text-show-1: tests/Instances/Data/Type/Coercion.hs
{-# LANGUAGE CPP #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
{-|
Module: Instances.Data.Type.Coercion
Copyright: (C) 2014-2015 Ryan Scott
License: BSD-style (see the file LICENSE)
Maintainer: Ryan Scott
Stability: Provisional
Portability: GHC
'Arbitrary' instance for 'Coercion'.
-}
module Instances.Data.Type.Coercion () where
#if MIN_VERSION_base(4,7,0)
import Data.Coerce (Coercible)
import Data.Type.Coercion (Coercion(..))
import Prelude ()
import Prelude.Compat
import Test.QuickCheck (Arbitrary(..))
instance Coercible a b => Arbitrary (Coercion a b) where
arbitrary = pure Coercion
#endif