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-rw-r--r--Utility/Metered.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/Utility/Metered.hs b/Utility/Metered.hs
index f33ad44..7ad9b12 100644
--- a/Utility/Metered.hs
+++ b/Utility/Metered.hs
@@ -25,7 +25,7 @@ type MeterUpdate = (BytesProcessed -> IO ())
{- Total number of bytes processed so far. -}
newtype BytesProcessed = BytesProcessed Integer
- deriving (Eq, Ord)
+ deriving (Eq, Ord, Show)
class AsBytesProcessed a where
toBytesProcessed :: a -> BytesProcessed