Remove unnecessary parens

src/Unused/TermSearch.hs

@@ -9,13 +9,13 @@ search t = do
     results <- ag t
     return $ linesMap prefixTerm results
   where
-    prefixTerm = ((++) t)
+    prefixTerm = (++ t)
 
 linesMap :: (String -> String) -> String -> [String]
 linesMap f =
     filter empty . map f . lines
   where
-    empty = ((/=) 0) . length
+    empty = (/= 0) . length
 
 ag :: String -> IO String
 ag t = do

src/Unused/Types.hs

@@ -107,10 +107,10 @@ responseForPath s =
     filterVByPath . filterKVByPath
   where
     filterVByPath = Map.map (updateMatchesWith newMatches)
-    filterKVByPath = Map.filterWithKey (\_ a -> s `elem` allPaths a)
+    filterKVByPath = Map.filterWithKey (const $ \a -> s `elem` allPaths a)
     allPaths = fmap (fileNameGrouping . tmPath) . trMatches
     updateMatchesWith f tr = tr { trMatches = f tr }
-    newMatches = (filter (((==) s) . fileNameGrouping . tmPath) . trMatches)
+    newMatches = (filter ((== s) . fileNameGrouping . tmPath) . trMatches)
 
 fileNameGrouping :: String -> DirectoryPrefix
 fileNameGrouping =

src/Unused/Util.hs

@@ -8,5 +8,5 @@ groupBy :: Eq b => (a -> b) -> [a] -> [(b, [a])]
 groupBy f l =
     fmap (\t -> (t, byTerm t)) uniqueTerms
   where
-    byTerm t = filter (((==) t) . f) l
+    byTerm t = filter ((== t) . f) l
     uniqueTerms = nub $ fmap f l