module NewtypeZoo.Required
( Required(Required)
, _theRequired
, theRequired
) where
import Control.DeepSeq (NFData)
import Control.Monad.Fix (MonadFix)
import Control.Monad.Zip (MonadZip)
import Data.Bits (Bits,FiniteBits)
import Data.Copointed (Copointed)
import Data.Default (Default)
import Data.Functor.Classes (Eq1, Ord1, Read1, Show1)
import Data.Functor.Identity
import Data.Ix (Ix)
import Data.Profunctor (Profunctor, dimap)
import Data.Pointed (Pointed)
import Data.String (IsString)
import Data.Typeable (Typeable)
import Foreign.Storable (Storable)
import GHC.Generics (Generic, Generic1)
import System.Random (Random)
import Test.QuickCheck (Arbitrary)
newtype Required a = Required a
deriving ( Eq
, Ord
, Read
, Show
, NFData
, Foldable
, Traversable
, Functor
, Default
, Monoid
, Semigroup
, Typeable
, Generic
, Generic1
, Random
, Arbitrary
, Bounded
, Enum
, Floating
, Fractional
, Integral
, Num
, Real
, RealFloat
, RealFrac
, Ix
, IsString
, Bits
, FiniteBits
)
deriving ( Eq1
, Ord1
, Read1
, Show1
, Pointed
, Copointed
, Applicative
, MonadFix
, Monad
, MonadZip
)
via Identity
_theRequired :: Required x -> x
_theRequired (Required !x) = x
{-# INLINE _theRequired #-}
theRequired :: forall a b p f. (Profunctor p, Functor f) => p a (f b) -> p (Required a) (f (Required b))
theRequired = dimap _theRequired (fmap Required)
{-# INLINE theRequired #-}