Initial data commit

Task/Box-the-compass/Elixir/box-the-compass.elixir

@@ -0,0 +1,24 @@
+defmodule Box do
+  defp head do
+    Enum.chunk(~w(north east south west north), 2, 1)
+    |> Enum.flat_map(fn [a,b] ->
+         c = if a=="north" or a=="south", do: "#{a}#{b}", else: "#{b}#{a}"
+         [ a, "#{a} by #{b}", "#{a}-#{c}", "#{c} by #{a}",
+           c, "#{c} by #{b}", "#{b}-#{c}", "#{b} by #{a}" ]
+       end)
+    |> Enum.with_index
+    |> Enum.map(fn {s, i} -> {i+1, String.capitalize(s)} end)
+    |> Map.new
+  end
+
+  def compass do
+    header = head()
+    angles = Enum.map(0..32, fn i -> i * 11.25 + elem({0, 5.62, -5.62}, rem(i, 3)) end)
+    Enum.each(angles, fn degrees ->
+      index = rem(round(32 * degrees / 360), 32) + 1
+      :io.format "~2w  ~-20s ~6.2f~n", [index, header[index], degrees]
+    end)
+  end
+end
+
+Box.compass