W3cubDocs

/Haskell 8

Data.Functor.Const

Copyright Conor McBride and Ross Paterson 2005
License BSD-style (see the LICENSE file in the distribution)
Maintainer [email protected]
Stability experimental
Portability portable
Safe Haskell Trustworthy
Language Haskell2010

Description

newtype Const a b Source

The Const functor.

Constructors

Const

Fields

Instances

Generic1 k (Const k a)

Associated Types

type Rep1 (Const k a) (f :: Const k a -> *) :: k -> * Source

Methods

from1 :: f a -> Rep1 (Const k a) f a Source

to1 :: Rep1 (Const k a) f a -> f a Source

Show2 (Const *)

Since: 4.9.0.0

Methods

liftShowsPrec2 :: (Int -> a -> ShowS) -> ([a] -> ShowS) -> (Int -> b -> ShowS) -> ([b] -> ShowS) -> Int -> Const * a b -> ShowS Source

liftShowList2 :: (Int -> a -> ShowS) -> ([a] -> ShowS) -> (Int -> b -> ShowS) -> ([b] -> ShowS) -> [Const * a b] -> ShowS Source

Read2 (Const *)

Since: 4.9.0.0

Methods

liftReadsPrec2 :: (Int -> ReadS a) -> ReadS [a] -> (Int -> ReadS b) -> ReadS [b] -> Int -> ReadS (Const * a b) Source

liftReadList2 :: (Int -> ReadS a) -> ReadS [a] -> (Int -> ReadS b) -> ReadS [b] -> ReadS [Const * a b] Source

liftReadPrec2 :: ReadPrec a -> ReadPrec [a] -> ReadPrec b -> ReadPrec [b] -> ReadPrec (Const * a b) Source

liftReadListPrec2 :: ReadPrec a -> ReadPrec [a] -> ReadPrec b -> ReadPrec [b] -> ReadPrec [Const * a b] Source

Ord2 (Const *)

Since: 4.9.0.0

Methods

liftCompare2 :: (a -> b -> Ordering) -> (c -> d -> Ordering) -> Const * a c -> Const * b d -> Ordering Source

Eq2 (Const *)

Since: 4.9.0.0

Methods

liftEq2 :: (a -> b -> Bool) -> (c -> d -> Bool) -> Const * a c -> Const * b d -> Bool Source

Bifunctor (Const *)

Since: 4.8.0.0

Methods

bimap :: (a -> b) -> (c -> d) -> Const * a c -> Const * b d Source

first :: (a -> b) -> Const * a c -> Const * b c Source

second :: (b -> c) -> Const * a b -> Const * a c Source

Bifoldable (Const *)

Since: 4.10.0.0

Methods

bifold :: Monoid m => Const * m m -> m Source

bifoldMap :: Monoid m => (a -> m) -> (b -> m) -> Const * a b -> m Source

bifoldr :: (a -> c -> c) -> (b -> c -> c) -> c -> Const * a b -> c Source

bifoldl :: (c -> a -> c) -> (c -> b -> c) -> c -> Const * a b -> c Source

Bitraversable (Const *)

Since: 4.10.0.0

Methods

bitraverse :: Applicative f => (a -> f c) -> (b -> f d) -> Const * a b -> f (Const * c d) Source

Functor (Const * m)

Since: 2.1

Methods

fmap :: (a -> b) -> Const * m a -> Const * m b Source

(<$) :: a -> Const * m b -> Const * m a Source

Monoid m => Applicative (Const * m)

Since: 2.0.1

Methods

pure :: a -> Const * m a Source

(<*>) :: Const * m (a -> b) -> Const * m a -> Const * m b Source

liftA2 :: (a -> b -> c) -> Const * m a -> Const * m b -> Const * m c Source

(*>) :: Const * m a -> Const * m b -> Const * m b Source

(<*) :: Const * m a -> Const * m b -> Const * m a Source

Foldable (Const * m)

