1 files changed, 6 insertions, 3 deletions
diff --git a/src/code/2/qs.exs b/src/code/2/qs.exs
index 38c90c9..5e244d3 100644
--- a/src/code/2/qs.exs
+++ b/src/code/2/qs.exs
@@ -1,10 +1,13 @@
 defmodule Quicksort do
   def sort([]), do: []
   def sort([h|t]) do
-    lower = t |> Enum.filter(&(&1 <= h))
-    upper = t |> Enum.filter(&(&1 > h))
+    {lower, upper} = t |> Enum.partition(&(&1 <= h))
     sort(lower) ++ [h] ++ sort(upper)
   end
 end
 
-1..10 |> Enum.shuffle |> Quicksort.sort |> IO.inspect
+1..10
+  |> Enum.shuffle
+  |> IO.inspect
+  |> Quicksort.sort
+  |> IO.inspect