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|
{-# LANGUAGE CPP #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE KindSignatures #-}
{-# LANGUAGE MagicHash #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
#if __GLASGOW_HASKELL__ >= 708
{-# LANGUAGE EmptyCase #-}
#endif
{-|
Module: ShowSpec
Copyright: (C) 2015-2017 Ryan Scott
License: BSD-style (see the file LICENSE)
Maintainer: Ryan Scott
Portability: Template Haskell
@hspec@ tests for derived 'Show', 'Show1', and 'Show2' instances.
-}
module ShowSpec where
import Data.Deriving
import GHC.Exts ( Char#, Double#, Float#, Int#, Word#
#if MIN_VERSION_base(4,13,0)
, Int8#, Int16#, Word8#, Word16#
#endif
#if MIN_VERSION_base(4,16,0)
, Int32#, Word32#
#endif
)
import Prelude ()
import Prelude.Compat
import Test.Hspec
import Types.ReadShow ()
-------------------------------------------------------------------------------
-- Plain data types
data TyCon# a b = TyCon# {
tcA :: a
, tcB :: b
, tcInt# :: Int#
, tcFloat# :: Float#
, tcDouble# :: Double#
, tcChar# :: Char#
, tcWord# :: Word#
#if MIN_VERSION_base(4,13,0)
, tcInt8# :: Int8#
, tcInt16# :: Int16#
, tcWord8# :: Word8#
, tcWord16# :: Word16#
#endif
#if MIN_VERSION_base(4,16,0)
, tcInt32# :: Int32#
, tcWord32# :: Word32#
#endif
}
data TyCon2 a b c d where
TyConClassConstraints :: (Ord m, Ord n, Ord o, Ord p)
=> m -> n -> o -> p
-> TyCon2 m n o p
TyConEqualityConstraints :: (e ~ g, f ~ h, e ~ f)
=> e -> f -> g -> h
-> TyCon2 e f g h
TyConTypeRefinement1,
TyConTypeRefinement2 :: Int -> z
-> TyCon2 Int Int z z
TyConForalls :: forall p q r s t u.
(Show p, Show q)
=> p -> q -> u -> t
-> TyCon2 r s t u
data Empty1 a b
data Empty2 a b
-- Data families
data family TyFamily# y z :: *
data instance TyFamily# a b = TyFamily# {
tfA :: a
, tfB :: b
, tfInt# :: Int#
, tfFloat# :: Float#
, tfDouble# :: Double#
, tfChar# :: Char#
, tfWord# :: Word#
#if MIN_VERSION_base(4,13,0)
, tfInt8# :: Int8#
, tfInt16# :: Int16#
, tfWord8# :: Word8#
, tfWord16# :: Word16#
#endif
#if MIN_VERSION_base(4,16,0)
, tfInt32# :: Int32#
, tfWord32# :: Word32#
#endif
}
data family TyFamily2 w x y z :: *
data instance TyFamily2 a b c d where
TyFamilyClassConstraints :: (Ord m, Ord n, Ord o, Ord p)
=> m -> n -> o -> p
-> TyFamily2 m n o p
TyFamilyEqualityConstraints :: (e ~ g, f ~ h, e ~ f)
=> e -> f -> g -> h
-> TyFamily2 e f g h
TyFamilyTypeRefinement1,
TyFamilyTypeRefinement2 :: Int -> z
-> TyFamily2 Int Int z z
TyFamilyForalls :: forall p q r s t u.
(Show p, Show q)
=> p -> q -> u -> t
-> TyFamily2 r s t u
-------------------------------------------------------------------------------
-- Plain data types
$(deriveShow ''TyCon#)
$(deriveShow ''TyCon2)
$(deriveShow ''Empty1)
$(deriveShow1 ''TyCon#)
$(deriveShow1 ''TyCon2)
$(deriveShow1 ''Empty1)
#if defined(NEW_FUNCTOR_CLASSES)
$(deriveShow2 ''TyCon#)
$(deriveShow2 ''TyCon2)
$(deriveShow2 ''Empty1)
#endif
-- Use EmptyCase here
$(deriveShowOptions defaultShowOptions{ showEmptyCaseBehavior = True } ''Empty2)
$(deriveShow1Options defaultShowOptions{ showEmptyCaseBehavior = True } ''Empty2)
#if defined(NEW_FUNCTOR_CLASSES)
$(deriveShow2Options defaultShowOptions{ showEmptyCaseBehavior = True } ''Empty2)
#endif
#if MIN_VERSION_template_haskell(2,7,0)
-- Data families
$(deriveShow 'TyFamily#)
$(deriveShow 'TyFamilyClassConstraints)
$(deriveShow1 'TyFamily#)
$(deriveShow1 'TyFamilyEqualityConstraints)
# if defined(NEW_FUNCTOR_CLASSES)
$(deriveShow2 'TyFamily#)
$(deriveShow2 'TyFamilyTypeRefinement1)
# endif
#endif
-------------------------------------------------------------------------------
main :: IO ()
main = hspec spec
spec :: Spec
spec = pure ()
|
