smaller changes

lib/CheckMap.hs

@@ -155,11 +155,10 @@ checkLayerRec config depth layers =
 
         -- Lintresults for sublayers and subsublayers etc.
         subresults' =
-          checkLayerRec config depth
-          $ sublayers
+          checkLayerRec config depth sublayers
 
         -- lintresult for the parent layer
-        parentResult = runLintWriter config parentAdjusted depth (checkLayer)
+        parentResult = runLintWriter config parentAdjusted depth checkLayer
 
         -- the parent layer with adjusted sublayers
         parentAdjusted =

lib/LintWriter.hs

 {-# LANGUAGE DeriveAnyClass    #-}
+{-# LANGUAGE DeriveFunctor     #-}
 {-# LANGUAGE DeriveGeneric     #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE FlexibleInstances #-}
@@ -7,7 +8,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE RankNTypes        #-}
 {-# LANGUAGE TupleSections     #-}
-{-# LANGUAGE DeriveFunctor     #-}
 {-# OPTIONS_GHC -Wno-missing-signatures #-}
 
 -- | a monad that collects warnings, outputs, etc,