- where
- until` :: (Parser a b) (Parser a c) [b] -> Parser a [b]
- until` p guard acc = Parser \i -> case runParser guard i of
- (Right _, rest) = (Right acc, rest)
- (Left _, _) = case runParser p i of
- (Right r, rest) = runParser (until` p guard [r:acc]) rest
- (Left e, _) = (Left e, i)
- try :: (Parser a b) -> Parser a b
- try p = Parser \i -> case runParser p i of
- (Left e, _) = (Left e, i)
- (Right r, rest) = (Right r, rest)
-
+ where
+ until` :: (Parser a b) (Parser a c) [b] -> Parser a [b]
+ until` p guard acc = Parser \i -> case runParser guard i of
+ (Right _, rest) = (Right acc, rest)
+ (Left _, _) = case runParser p i of
+ (Right r, rest) = runParser (until` p guard [r:acc]) rest
+ (Left e, _) = (Left e, i)
+ try :: (Parser a b) -> Parser a b
+ try p = Parser \i -> case runParser p i of
+ (Left e, _) = (Left e, i)
+ (Right r, rest) = (Right r, rest)