System.Random.XRayCustom

Helpful functions that should have been included in System.Random.

Documentation

withRandomGenIORef :: RandomGen g => IORef g -> (g -> (a, g)) -> IO a

Like getStdRandom, except use a given 'IORef StdGen' instead of the global theStdGen.

replicateRandom :: RandomGen g => Int -> g -> (g -> (a, g)) -> ([a], g)

Runs the supplied function a specified number of times, each time using the new RandomGen value.