QuickCheck-2.9.2: Automatic testing of Haskell programs

Safe HaskellTrustworthy
LanguageHaskell98

Test.QuickCheck.Random

Description

A wrapper around the system random number generator. Internal QuickCheck module.

Synopsis

Documentation

newTheGen :: IO TFGen #

bits :: Integral a => a #

mask :: Integral a => a #

doneBit :: Integral a => a #

chip :: Bool -> Word32 -> TFGen -> TFGen #

chop :: Integer -> Integer #

stop :: Integral a => a -> Bool #

mkTheGen :: Int -> TFGen #

newtype QCGen #

The "standard" QuickCheck random number generator. A wrapper around either TFGen on GHC, or StdGen on other Haskell systems.

Constructors

QCGen TFGen 

Instances

Read QCGen # 

Methods

readsPrec :: Int -> ReadS QCGen

readList :: ReadS [QCGen]

readPrec :: ReadPrec QCGen

readListPrec :: ReadPrec [QCGen]

Show QCGen # 

Methods

showsPrec :: Int -> QCGen -> ShowS

show :: QCGen -> String

showList :: [QCGen] -> ShowS

RandomGen QCGen # 

Methods

next :: QCGen -> (Int, QCGen) #

genRange :: QCGen -> (Int, Int) #

split :: QCGen -> (QCGen, QCGen) #

newQCGen :: IO QCGen #

mkQCGen :: Int -> QCGen #

bigNatVariant :: Integer -> TFGen -> TFGen #

natVariant :: Integral a => a -> TFGen -> TFGen #

variantTheGen :: Integral a => a -> TFGen -> TFGen #

boolVariant :: Bool -> TFGen -> TFGen #

variantQCGen :: Integral a => a -> QCGen -> QCGen #