More tidying

diff --git a/advent11.hs b/advent11.hs
index af048de2f7090c05d09ebd1a68b9a058eb386396..58215fd6da22ec671ee05f3b22d21d66ea734ca3 100644 (file)
--- a/advent11.hs
+++ b/advent11.hs
@@ -110,10 +110,8 @@ legalSuccessors :: [Building] -> [Building]
 legalSuccessors = filter (isLegal)
 
 updateBuilding :: Int -> [Floor] -> Int -> [Item] -> Building
--- updateBuilding f floors _ _ = Building f floors
 updateBuilding oldF oldFloors newF items = Building newF newFloors
-    where numberedFloors = zip [0..] oldFloors
-          newFloors = map (updateFloor) numberedFloors
+    where newFloors = map (updateFloor) $ zip [0..] oldFloors
           updateFloor (f, fl) 
             | f == oldF = sort $ fl \\ items
             | f == newF = sort $ items ++ fl