Clean bench

bench/Bench.hs

@@ -15,7 +15,7 @@ paths =
     ]
 
 solutions :: [(Integer, [Day], FilePath)]
-solutions = filter (\(n, d, p) -> length d > 1) $ zip3 [1 ..] days paths
+solutions = filter (\(n, d, p) -> not (null d)) $ zip3 [1 ..] days paths
 
 makeGroup :: (Show a) => (a, [Day], FilePath) -> Benchmark
 makeGroup (n, d, f) =
@@ -33,5 +33,5 @@ makeBenchmarks f = zipWith name [1 ..] . map (makeBench f)
 groups :: [Benchmark]
 groups = map makeGroup solutions
 
-main =
-    defaultMain groups
+main :: IO ()
+main = defaultMain groups

src/Days/D04.hs

@@ -11,14 +11,14 @@ type Intermediate = [(Interval, Interval)]
 
 makeInterval :: (Ord a) => a -> a -> (a, a)
 makeInterval a b
-    | a > b = (b, a)
-    | otherwise = (a, b)
+  | a > b = (b, a)
+  | otherwise = (a, b)
 
 parser :: Parser Intermediate
 parser = someLines ((,) <$> interval <* char ',' <*> interval)
-  where
-    interval :: Parser Interval
-    interval = makeInterval <$> number <* char '-' <*> number
+ where
+  interval :: Parser Interval
+  interval = makeInterval <$> number <* char '-' <*> number
 
 contains :: Interval -> Interval -> Bool
 contains (a, b) (c, d) = a <= c && b >= d
@@ -29,9 +29,6 @@ overlap (a, b) (c, d) = not (b < c || a > d)
 sym :: (a -> a -> Bool) -> (a -> a -> Bool)
 sym f a b = f a b || f b a
 
-pairFilter :: (a -> b -> Bool) -> [(a, b)] -> [(a, b)]
-pairFilter f = filter (uncurry f)
-
 part1 :: Intermediate -> Int
 part1 = count (uncurry $ sym contains)
 

src/Days/D05.hs

@@ -72,6 +72,3 @@ part2 = uncurry ((fmap head .) . foldl (move CM9001))
 
 day :: Day
 day = parsecDay parser (definitive . part1, definitive . part2)
-
-fast :: Day
-fast = day

src/Lib.hs

@@ -30,5 +30,5 @@ days =
     , [D02.day]
     , [D03.day]
     , [D04.day]
-    , [D05.day, D05.fast]
+    , [D05.day]
     ]