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-rw-r--r--src/Storage/Internal.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Storage/Internal.hs b/src/Storage/Internal.hs
index 7e593f8..3a05029 100644
--- a/src/Storage/Internal.hs
+++ b/src/Storage/Internal.hs
@@ -154,7 +154,7 @@ newtype Generation = Generation Int
deriving (Eq, Show)
data Head' c a = Head HeadID (Stored' c a)
- deriving (Show)
+ deriving (Eq, Show)
newtype HeadID = HeadID UUID
deriving (Eq, Ord, Show)