Merge pull request #5921 from k-mx/master

Challenge-160/1 by Maxim Kolodyazhny

1 files changed, 22 insertions, 0 deletions

diff --git a/challenge-160/maxim-kolodyazhny/elixir/four_is_magic.ex b/challenge-160/maxim-kolodyazhny/elixir/four_is_magic.ex
new file mode 100644
index 0000000000..17e5536f74
--- /dev/null
+++ b/challenge-160/maxim-kolodyazhny/elixir/four_is_magic.ex
@@ -0,0 +1,22 @@
+defmodule FourIsMagic do
+  def encode(n) when n in 1..9, do: encode(n, [])
+  defp encode(4, io), do: [io, "four is magic."] |> to_string |> String.capitalize()
+
+  defp encode(n, io) do
+    names = %{
+      1 => "one",
+      2 => "two",
+      3 => "three",
+      4 => "four",
+      5 => "five",
+      6 => "six",
+      7 => "seven",
+      8 => "eight",
+      9 => "nine"
+    }
+
+    name_len = (n_name = names[n]) |> String.length()
+
+    encode(name_len, [io, n_name, " is #{names[name_len]}, "])
+  end
+end