Since: 4.7.0.0

Methods

fold :: Monoid m => Const * m m -> m Source

foldMap :: Monoid m => (a -> m) -> Const * m a -> m Source

foldr :: (a -> b -> b) -> b -> Const * m a -> b Source

foldr' :: (a -> b -> b) -> b -> Const * m a -> b Source

foldl :: (b -> a -> b) -> b -> Const * m a -> b Source

foldl' :: (b -> a -> b) -> b -> Const * m a -> b Source

foldr1 :: (a -> a -> a) -> Const * m a -> a Source

foldl1 :: (a -> a -> a) -> Const * m a -> a Source

toList :: Const * m a -> [a] Source

null :: Const * m a -> Bool Source

length :: Const * m a -> Int Source

elem :: Eq a => a -> Const * m a -> Bool Source

maximum :: Ord a => Const * m a -> a Source

minimum :: Ord a => Const * m a -> a Source

sum :: Num a => Const * m a -> a Source

product :: Num a => Const * m a -> a Source

Traversable (Const * m)

Since: 4.7.0.0

Methods

traverse :: Applicative f => (a -> f b) -> Const * m a -> f (Const * m b) Source

sequenceA :: Applicative f => Const * m (f a) -> f (Const * m a) Source

mapM :: Monad m => (a -> m b) -> Const * m a -> m (Const * m b) Source

sequence :: Monad m => Const * m (m a) -> m (Const * m a) Source

Show a => Show1 (Const * a)

Since: 4.9.0.0

Methods

liftShowsPrec :: (Int -> a -> ShowS) -> ([a] -> ShowS) -> Int -> Const * a a -> ShowS Source

liftShowList :: (Int -> a -> ShowS) -> ([a] -> ShowS) -> [Const * a a] -> ShowS Source

Read a => Read1 (Const * a)

Since: 4.9.0.0

Methods

liftReadsPrec :: (Int -> ReadS a) -> ReadS [a] -> Int -> ReadS (Const * a a) Source

liftReadList :: (Int -> ReadS a) -> ReadS [a] -> ReadS [Const * a a] Source

liftReadPrec :: ReadPrec a -> ReadPrec [a] -> ReadPrec (Const * a a) Source

liftReadListPrec :: ReadPrec a -> ReadPrec [a] -> ReadPrec [Const * a a] Source

Ord a => Ord1 (Const * a)

Since: 4.9.0.0

Methods

liftCompare :: (a -> b -> Ordering) -> Const * a a -> Const * a b -> Ordering Source

Eq a => Eq1 (Const * a)

Since: 4.9.0.0

Methods

liftEq :: (a -> b -> Bool) -> Const * a a -> Const * a b -> Bool Source

Bounded a => Bounded (Const k a b)

Methods

minBound :: Const k a b Source

maxBound :: Const k a b Source

Enum a => Enum (Const k a b)

Methods

succ :: Const k a b -> Const k a b Source

pred :: Const k a b -> Const k a b Source

toEnum :: Int -> Const k a b Source

fromEnum :: Const k a b -> Int Source

enumFrom :: Const k a b -> [Const k a b] Source

enumFromThen :: Const k a b -> Const k a b -> [Const k a b] Source

enumFromTo :: Const k a b -> Const k a b -> [Const k a b] Source

enumFromThenTo :: Const k a b -> Const k a b -> Const k a b -> [Const k a b] Source

Eq a => Eq (Const k a b)

Methods

(==) :: Const k a b -> Const k a b -> Bool Source

(/=) :: Const k a b -> Const k a b -> Bool Source

Floating a => Floating (Const k a b)

Methods

pi :: Const k a b Source

exp :: Const k a b -> Const k a b Source

log :: Const k a b -> Const k a b Source

sqrt :: Const k a b -> Const k a b Source

(**) :: Const k a b -> Const k a b -> Const k a b Source

logBase :: Const k a b -> Const k a b -> Const k a b Source

sin :: Const k a b -> Const k a b Source

cos :: Const k a b -> Const k a b Source

tan :: Const k a b -> Const k a b Source

asin :: Const k a b -> Const k a b Source

acos :: Const k a b -> Const k a b Source

atan :: Const k a b -> Const k a b Source

sinh :: Const k a b -> Const k a b Source

cosh :: Const k a b -> Const k a b Source

tanh :: Const k a b -> Const k a b Source

asinh :: Const k a b -> Const k a b Source

acosh :: Const k a b -> Const k a b Source

atanh :: Const k a b -> Const k a b Source

log1p :: Const k a b -> Const k a b Source

expm1 :: Const k a b -> Const k a b Source

log1pexp :: Const k a b -> Const k a b Source

log1mexp :: Const k a b -> Const k a b Source

Fractional a => Fractional (Const k a b)

