{-# LANGUAGE CPP #-} {-# LANGUAGE NoImplicitPrelude #-} {-# LANGUAGE Safe #-} module Functor ( Functor (..) , ($>) , (<$>) , void ) where #if (__GLASGOW_HASKELL__ >= 710) import Data.Functor (Functor (..), void, ($>), (<$>)) #else import Data.Functor (Functor (..), (<$>)) import Data.Function (flip) infixl 4 $> ($>) :: Functor f => f a -> b -> f b ($>) = flip (<$) void :: Functor f => f a -> f () void x = () <$ x #endif