Test.Framework.Seed

Documentation

data Seed

Constructors

FixedSeed Int

RandomSeed

Instances

Read Seed

Methods

readsPrec :: Int -> ReadS Seed

readList :: ReadS [Seed]

readPrec :: ReadPrec Seed

readListPrec :: ReadPrec [Seed]

Show Seed

Methods

showsPrec :: Int -> Seed -> ShowS

show :: Seed -> String

showList :: [Seed] -> ShowS

newSeededStdGen :: Seed -> IO (StdGen, Int)

Given a Seed, returns a new random number generator based on that seed and the actual numeric seed that was used to build that generator, so it can be recreated.

newStdGenWithKnownSeed :: IO (StdGen, Int)