Methods

(/) :: Const k a b -> Const k a b -> Const k a b Source

recip :: Const k a b -> Const k a b Source

fromRational :: Rational -> Const k a b Source

Integral a => Integral (Const k a b)

Methods

quot :: Const k a b -> Const k a b -> Const k a b Source

rem :: Const k a b -> Const k a b -> Const k a b Source

div :: Const k a b -> Const k a b -> Const k a b Source

mod :: Const k a b -> Const k a b -> Const k a b Source

quotRem :: Const k a b -> Const k a b -> (Const k a b, Const k a b) Source

divMod :: Const k a b -> Const k a b -> (Const k a b, Const k a b) Source

toInteger :: Const k a b -> Integer Source

(Typeable * k3, Data a, Typeable k3 b) => Data (Const k3 a b)

Since: 4.10.0.0

Methods

gfoldl :: (forall d c. Data d => c (d -> c) -> d -> c c) -> (forall g. g -> c g) -> Const k3 a b -> c (Const k3 a b) Source

gunfold :: (forall c r. Data c => c (c -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Const k3 a b) Source

toConstr :: Const k3 a b -> Constr Source

dataTypeOf :: Const k3 a b -> DataType Source

dataCast1 :: Typeable (* -> *) t => (forall d. Data d => c (t d)) -> Maybe (c (Const k3 a b)) Source

dataCast2 :: Typeable (* -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Const k3 a b)) Source

gmapT :: (forall c. Data c => c -> c) -> Const k3 a b -> Const k3 a b Source

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Const k3 a b -> r Source

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Const k3 a b -> r Source

gmapQ :: (forall d. Data d => d -> u) -> Const k3 a b -> [u] Source

gmapQi :: Int -> (forall d. Data d => d -> u) -> Const k3 a b -> u Source

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Const k3 a b -> m (Const k3 a b) Source

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Const k3 a b -> m (Const k3 a b) Source

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Const k3 a b -> m (Const k3 a b) Source

Num a => Num (Const k a b)

Methods

(+) :: Const k a b -> Const k a b -> Const k a b Source

(-) :: Const k a b -> Const k a b -> Const k a b Source

(*) :: Const k a b -> Const k a b -> Const k a b Source

negate :: Const k a b -> Const k a b Source

abs :: Const k a b -> Const k a b Source

signum :: Const k a b -> Const k a b Source

fromInteger :: Integer -> Const k a b Source

Ord a => Ord (Const k a b)

Methods

compare :: Const k a b -> Const k a b -> Ordering Source

(<) :: Const k a b -> Const k a b -> Bool Source

(<=) :: Const k a b -> Const k a b -> Bool Source

(>) :: Const k a b -> Const k a b -> Bool Source

(>=) :: Const k a b -> Const k a b -> Bool Source

max :: Const k a b -> Const k a b -> Const k a b Source

min :: Const k a b -> Const k a b -> Const k a b Source

Read a => Read (Const k a b)

This instance would be equivalent to the derived instances of the Const newtype if the runConst field were removed

Since: 4.8.0.0
Real a => Real (Const k a b)

Methods

toRational :: Const k a b -> Rational Source

RealFloat a => RealFloat (Const k a b)

Methods

floatRadix :: Const k a b -> Integer Source

floatDigits :: Const k a b -> Int Source

floatRange :: Const k a b -> (Int, Int) Source

decodeFloat :: Const k a b -> (Integer, Int) Source

encodeFloat :: Integer -> Int -> Const k a b Source

exponent :: Const k a b -> Int Source

significand :: Const k a b -> Const k a b Source

scaleFloat :: Int -> Const k a b -> Const k a b Source

isNaN :: Const k a b -> Bool Source

isInfinite :: Const k a b -> Bool Source

isDenormalized :: Const k a b -> Bool Source

isNegativeZero :: Const k a b -> Bool Source

isIEEE :: Const k a b -> Bool Source

atan2 :: Const k a b -> Const k a b -> Const k a b Source

RealFrac a => RealFrac (Const k a b)

Methods

properFraction :: Integral b => Const k a b -> (b, Const k a b) Source

truncate :: Integral b => Const k a b -> b Source

round :: Integral b => Const k a b -> b Source

ceiling :: Integral b => Const k a b -> b Source

floor :: Integral b => Const k a b -> b Source

Show a => Show (Const k a b)

This instance would be equivalent to the derived instances of the Const newtype if the runConst field were removed

