Another update from ingydotnet^djgoku

Task/Sierpinski-triangle/Elixir/sierpinski-triangle.elixir

@@ -0,0 +1,14 @@
+defmodule RC do
+  def sierpinski_triangle(n) do
+    f = fn(x) -> IO.puts "#{x}" end
+    Enum.each(triangle(n, ["*"], " "), f)
+  end
+
+  defp triangle(0, down, _), do: down
+  defp triangle(n, down, sp) do
+    newDown = (for x <- down, do: sp<>x<>sp) ++ (for x <- down, do: x<>" "<>x)
+    triangle(n-1, newDown, sp<>sp)
+  end
+end
+
+RC.sierpinski_triangle(4)