1 files changed, 7 insertions, 0 deletions
diff --git a/Utils.hs b/Utils.hs
new file mode 100644
index 0000000..65bb651
--- /dev/null
+++ b/Utils.hs
@@ -0,0 +1,7 @@
+module Utils where
+
+
+uniq :: Eq a => [a] -> [a]
+uniq (a:b:cs) | a == b = uniq (b:cs)
+              | otherwise = a : uniq (b:cs)
+uniq l = l