base-4.9.0.0: Basic libraries

LicenseBSD-style (see the LICENSE file in the distribution)
Maintainerlibraries@haskell.org
Stabilityexperimental
Portabilityportable
Safe HaskellTrustworthy
LanguageHaskell2010

Data.Proxy

Description

Definition of a Proxy type (poly-kinded in GHC)

Since: 4.7.0.0

Synopsis

Documentation

data Proxy t Source #

A concrete, poly-kinded proxy type

Constructors

Instances

Methods

(>>=) :: Proxy * a -> (a -> Proxy * b) -> Proxy * b Source #

(>>) :: Proxy * a -> Proxy * b -> Proxy * b Source #

return :: a -> Proxy * a Source #

fail :: String -> Proxy * a Source #

Methods

fmap :: (a -> b) -> Proxy * a -> Proxy * b Source #

(<$) :: a -> Proxy * b -> Proxy * a Source #

Methods

pure :: a -> Proxy * a Source #

(<*>) :: Proxy * (a -> b) -> Proxy * a -> Proxy * b Source #

(*>) :: Proxy * a -> Proxy * b -> Proxy * b Source #

(<*) :: Proxy * a -> Proxy * b -> Proxy * a Source #

Methods

fold :: Monoid m => Proxy * m -> m Source #

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

foldr :: (a -> b -> b) -> b -> Proxy * a -> b Source #

foldr' :: (a -> b -> b) -> b -> Proxy * a -> b Source #

foldl :: (b -> a -> b) -> b -> Proxy * a -> b Source #

foldl' :: (b -> a -> b) -> b -> Proxy * a -> b Source #

foldr1 :: (a -> a -> a) -> Proxy * a -> a Source #

foldl1 :: (a -> a -> a) -> Proxy * a -> a Source #

toList :: Proxy * a -> [a] Source #

null :: Proxy * a -> Bool Source #

length :: Proxy * a -> Int Source #

elem :: Eq a => a -> Proxy * a -> Bool Source #

maximum :: Ord a => Proxy * a -> a Source #

minimum :: Ord a => Proxy * a -> a Source #

sum :: Num a => Proxy * a -> a Source #

product :: Num a => Proxy * a -> a Source #

Methods

traverse :: Applicative f => (a -> f b) -> Proxy * a -> f (Proxy * b) Source #

sequenceA :: Applicative f => Proxy * (f a) -> f (Proxy * a) Source #

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

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

Associated Types

type Rep1 (Proxy * :: * -> *) :: * -> * Source #

Methods

from1 :: Proxy * a -> Rep1 (Proxy *) a Source #

to1 :: Rep1 (Proxy *) a -> Proxy * a Source #

Methods

mzero :: Proxy * a Source #

mplus :: Proxy * a -> Proxy * a -> Proxy * a Source #

Methods

empty :: Proxy * a Source #

(<|>) :: Proxy * a -> Proxy * a -> Proxy * a Source #

some :: Proxy * a -> Proxy * [a] Source #

many :: Proxy * a -> Proxy * [a] Source #

Methods

mzip :: Proxy * a -> Proxy * b -> Proxy * (a, b) Source #

mzipWith :: (a -> b -> c) -> Proxy * a -> Proxy * b -> Proxy * c Source #

munzip :: Proxy * (a, b) -> (Proxy * a, Proxy * b) Source #

Show1 (Proxy *) Source #

Since: 4.9.0.0

Methods

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

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

Read1 (Proxy *) Source #

Since: 4.9.0.0

Methods

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

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

Ord1 (Proxy *) Source #

Since: 4.9.0.0

Methods

liftCompare :: (a -> b -> Ordering) -> Proxy * a -> Proxy * b -> Ordering Source #

