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{-# OPTIONS_GHC -fno-warn-orphans #-}
{-|
Module: Instances.Control.Monad.ST
Copyright: (C) 2014-2017 Ryan Scott
License: BSD-style (see the file LICENSE)
Maintainer: Ryan Scott
Stability: Provisional
Portability: GHC
'Arbitrary' instance for 'ST'.
-}
module Instances.Control.Monad.ST () where
import Control.Monad.ST (ST, fixST)
import Prelude ()
import Prelude.Compat
import Test.QuickCheck (Arbitrary(..))
instance Arbitrary (ST s a) where
arbitrary = pure $ fixST undefined
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