module NewtypeZoo.Valid
( Valid(Valid)
, _theValid
, theValid
) 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 Valid a = Valid 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
_theValid :: Valid x -> x
_theValid (Valid !x) = x
{-# INLINE _theValid #-}
theValid :: forall a b p f. (Profunctor p, Functor f) => p a (f b) -> p (Valid a) (f (Valid b))
theValid = dimap _theValid (fmap Valid)
{-# INLINE theValid #-}