Safe Haskell	None
Language	Haskell2010

Options.Harg.Sources.Env

Synopsis

Documentation

Source that enables a parser to read options from environment variables.

Constructors

Instances details

GetSource EnvSource f Source #
Instance details Defined in Options.Harg.Sources.Env Associated Types type SourceVal EnvSource Source # Methods getSource :: HargCtx -> EnvSource f -> IO (SourceVal EnvSource) Source #
Generic (EnvSource f) Source #
Instance details Defined in Options.Harg.Sources.Env Associated Types type Rep (EnvSource f) :: Type -> Type # Methods from :: EnvSource f -> Rep (EnvSource f) x # to :: Rep (EnvSource f) x -> EnvSource f #
ApplicativeB EnvSource Source #
Instance details Defined in Options.Harg.Sources.Env Methods bpure :: (forall (a :: k). f a) -> EnvSource f bprod :: forall (f :: k -> Type) (g :: k -> Type). EnvSource f -> EnvSource g -> EnvSource (Product f g)
FunctorB EnvSource Source #
Instance details Defined in Options.Harg.Sources.Env Methods bmap :: (forall (a :: k). f a -> g a) -> EnvSource f -> EnvSource g
TraversableB EnvSource Source #
Instance details Defined in Options.Harg.Sources.Env Methods btraverse :: Applicative e => (forall (a :: k). f a -> e (g a)) -> EnvSource f -> e (EnvSource g)
type SourceVal EnvSource Source #
Instance details Defined in Options.Harg.Sources.Env type SourceVal EnvSource = EnvSourceVal
type Rep (EnvSource f) Source #
Instance details Defined in Options.Harg.Sources.Env type Rep (EnvSource f) = D1 ('MetaData "EnvSource" "Options.Harg.Sources.Env" "harg-0.5.0.0-inplace" 'False) (C1 ('MetaCons "EnvSource" 'PrefixI 'False) (U1 :: Type -> Type))

Value of EnvSource, which is an association list between environment variable names and values (strings).

Constructors

Instances details

(FunctorB a, TraversableB a) => RunSource EnvSourceVal a Source #
Instance details Defined in Options.Harg.Sources.Env Methods runSource :: forall (f :: Type -> Type). Applicative f => EnvSourceVal -> a (Compose Opt f) -> [Either SourceRunError (a (Compose SourceRunResult f))] Source #