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> Haskell Core Libraries (base package) Parent Contents Index System.Random Portability portable Stability provisional Maintainer libraries@haskell.org Description Random numbers. class RandomGen g where Methods next :: g -> (Int, g) split :: g -> (g, g) genRange :: g -> (Int, Int) Instances RandomGen StdGen data StdGen Instances RandomGen StdGen Show StdGen Read StdGen mkStdGen :: Int -> StdGen class Random a where Methods random :: (RandomGen g) => g -> (a, g) randomR :: (RandomGen g) => (a, a) -> g -> (a, g) randoms :: (RandomGen g) => g -> [a] randomRs :: (RandomGen g) => (a, a) -> g -> [a] randomIO :: IO a randomRIO :: (a, a) -> IO a Instances Random Int Random Char Random Bool Random Integer Random Double Random Float getStdRandom :: (StdGen -> (a, StdGen)) -> IO a getStdGen :: IO StdGen setStdGen :: StdGen -> IO () newStdGen :: IO StdGen Produced by Haddock version 0.4