Add strict tuples

src/Dodge/DisplayInventory.hs

@@ -8,6 +8,7 @@ module Dodge.DisplayInventory (
     toggleCombineInv,
 ) where
 
+import qualified Data.Strict.Tuple as STup
 import Control.Applicative
 import Control.Lens
 import Control.Monad
@@ -90,10 +91,9 @@ updateInventoryPositioning u =
         %~ checkInventorySelectionExists
 
 checkInventorySelectionExists :: World -> World
-checkInventorySelectionExists w =
-    case w ^? hud . hudElement . diSections . ix i . ssItems . ix j of
-        Nothing -> scrollAugNextInSection w
-        _ -> w
+checkInventorySelectionExists w
+    | isJust $ w ^? hud . hudElement . diSections . ix i . ssItems . ix j = w
+    | otherwise = scrollAugNextInSection w
   where
     (i, j, _) = fromMaybe (1, -1, mempty) $ w ^? hud . hudElement . diSelection . _Just
 
@@ -279,14 +279,8 @@ updateSectionsPositioning f h mselpos allavailablelines lsss sss =
     ls = IM.fromList lsss
     -- defaults non-existing offsets to 0
     g = merge (mapMissing (const ($ 0))) dropMissing (zipWithMatched (const ($)))
-    --lk = maybe [] ((: []) . fst) mselpos
     lk = mselpos ^.. _Just . _1
-    ssizes =
-        sectionsSizes
-            allavailablelines
-            f
-            lk
-            $ sectionsDesiredLines ls
+    ssizes = sectionsSizes allavailablelines f lk $ sectionsDesiredLines ls
 
 updateSection ::
     Int ->
@@ -300,7 +294,7 @@ updateSection indent mcsel sis availablelines oldoffset =
         { _ssItems = sis
         , _ssOffset = offset
         , _ssShownItems =
-            tweakfirst . tweaklast . map snd $
+            tweakfirst . tweaklast . map (^. _2) $
                 take availablelines shownstrings
         , _ssIndent = indent
         }
@@ -335,10 +329,10 @@ updateSection indent mcsel sis availablelines oldoffset =
     allstrings = foldMap listSelectionColorPicture sis
     shownstrings = drop offset allstrings
 
-listSelectionColorPicture :: SelectionItem a -> [(Color, Picture)]
+listSelectionColorPicture :: SelectionItem a -> [STup.Pair Color Picture]
 listSelectionColorPicture si = g <$> _siPictures si
   where
-    g str = (_siColor si, translate lindent 0 . color (_siColor si) $ text str)
+    g str = _siColor si STup.:!: translate lindent 0 (color (_siColor si) $ text str)
     lindent = 100 * fromIntegral (_siOffX si)
 
 regexList :: String -> [String] -> Bool