Remove Hadrian's copy of (Data.Functor.<&>)

The function was added to base with base-4.11 (GHC 8.4)

1 files changed, 1 insertions, 11 deletions

diff --git a/hadrian/src/Hadrian/Utilities.hs b/hadrian/src/Hadrian/Utilities.hs
index 7419722b3f..81b76a8db5 100644
--- a/hadrian/src/Hadrian/Utilities.hs
+++ b/hadrian/src/Hadrian/Utilities.hs
@@ -38,6 +38,7 @@ import Control.Applicative
 import Control.Monad.Extra
 import Data.Char
 import Data.Dynamic (Dynamic, fromDynamic, toDyn)
+import Data.Functor
 import Data.HashMap.Strict (HashMap)
 import Data.List (isPrefixOf)
 import Data.List.Extra
@@ -283,17 +284,6 @@ buildRootRules = do
     BuildRoot path <- userSettingRules (BuildRoot "")
     return path
 
--- | A version of 'fmap' with flipped arguments. Useful for manipulating values
--- in context, e.g. 'buildRoot', as in the example below.
---
--- @
--- buildRoot <&> (-/- "dir") == fmap (-/- "dir") buildRoot
--- @
-(<&>) :: Functor f => f a -> (a -> b) -> f b
-(<&>) = flip fmap
-
-infixl 1 <&>
-
 -- | Given a 'FilePath' to a source file, return 'True' if it is generated.
 -- The current implementation simply assumes that a file is generated if it
 -- lives in the 'buildRoot' directory. Since most files are not generated the