Data.Aeson.Extra.SingObject

Documentation

newtype SingObject s a

Singleton value object

λ > decode "{\"value\": 42 }" :: Maybe (SingObject "value" Int)
Just (SingObject 42)

λ > encode (SingObject 42 :: SingObject "value" Int)
"{\"value\":42}"

Available with: base >=4.7

Constructors

SingObject a

Instances

Functor (SingObject s)

Methods

fmap :: (a -> b) -> SingObject s a -> SingObject s b

(<$) :: a -> SingObject s b -> SingObject s a

Foldable (SingObject s)

Methods

fold :: Monoid m => SingObject s m -> m

foldMap :: Monoid m => (a -> m) -> SingObject s a -> m

foldr :: (a -> b -> b) -> b -> SingObject s a -> b

foldr' :: (a -> b -> b) -> b -> SingObject s a -> b

foldl :: (b -> a -> b) -> b -> SingObject s a -> b

foldl' :: (b -> a -> b) -> b -> SingObject s a -> b

foldr1 :: (a -> a -> a) -> SingObject s a -> a

foldl1 :: (a -> a -> a) -> SingObject s a -> a

toList :: SingObject s a -> [a]

null :: SingObject s a -> Bool

length :: SingObject s a -> Int

elem :: Eq a => a -> SingObject s a -> Bool

maximum :: Ord a => SingObject s a -> a

minimum :: Ord a => SingObject s a -> a

sum :: Num a => SingObject s a -> a

product :: Num a => SingObject s a -> a

Traversable (SingObject s)

Methods

traverse :: Applicative f => (a -> f b) -> SingObject s a -> f (SingObject s b)

sequenceA :: Applicative f => SingObject s (f a) -> f (SingObject s a)

mapM :: Monad m => (a -> m b) -> SingObject s a -> m (SingObject s b)

sequence :: Monad m => SingObject s (m a) -> m (SingObject s a)

KnownSymbol s => FromJSON1 (SingObject s)

Methods

liftParseJSON :: (Value -> Parser a) -> (Value -> Parser [a]) -> Value -> Parser (SingObject s a)

liftParseJSONList :: (Value -> Parser a) -> (Value -> Parser [a]) -> Value -> Parser [SingObject s a]

KnownSymbol s => ToJSON1 (SingObject s)

Methods

liftToJSON :: (a -> Value) -> ([a] -> Value) -> SingObject s a -> Value

liftToJSONList :: (a -> Value) -> ([a] -> Value) -> [SingObject s a] -> Value

liftToEncoding :: (a -> Encoding) -> ([a] -> Encoding) -> SingObject s a -> Encoding

liftToEncodingList :: (a -> Encoding) -> ([a] -> Encoding) -> [SingObject s a] -> Encoding

Eq a => Eq (SingObject s a)

Methods

(==) :: SingObject s a -> SingObject s a -> Bool

(/=) :: SingObject s a -> SingObject s a -> Bool

Ord a => Ord (SingObject s a)

Methods

compare :: SingObject s a -> SingObject s a -> Ordering

(<) :: SingObject s a -> SingObject s a -> Bool

(<=) :: SingObject s a -> SingObject s a -> Bool

(>) :: SingObject s a -> SingObject s a -> Bool

(>=) :: SingObject s a -> SingObject s a -> Bool

max :: SingObject s a -> SingObject s a -> SingObject s a

min :: SingObject s a -> SingObject s a -> SingObject s a

Read a => Read (SingObject s a)

Methods

readsPrec :: Int -> ReadS (SingObject s a)

readList :: ReadS [SingObject s a]

readPrec :: ReadPrec (SingObject s a)

readListPrec :: ReadPrec [SingObject s a]

Show a => Show (SingObject s a)

Methods

showsPrec :: Int -> SingObject s a -> ShowS

show :: SingObject s a -> String

showList :: [SingObject s a] -> ShowS

(KnownSymbol s, FromJSON a) => FromJSON (SingObject s a)

Methods

parseJSON :: Value -> Parser (SingObject s a)

parseJSONList :: Value -> Parser [SingObject s a]

(KnownSymbol s, ToJSON a) => ToJSON (SingObject s a)

Methods

toJSON :: SingObject s a -> Value

toEncoding :: SingObject s a -> Encoding

toJSONList :: [SingObject s a] -> Value

toEncodingList :: [SingObject s a] -> Encoding

mkSingObject :: Proxy s -> a -> SingObject s a

getSingObject :: Proxy s -> SingObject s a -> a