Options.Harg.Sources.JSON

Documentation

newtype JSONSource f

Source that enables a parser to read options from a JSON file.

Constructors

JSONSource (f ConfigFile)

Instances

GetSource JSONSource Identity

Defined in Options.Harg.Sources.JSON

Associated Types

type SourceVal JSONSource :: Type

Methods

getSource :: HargCtx -> JSONSource Identity -> IO (SourceVal JSONSource)

Generic (JSONSource f)

Defined in Options.Harg.Sources.JSON

Associated Types

type Rep (JSONSource f) :: Type -> Type

Methods

from :: JSONSource f -> Rep (JSONSource f) x

to :: Rep (JSONSource f) x -> JSONSource f

ProductB JSONSource

Defined in Options.Harg.Sources.JSON

Methods

bprod :: JSONSource f -> JSONSource g -> JSONSource (Product f g)

buniq :: (forall (a :: k). f a) -> JSONSource f

TraversableB JSONSource

Defined in Options.Harg.Sources.JSON

Methods

btraverse :: Applicative t => (forall (a :: k). f a -> t (g a)) -> JSONSource f -> t (JSONSource g)

FunctorB JSONSource

Defined in Options.Harg.Sources.JSON

Methods

bmap :: (forall (a :: k). f a -> g a) -> JSONSource f -> JSONSource g

type SourceVal JSONSource

Defined in Options.Harg.Sources.JSON

type SourceVal JSONSource = JSONSourceVal

type Rep (JSONSource f)

Defined in Options.Harg.Sources.JSON

type Rep (JSONSource f) = D1 (MetaData "JSONSource" "Options.Harg.Sources.JSON" "harg-0.4.1.0-7KkJyc3m6UBApAYFZEJtHF" True) (C1 (MetaCons "JSONSource" PrefixI False) (S1 (MetaSel (Nothing :: Maybe Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (f ConfigFile))))

data JSONSourceVal

The result of reading a JSON file. JSONSourceNotRequired is used when the user has specified defaultVal NoConfigFile. It holds the contents of the JSON file as a Value.

Constructors

JSONSourceVal ByteString

JSONSourceNotRequired

Instances

(FromJSON (a Maybe), FunctorB a) => RunSource JSONSourceVal a

Defined in Options.Harg.Sources.JSON

Methods

runSource :: Applicative f => JSONSourceVal -> a (Compose Opt f) -> [Either SourceRunError (a (Compose SourceRunResult f))]

runJSONSource :: forall a f. (FunctorB a, FromJSON (a Maybe), Applicative f) => ByteString -> a (Compose Opt f) -> Either SourceRunError (a (Compose SourceRunResult f))