1 files changed, 1 insertions, 0 deletions
diff --git a/src/Test.hs b/src/Test.hs
index d16b997..61f2e3d 100644
--- a/src/Test.hs
+++ b/src/Test.hs
@@ -31,6 +31,7 @@ data Test = Test
     }
 
 data Tag = Tag ModuleName VarName
+    deriving (Eq)
 
 instance ExprType Tag where
     textExprType _ = "Tag"