Eq1 (Proxy *) Source #

Since: 4.9.0.0

Methods

liftEq :: (a -> b -> Bool) -> Proxy * a -> Proxy * b -> Bool Source #

Methods

minBound :: Proxy k s Source #

maxBound :: Proxy k s Source #

Enum (Proxy k s) Source #

Methods

succ :: Proxy k s -> Proxy k s Source #

pred :: Proxy k s -> Proxy k s Source #

toEnum :: Int -> Proxy k s Source #

fromEnum :: Proxy k s -> Int Source #

enumFrom :: Proxy k s -> [Proxy k s] Source #

enumFromThen :: Proxy k s -> Proxy k s -> [Proxy k s] Source #

enumFromTo :: Proxy k s -> Proxy k s -> [Proxy k s] Source #

enumFromThenTo :: Proxy k s -> Proxy k s -> Proxy k s -> [Proxy k s] Source #

Eq (Proxy k s) Source #

Methods

(==) :: Proxy k s -> Proxy k s -> Bool #

(/=) :: Proxy k s -> Proxy k s -> Bool #

Data t => Data (Proxy * t) Source #

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Proxy * t -> c (Proxy * t) Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Proxy * t) Source #

toConstr :: Proxy * t -> Constr Source #

dataTypeOf :: Proxy * t -> DataType Source #

dataCast1 :: Typeable (* -> *) t => (forall d. Data d => c (t d)) -> Maybe (c (Proxy * t)) Source #

dataCast2 :: Typeable (* -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Proxy * t)) Source #

gmapT :: (forall b. Data b => b -> b) -> Proxy * t -> Proxy * t Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Proxy * t -> r Source #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Proxy * t -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> Proxy * t -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Proxy * t -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Proxy * t -> m (Proxy * t) Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Proxy * t -> m (Proxy * t) Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Proxy * t -> m (Proxy * t) Source #

Ord (Proxy k s) Source #

Methods

compare :: Proxy k s -> Proxy k s -> Ordering #

(<) :: Proxy k s -> Proxy k s -> Bool #

(<=) :: Proxy k s -> Proxy k s -> Bool #

(>) :: Proxy k s -> Proxy k s -> Bool #

(>=) :: Proxy k s -> Proxy k s -> Bool #

max :: Proxy k s -> Proxy k s -> Proxy k s #

min :: Proxy k s -> Proxy k s -> Proxy k s #

Read (Proxy k s) Source #
Show (Proxy k s) Source #

Methods

showsPrec :: Int -> Proxy k s -> ShowS Source #

show :: Proxy k s -> String Source #

showList :: [Proxy k s] -> ShowS Source #

Ix (Proxy k s) Source #

Methods

range :: (Proxy k s, Proxy k s) -> [Proxy k s] Source #

index :: (Proxy k s, Proxy k s) -> Proxy k s -> Int Source #

unsafeIndex :: (Proxy k s, Proxy k s) -> Proxy k s -> Int

inRange :: (Proxy k s, Proxy k s) -> Proxy k s -> Bool Source #

rangeSize :: (Proxy k s, Proxy k s) -> Int Source #

unsafeRangeSize :: (Proxy k s, Proxy k s) -> Int

Associated Types

type Rep (Proxy k t) :: * -> * Source #

Methods

from :: Proxy k t -> Rep (Proxy k t) x Source #

to :: Rep (Proxy k t) x -> Proxy k t Source #

Methods

(<>) :: Proxy k s -> Proxy k s -> Proxy k s Source #

sconcat :: NonEmpty (Proxy k s) -> Proxy k s Source #

stimes :: Integral b => b -> Proxy k s -> Proxy k s Source #

Methods

mempty :: Proxy k s Source #

mappend :: Proxy k s -> Proxy k s -> Proxy k s Source #

mconcat :: [Proxy k s] -> Proxy k s Source #

type Rep1 (Proxy *) Source #
type Rep1 (Proxy *) = D1 (MetaData "Proxy" "Data.Proxy" "base" False) (C1 (MetaCons "Proxy" PrefixI False) U1)
type Rep (Proxy k t) Source #
type Rep (Proxy k t) = D1 (MetaData "Proxy" "Data.Proxy" "base" False) (C1 (MetaCons "Proxy" PrefixI False) U1)

asProxyTypeOf :: a -> Proxy a -> a Source #

asProxyTypeOf is a type-restricted version of const . It is usually used as an infix operator, and its typing forces its first argument (which is usually overloaded) to have the same type as the tag of the second.

data KProxy t Source #

A concrete, promotable proxy type, for use at the kind level There are no instances for this because it is intended at the kind level only

Constructors

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