from Control.Monad import class Monad
from Control.Applicative import class Applicative, class Alternative
-:: Error = ParseError | LexError String | Expected [String]
+:: Error = ParseError | LexError String | Expected [String] Int
:: Parser a b = Parser ([a] -> (Either Error b, [a]))
instance Functor (Parser a)
instance toString Error
runParser :: (Parser a b) [a] -> (Either Error b, [a])
+(<?>) :: (Parser a b) (String, Int) -> Parser a b
fail :: Parser a b
top :: Parser a a
satisfy :: (a -> Bool) -> Parser a a