{-# OPTIONS_GHC -fno-warn-orphans #-} {-| Module: Instances.System.Random Copyright: (C) 2014-2017 Ryan Scott License: BSD-style (see the file LICENSE) Maintainer: Ryan Scott Stability: Provisional Portability: GHC Provides an 'Arbitrary' instance for 'StdGen' values. -} module Instances.System.Random () where import Prelude () import Prelude.Compat import System.Random (StdGen, mkStdGen) import Test.QuickCheck (Arbitrary(..)) instance Arbitrary StdGen where arbitrary = mkStdGen <$> arbitrary