License	BSD-style
Maintainer	Vincent Hanquez <vincent@snarc.org>
Stability	experimental
Portability	portable
Safe Haskell	Safe-Inferred
Language	Haskell2010

Basement.Compat.Identity

Description

Identity re-export, with a compat wrapper for older version of base that do not have Data.Functor.Identity

Synopsis

newtype Identity a = Identity {
- runIdentity :: a
}

Documentation

newtype Identity a Source #

Identity functor and monad. (a non-strict monad)

Since: base-4.8.0.0

Constructors

Identity
Fields runIdentity :: a

Instances

Instances details

Monad Identity	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods (>>=) :: Identity a -> (a -> Identity b) -> Identity b Source # (>>) :: Identity a -> Identity b -> Identity b Source # return :: a -> Identity a Source #
Functor Identity	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods fmap :: (a -> b) -> Identity a -> Identity b Source # (<$) :: a -> Identity b -> Identity a Source #
MonadFix Identity	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods mfix :: (a -> Identity a) -> Identity a Source #
Applicative Identity	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods pure :: a -> Identity a Source # (<>) :: Identity (a -> b) -> Identity a -> Identity b Source # liftA2 :: (a -> b -> c) -> Identity a -> Identity b -> Identity c Source # (>) :: Identity a -> Identity b -> Identity b Source # (<*) :: Identity a -> Identity b -> Identity a Source #
Foldable Identity	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods fold :: Monoid m => Identity m -> m Source # foldMap :: Monoid m => (a -> m) -> Identity a -> m Source # foldMap' :: Monoid m => (a -> m) -> Identity a -> m Source # foldr :: (a -> b -> b) -> b -> Identity a -> b Source # foldr' :: (a -> b -> b) -> b -> Identity a -> b Source # foldl :: (b -> a -> b) -> b -> Identity a -> b Source # foldl' :: (b -> a -> b) -> b -> Identity a -> b Source # foldr1 :: (a -> a -> a) -> Identity a -> a Source # foldl1 :: (a -> a -> a) -> Identity a -> a Source # toList :: Identity a -> [a] Source # null :: Identity a -> Bool Source # length :: Identity a -> Int Source # elem :: Eq a => a -> Identity a -> Bool Source # maximum :: Ord a => Identity a -> a Source # minimum :: Ord a => Identity a -> a Source # sum :: Num a => Identity a -> a Source # product :: Num a => Identity a -> a Source #
Traversable Identity	Since: base-4.9.0.0
Instance details Defined in Data.Traversable Methods traverse :: Applicative f => (a -> f b) -> Identity a -> f ( Identity b) Source # sequenceA :: Applicative f => Identity (f a) -> f ( Identity a) Source # mapM :: Monad m => (a -> m b) -> Identity a -> m ( Identity b) Source # sequence :: Monad m => Identity (m a) -> m ( Identity a) Source #
Bounded a => Bounded ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods minBound :: Identity a Source # maxBound :: Identity a Source #
Enum a => Enum ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods succ :: Identity a -> Identity a Source # pred :: Identity a -> Identity a Source # toEnum :: Int -> Identity a Source # fromEnum :: Identity a -> Int Source # enumFrom :: Identity a -> [ Identity a] Source # enumFromThen :: Identity a -> Identity a -> [ Identity a] Source # enumFromTo :: Identity a -> Identity a -> [ Identity a] Source # enumFromThenTo :: Identity a -> Identity a -> Identity a -> [ Identity a] Source #
Eq a => Eq ( Identity a)	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods (==) :: Identity a -> Identity a -> Bool Source # (/=) :: Identity a -> Identity a -> Bool Source #
Floating a => Floating ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods pi :: Identity a Source # exp :: Identity a -> Identity a Source # log :: Identity a -> Identity a Source # sqrt :: Identity a -> Identity a Source # (**) :: Identity a -> Identity a -> Identity a Source # logBase :: Identity a -> Identity a -> Identity a Source # sin :: Identity a -> Identity a Source # cos :: Identity a -> Identity a Source # tan :: Identity a -> Identity a Source # asin :: Identity a -> Identity a Source # acos :: Identity a -> Identity a Source # atan :: Identity a -> Identity a Source # sinh :: Identity a -> Identity a Source # cosh :: Identity a -> Identity a Source # tanh :: Identity a -> Identity a Source # asinh :: Identity a -> Identity a Source # acosh :: Identity a -> Identity a Source # atanh :: Identity a -> Identity a Source # log1p :: Identity a -> Identity a Source # expm1 :: Identity a -> Identity a Source # log1pexp :: Identity a -> Identity a Source # log1mexp :: Identity a -> Identity a Source #
