Data.Continue

Continue type.

Continue

data Continue x a

The Continue type represents values with three possibilities: a value of type Continue a b is one of Stop , Failure x or Continue a.

Constructors

Stop

Failure x

Continue a

Instances

Bifunctor Continue

Methods

bimap :: (a -> b) -> (c -> d) -> Continue a c -> Continue b d

first :: (a -> b) -> Continue a c -> Continue b c

second :: (b -> c) -> Continue a b -> Continue a c

Monad (Continue x)

Methods

(>>=) :: Continue x a -> (a -> Continue x b) -> Continue x b

(>>) :: Continue x a -> Continue x b -> Continue x b

return :: a -> Continue x a

fail :: String -> Continue x a

Functor (Continue x)

Methods

fmap :: (a -> b) -> Continue x a -> Continue x b

(<$) :: a -> Continue x b -> Continue x a

Applicative (Continue x)

Methods

pure :: a -> Continue x a

(<*>) :: Continue x (a -> b) -> Continue x a -> Continue x b

(*>) :: Continue x a -> Continue x b -> Continue x b

(<*) :: Continue x a -> Continue x b -> Continue x a

Foldable (Continue x)

Methods

fold :: Monoid m => Continue x m -> m

foldMap :: Monoid m => (a -> m) -> Continue x a -> m

foldr :: (a -> b -> b) -> b -> Continue x a -> b

foldr' :: (a -> b -> b) -> b -> Continue x a -> b

foldl :: (b -> a -> b) -> b -> Continue x a -> b

foldl' :: (b -> a -> b) -> b -> Continue x a -> b

foldr1 :: (a -> a -> a) -> Continue x a -> a

foldl1 :: (a -> a -> a) -> Continue x a -> a

toList :: Continue x a -> [a]

null :: Continue x a -> Bool

length :: Continue x a -> Int

elem :: Eq a => a -> Continue x a -> Bool

maximum :: Ord a => Continue x a -> a

minimum :: Ord a => Continue x a -> a

sum :: Num a => Continue x a -> a

product :: Num a => Continue x a -> a

Traversable (Continue x)

Methods

traverse :: Applicative f => (a -> f b) -> Continue x a -> f (Continue x b)

sequenceA :: Applicative f => Continue x (f a) -> f (Continue x a)

mapM :: Monad m => (a -> m b) -> Continue x a -> m (Continue x b)

sequence :: Monad m => Continue x (m a) -> m (Continue x a)

(Eq a, Eq x) => Eq (Continue x a)

Methods

(==) :: Continue x a -> Continue x a -> Bool

(/=) :: Continue x a -> Continue x a -> Bool

(Show a, Show x) => Show (Continue x a)

Methods

showsPrec :: Int -> Continue x a -> ShowS

show :: Continue x a -> String

showList :: [Continue x a] -> ShowS