Music.Time.Internal.Util

Description

Synopsis

• showRatio :: (Integral a, Show a) => Ratio a -> String
• list :: r -> ([a] -> r) -> [a] -> r
• single :: Prism' [a] a
• inspecting :: Eq a => (b -> a) -> b -> b -> Bool
• inspectingBy :: (b -> a) -> (a -> a -> Bool) -> b -> b -> Bool
• withPrevNext :: [a] -> [(Maybe a, a, Maybe a)]
• rotate :: Int -> [a] -> [a]
• tripped :: Iso ((a, b), c) ((d, e), f) (a, b, c) (d, e, f)
• through :: Applicative f => Lens' s a -> Lens s t a b -> Lens (f s) (f t) (f a) (f b)
• uncurry3 :: (a -> b -> c -> d) -> (a, b, c) -> d
• partial :: (a -> Bool) -> a -> Maybe a
• partial2 :: (a -> b -> Bool) -> a -> b -> Maybe b
• partial3 :: (a -> b -> c -> Bool) -> a -> b -> c -> Maybe c
• _zipList :: Iso [a] [b] (ZipList a) (ZipList b)
• dependingOn :: Lens s t (x, a) (x, b) -> (x -> Lens a b c d) -> Lens s t c d

Documentation

rotate n xs == id iff (n `mod` length xs) == 0
rotate (-n) . rotate n == id