EVP.Internal

Documentation

type Name = String

data Error

Constructors

Missing Name

ParseError Name String String

CustomError String

Instances

Show Error

Defined in EVP.Internal

Methods

showsPrec :: Int -> Error -> ShowS

show :: Error -> String

showList :: [Error] -> ShowS

data ScanF a

Constructors

ScanF

Fields

• name :: Name
• parser :: Maybe String -> Either Error (String, a)
• metavar :: Maybe String

Instances

Functor ScanF

Defined in EVP.Internal

Methods

fmap :: (a -> b) -> ScanF a -> ScanF b

(<$) :: a -> ScanF b -> ScanF a

data Scan a where

Constructors

Pure :: a -> Scan a

Scan :: ScanF a -> Scan (a -> b) -> Scan b

Group :: String -> Scan a -> Scan a

Instances

Applicative Scan

Defined in EVP.Internal

Methods

pure :: a -> Scan a

(<*>) :: Scan (a -> b) -> Scan a -> Scan b

liftA2 :: (a -> b -> c) -> Scan a -> Scan b -> Scan c

(*>) :: Scan a -> Scan b -> Scan b

(<*) :: Scan a -> Scan b -> Scan a

Functor Scan

Defined in EVP.Internal

Methods

fmap :: (a -> b) -> Scan a -> Scan b

(<$) :: a -> Scan b -> Scan a