1 files changed, 6 insertions, 0 deletions
diff --git a/src/Util.hs b/src/Util.hs
new file mode 100644
index 0000000..99d51f6
--- /dev/null
+++ b/src/Util.hs
@@ -0,0 +1,6 @@
+module Util where
+
+uniq :: Eq a => [a] -> [a]
+uniq (x:y:xs) | x == y    = uniq (x:xs)
+              | otherwise = x : uniq (y:xs)
+uniq xs = xs