Fractional a => Fractional ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods (/) :: Identity a -> Identity a -> Identity a Source # recip :: Identity a -> Identity a Source # fromRational :: Rational -> Identity a Source #
Integral a => Integral ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods quot :: Identity a -> Identity a -> Identity a Source # rem :: Identity a -> Identity a -> Identity a Source # div :: Identity a -> Identity a -> Identity a Source # mod :: Identity a -> Identity a -> Identity a Source # quotRem :: Identity a -> Identity a -> ( Identity a, Identity a) Source # divMod :: Identity a -> Identity a -> ( Identity a, Identity a) Source # toInteger :: Identity a -> Integer Source #
Data a => Data ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Data Methods gfoldl :: ( forall d b. Data d => c (d -> b) -> d -> c b) -> ( forall g. g -> c g) -> Identity a -> c ( Identity a) Source # gunfold :: ( forall b r. Data b => c (b -> r) -> c r) -> ( forall r. r -> c r) -> Constr -> c ( Identity a) Source # toConstr :: Identity a -> Constr Source # dataTypeOf :: Identity a -> DataType Source # dataCast1 :: Typeable t => ( forall d. Data d => c (t d)) -> Maybe (c ( Identity a)) Source # dataCast2 :: Typeable t => ( forall d e. ( Data d, Data e) => c (t d e)) -> Maybe (c ( Identity a)) Source # gmapT :: ( forall b. Data b => b -> b) -> Identity a -> Identity a Source # gmapQl :: (r -> r' -> r) -> r -> ( forall d. Data d => d -> r') -> Identity a -> r Source # gmapQr :: forall r r'. (r' -> r -> r) -> r -> ( forall d. Data d => d -> r') -> Identity a -> r Source # gmapQ :: ( forall d. Data d => d -> u) -> Identity a -> [u] Source # gmapQi :: Int -> ( forall d. Data d => d -> u) -> Identity a -> u Source # gmapM :: Monad m => ( forall d. Data d => d -> m d) -> Identity a -> m ( Identity a) Source # gmapMp :: MonadPlus m => ( forall d. Data d => d -> m d) -> Identity a -> m ( Identity a) Source # gmapMo :: MonadPlus m => ( forall d. Data d => d -> m d) -> Identity a -> m ( Identity a) Source #
Num a => Num ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods (+) :: Identity a -> Identity a -> Identity a Source # (-) :: Identity a -> Identity a -> Identity a Source # (*) :: Identity a -> Identity a -> Identity a Source # negate :: Identity a -> Identity a Source # abs :: Identity a -> Identity a Source # signum :: Identity a -> Identity a Source # fromInteger :: Integer -> Identity a Source #
Ord a => Ord ( Identity a)	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods compare :: Identity a -> Identity a -> Ordering Source # (<) :: Identity a -> Identity a -> Bool Source # (<=) :: Identity a -> Identity a -> Bool Source # (>) :: Identity a -> Identity a -> Bool Source # (>=) :: Identity a -> Identity a -> Bool Source # max :: Identity a -> Identity a -> Identity a Source # min :: Identity a -> Identity a -> Identity a Source #
Read a => Read ( Identity a)	This instance would be equivalent to the derived instances of the `Identity` newtype if the `runIdentity` field were removed Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods readsPrec :: Int -> ReadS ( Identity a) Source # readList :: ReadS [ Identity a] Source # readPrec :: ReadPrec ( Identity a) Source # readListPrec :: ReadPrec [ Identity a] Source #
Real a => Real ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods toRational :: Identity a -> Rational Source #
RealFloat a => RealFloat ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods floatRadix :: Identity a -> Integer Source # floatDigits :: Identity a -> Int Source # floatRange :: Identity a -> ( Int , Int ) Source # decodeFloat :: Identity a -> ( Integer , Int ) Source # encodeFloat :: Integer -> Int -> Identity a Source # exponent :: Identity a -> Int Source # significand :: Identity a -> Identity a Source # scaleFloat :: Int -> Identity a -> Identity a Source # isNaN :: Identity a -> Bool Source # isInfinite :: Identity a -> Bool Source # isDenormalized :: Identity a -> Bool Source # isNegativeZero :: Identity a -> Bool Source # isIEEE :: Identity a -> Bool Source # atan2 :: Identity a -> Identity a -> Identity a Source #
RealFrac a => RealFrac ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods properFraction :: Integral b => Identity a -> (b, Identity a) Source # truncate :: Integral b => Identity a -> b Source # round :: Integral b => Identity a -> b Source # ceiling :: Integral b => Identity a -> b Source # floor :: Integral b => Identity a -> b Source #
