Data.Aeson.Extra.SymTag

Documentation

data SymTag s

Singleton string encoded and decoded as ifself.

λ> encode (SymTag :: SymTag "foobar")
"\"foobar\""

decode "\"foobar\"" :: Maybe (SymTag "foobar")
Just SymTag

decode "\"foobar\"" :: Maybe (SymTag "barfoo")
Nothing

Available with: base >=4.7

Constructors

SymTag

Instances

Bounded (SymTag s)

Methods

minBound :: SymTag s

maxBound :: SymTag s

Enum (SymTag s)

Methods

succ :: SymTag s -> SymTag s

pred :: SymTag s -> SymTag s

toEnum :: Int -> SymTag s

fromEnum :: SymTag s -> Int

enumFrom :: SymTag s -> [SymTag s]

enumFromThen :: SymTag s -> SymTag s -> [SymTag s]

enumFromTo :: SymTag s -> SymTag s -> [SymTag s]

enumFromThenTo :: SymTag s -> SymTag s -> SymTag s -> [SymTag s]

Eq (SymTag s)

Methods

(==) :: SymTag s -> SymTag s -> Bool

(/=) :: SymTag s -> SymTag s -> Bool

Ord (SymTag s)

Methods

compare :: SymTag s -> SymTag s -> Ordering

(<) :: SymTag s -> SymTag s -> Bool

(<=) :: SymTag s -> SymTag s -> Bool

(>) :: SymTag s -> SymTag s -> Bool

(>=) :: SymTag s -> SymTag s -> Bool

max :: SymTag s -> SymTag s -> SymTag s

min :: SymTag s -> SymTag s -> SymTag s

Read (SymTag s)

Methods

readsPrec :: Int -> ReadS (SymTag s)

readList :: ReadS [SymTag s]

readPrec :: ReadPrec (SymTag s)

readListPrec :: ReadPrec [SymTag s]

Show (SymTag s)

Methods

showsPrec :: Int -> SymTag s -> ShowS

show :: SymTag s -> String

showList :: [SymTag s] -> ShowS

KnownSymbol s => ToJSON (SymTag s)

Methods

toJSON :: SymTag s -> Value

toEncoding :: SymTag s -> Encoding

toJSONList :: [SymTag s] -> Value

toEncodingList :: [SymTag s] -> Encoding

KnownSymbol s => FromJSON (SymTag s)

Methods

parseJSON :: Value -> Parser (SymTag s)

parseJSONList :: Value -> Parser [SymTag s]

NFData (SymTag s)

Since: 0.4.1.0

Methods

rnf :: SymTag s -> ()