Pick the color

Author: venriq

lib/identicon.ex

@@ -9,6 +9,7 @@ defmodule Identicon do
   def main(input) do
     input
     |> hash_input()
+    |> pick_color()
   end
 
   @doc """
@@ -21,4 +22,8 @@ defmodule Identicon do
 
     %Identicon.Image{hex: hex}
   end
+
+  def pick_color(%Identicon.Image{hex: [r, g, b | _rest]} = image) do
+    %Identicon.Image{image | color: {r, g, b}}
+  end
 end

lib/image.ex

@@ -3,5 +3,6 @@ defmodule Identicon.Image do
   Documentation for `Identicon.Image`.
   """
 
-  defstruct hex: nil
+  defstruct hex: nil,
+            color: nil
 end