Show a => Show ( Identity a)	This instance would be equivalent to the derived instances of the `Identity` newtype if the `runIdentity` field were removed Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Methods showsPrec :: Int -> Identity a -> ShowS Source # show :: Identity a -> String Source # showList :: [ Identity a] -> ShowS Source #
Ix a => Ix ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods range :: ( Identity a, Identity a) -> [ Identity a] Source # index :: ( Identity a, Identity a) -> Identity a -> Int Source # unsafeIndex :: ( Identity a, Identity a) -> Identity a -> Int Source # inRange :: ( Identity a, Identity a) -> Identity a -> Bool Source # rangeSize :: ( Identity a, Identity a) -> Int Source # unsafeRangeSize :: ( Identity a, Identity a) -> Int Source #
IsString a => IsString ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.String Methods fromString :: String -> Identity a Source #
Generic ( Identity a)	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Associated Types type Rep ( Identity a) :: Type -> Type Source # Methods from :: Identity a -> Rep ( Identity a) x Source # to :: Rep ( Identity a) x -> Identity a Source #
Semigroup a => Semigroup ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods (<>) :: Identity a -> Identity a -> Identity a Source # sconcat :: NonEmpty ( Identity a) -> Identity a Source # stimes :: Integral b => b -> Identity a -> Identity a Source #
Monoid a => Monoid ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods mempty :: Identity a Source # mappend :: Identity a -> Identity a -> Identity a Source # mconcat :: [ Identity a] -> Identity a Source #
Storable a => Storable ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods sizeOf :: Identity a -> Int Source # alignment :: Identity a -> Int Source # peekElemOff :: Ptr ( Identity a) -> Int -> IO ( Identity a) Source # pokeElemOff :: Ptr ( Identity a) -> Int -> Identity a -> IO () Source # peekByteOff :: Ptr b -> Int -> IO ( Identity a) Source # pokeByteOff :: Ptr b -> Int -> Identity a -> IO () Source # peek :: Ptr ( Identity a) -> IO ( Identity a) Source # poke :: Ptr ( Identity a) -> Identity a -> IO () Source #
Bits a => Bits ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods (.&.) :: Identity a -> Identity a -> Identity a Source # (.\|.) :: Identity a -> Identity a -> Identity a Source # xor :: Identity a -> Identity a -> Identity a Source # complement :: Identity a -> Identity a Source # shift :: Identity a -> Int -> Identity a Source # rotate :: Identity a -> Int -> Identity a Source # zeroBits :: Identity a Source # bit :: Int -> Identity a Source # setBit :: Identity a -> Int -> Identity a Source # clearBit :: Identity a -> Int -> Identity a Source # complementBit :: Identity a -> Int -> Identity a Source # testBit :: Identity a -> Int -> Bool Source # bitSizeMaybe :: Identity a -> Maybe Int Source # bitSize :: Identity a -> Int Source # isSigned :: Identity a -> Bool Source # shiftL :: Identity a -> Int -> Identity a Source # unsafeShiftL :: Identity a -> Int -> Identity a Source # shiftR :: Identity a -> Int -> Identity a Source # unsafeShiftR :: Identity a -> Int -> Identity a Source # rotateL :: Identity a -> Int -> Identity a Source # rotateR :: Identity a -> Int -> Identity a Source # popCount :: Identity a -> Int Source #
FiniteBits a => FiniteBits ( Identity a)	Since: base-4.9.0.0
Instance details Defined in Data.Functor.Identity Methods finiteBitSize :: Identity a -> Int Source # countLeadingZeros :: Identity a -> Int Source # countTrailingZeros :: Identity a -> Int Source #
Generic1 Identity	Since: base-4.8.0.0
Instance details Defined in Data.Functor.Identity Associated Types type Rep1 Identity :: k -> Type Source # Methods from1 :: forall (a :: k). Identity a -> Rep1 Identity a Source # to1 :: forall (a :: k). Rep1 Identity a -> Identity a Source #
type Rep ( Identity a)
Instance details Defined in Data.Functor.Identity type Rep ( Identity a) = D1 (' MetaData "Identity" "Data.Functor.Identity" "base" ' True ) ( C1 (' MetaCons "Identity" ' PrefixI ' True ) ( S1 (' MetaSel (' Just "runIdentity") ' NoSourceUnpackedness ' NoSourceStrictness ' DecidedLazy ) ( Rec0 a)))
type Rep1 Identity
Instance details Defined in Data.Functor.Identity type Rep1 Identity = D1 (' MetaData "Identity" "Data.Functor.Identity" "base" ' True ) ( C1 (' MetaCons "Identity" ' PrefixI ' True ) ( S1 (' MetaSel (' Just "runIdentity") ' NoSourceUnpackedness ' NoSourceStrictness ' DecidedLazy ) Par1 ))