fradrive/src/Data/Maybe/Instances.hs
2020-08-10 21:59:16 +02:00

14 lines
259 B
Haskell

{-# OPTIONS_GHC -fno-warn-orphans #-}
module Data.Maybe.Instances
(
) where
import ClassyPrelude
import Text.Blaze (ToMarkup(..), string)
instance ToMarkup a => ToMarkup (Maybe a) where
toMarkup Nothing = string ""
toMarkup (Just x) = toMarkup x