GetOpt

Documentation

data Opt a b

Constructors

Opt ([String] -> a -> Maybe ([String], a, b))

Instances

Monad (Opt s)

Functor (Opt s)

MonadPlus (Opt s)

pushArg :: String -> Opt a ()

updState :: (a -> a) -> Opt a ()

failed :: Opt a b

catchOpt :: Opt a b -> Opt a b -> Opt a b

prefixMatch :: String -> Opt a String

prefixed :: String -> Opt a b -> Opt a b

matches :: (String -> Bool) -> (String -> Opt a b) -> Opt a b

flag :: String -> (a -> a) -> Opt a ()

flags :: [(String, a -> a)] -> Opt a ()

opts :: [Opt a b] -> Opt a b

orOpt :: Opt a b -> Opt a b -> Opt a b

thenOpt :: Opt a b -> Opt a b -> Opt a b

toggle :: String -> String -> String -> (Bool -> a -> a) -> Opt a ()

toggles :: String -> String -> [(String, Bool -> a -> a)] -> Opt a ()

prefixArg :: String -> (String -> a -> a) -> Opt a ()

optionArg :: String -> (String -> Opt a b) -> Opt a b

optionWithOptArg :: String -> Opt a b -> Opt a b

string :: String -> Opt a ()

(-=) :: String -> a -> Opt [a] ()

(-==) :: String -> (String -> a) -> Opt [a] ()

(-===) :: String -> (String -> a) -> Opt [a] ()

(-====) :: String -> (Maybe String -> a) -> Opt [a] ()

(-?) :: (String -> Bool) -> (String -> a) -> Opt [a] ()

getOpts :: Opt a b -> a -> [String] -> ([String], a)