Since: 4.8.0.0

Methods

showsPrec :: Int -> Const k a b -> ShowS Source

show :: Const k a b -> String Source

showList :: [Const k a b] -> ShowS Source

Ix a => Ix (Const k a b)

Methods

range :: (Const k a b, Const k a b) -> [Const k a b] Source

index :: (Const k a b, Const k a b) -> Const k a b -> Int Source

unsafeIndex :: (Const k a b, Const k a b) -> Const k a b -> Int

inRange :: (Const k a b, Const k a b) -> Const k a b -> Bool Source

rangeSize :: (Const k a b, Const k a b) -> Int Source

unsafeRangeSize :: (Const k a b, Const k a b) -> Int

IsString a => IsString (Const * a b)

Since: 4.9.0.0

Methods

fromString :: String -> Const * a b Source

Generic (Const k a b)

Associated Types

type Rep (Const k a b) :: * -> * Source

Methods

from :: Const k a b -> Rep (Const k a b) x Source

to :: Rep (Const k a b) x -> Const k a b Source

Semigroup a => Semigroup (Const k a b)

Since: 4.9.0.0

Methods

(<>) :: Const k a b -> Const k a b -> Const k a b Source

sconcat :: NonEmpty (Const k a b) -> Const k a b Source

stimes :: Integral b => b -> Const k a b -> Const k a b Source

Monoid a => Monoid (Const k a b)

Methods

mempty :: Const k a b Source

mappend :: Const k a b -> Const k a b -> Const k a b Source

mconcat :: [Const k a b] -> Const k a b Source

FiniteBits a => FiniteBits (Const k a b)
Bits a => Bits (Const k a b)

Methods

(.&.) :: Const k a b -> Const k a b -> Const k a b Source

(.|.) :: Const k a b -> Const k a b -> Const k a b Source

xor :: Const k a b -> Const k a b -> Const k a b Source

complement :: Const k a b -> Const k a b Source

shift :: Const k a b -> Int -> Const k a b Source

rotate :: Const k a b -> Int -> Const k a b Source

zeroBits :: Const k a b Source

bit :: Int -> Const k a b Source

setBit :: Const k a b -> Int -> Const k a b Source

clearBit :: Const k a b -> Int -> Const k a b Source

complementBit :: Const k a b -> Int -> Const k a b Source

testBit :: Const k a b -> Int -> Bool Source

bitSizeMaybe :: Const k a b -> Maybe Int Source

bitSize :: Const k a b -> Int Source

isSigned :: Const k a b -> Bool Source

shiftL :: Const k a b -> Int -> Const k a b Source

unsafeShiftL :: Const k a b -> Int -> Const k a b Source

shiftR :: Const k a b -> Int -> Const k a b Source

unsafeShiftR :: Const k a b -> Int -> Const k a b Source

rotateL :: Const k a b -> Int -> Const k a b Source

rotateR :: Const k a b -> Int -> Const k a b Source

popCount :: Const k a b -> Int Source

Storable a => Storable (Const k a b)

Methods

sizeOf :: Const k a b -> Int Source

alignment :: Const k a b -> Int Source

peekElemOff :: Ptr (Const k a b) -> Int -> IO (Const k a b) Source

pokeElemOff :: Ptr (Const k a b) -> Int -> Const k a b -> IO () Source

peekByteOff :: Ptr b -> Int -> IO (Const k a b) Source

pokeByteOff :: Ptr b -> Int -> Const k a b -> IO () Source

peek :: Ptr (Const k a b) -> IO (Const k a b) Source

poke :: Ptr (Const k a b) -> Const k a b -> IO () Source

type Rep1 k (Const k a)
type Rep1 k (Const k a) = D1 k (MetaData "Const" "Data.Functor.Const" "base" True) (C1 k (MetaCons "Const" PrefixI True) (S1 k (MetaSel (Just Symbol "getConst") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 k a)))
type Rep (Const k a b)
type Rep (Const k a b) = D1 * (MetaData "Const" "Data.Functor.Const" "base" True) (C1 * (MetaCons "Const" PrefixI True) (S1 * (MetaSel (Just Symbol "getConst") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * a)))

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Licensed under a BSD-style license (see top of the page).
https://downloads.haskell.org/~ghc/8.2.1/docs/html/libraries/base-4.10.0.0/Data-Functor-Const.html