|
module Random( random ) where random :: (Integer,Integer) -> Integer -> [Integer] randomIO :: (Integer,Integer) -> IO [Integer] |
The Random library is a standard interface to a random value generator. The random function takes two arguments, a pair of integers (l,h) which represents the range of the random values that are to be generated, and an integer seed. It produces a list of random values as its result. The range of values is exactly as given by the range operation, that is [l..h]. The error function is called if this range is empty. The randomIO function is similar to random except that it obtains an initial seed in some system-dependent manner.