end
+
+Date.iso_date
+Date.iso_date(2007,11,10)
+Date.long_date
+Date.long_date(2007,11,10)