Safe Haskell	Safe-Inferred
Language	Haskell2010

Test.Framework.Seed

Synopsis

data Seed
- = FixedSeed Int
- | RandomSeed
newSeededStdGen :: Seed -> IO (StdGen, Int)
newStdGenWithKnownSeed :: IO (StdGen, Int)

Documentation

data Seed Source #

Constructors

FixedSeed Int
RandomSeed

Instances

Instances details

Read Seed Source #
Instance details Defined in Test.Framework.Seed Methods readsPrec :: Int -> ReadS Seed readList :: ReadS [Seed] readPrec :: ReadPrec Seed readListPrec :: ReadPrec [Seed]
Show Seed Source #
Instance details Defined in Test.Framework.Seed Methods showsPrec :: Int -> Seed -> ShowS show :: Seed -> String showList :: [Seed] -> ShowS

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

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) Source #