1 files changed, 14 insertions, 0 deletions
diff --git a/src/Xanthous/Util.hs b/src/Xanthous/Util.hs
new file mode 100644
index 000000000000..377b66cf15cf
--- /dev/null
+++ b/src/Xanthous/Util.hs
@@ -0,0 +1,14 @@
+module Xanthous.Util
+  ( EqEqProp(..)
+  , EqProp(..)
+  ) where
+
+import Xanthous.Prelude
+
+import Test.QuickCheck.Checkers
+
+newtype EqEqProp a = EqEqProp a
+  deriving newtype Eq
+
+instance Eq a => EqProp (EqEqProp a) where
+  (=-=) = eq