fradrive/src/Data/Sum/Instances.hs
2019-06-26 10:06:58 +02:00

13 lines
241 B
Haskell

{-# OPTIONS_GHC -fno-warn-orphans #-}
module Data.Sum.Instances
(
) where
import ClassyPrelude
import Data.Monoid (Sum(..))
import Text.Blaze (ToMarkup(..))
instance ToMarkup a => ToMarkup (Sum a) where
toMarkup = toMarkup . getSum