Data.Valid

Documentation

data Valid e a

Constructors

Failure e

Valid a

Instances

Functor (Valid e)

Defined in Data.Valid

Methods

fmap :: (a -> b) -> Valid e a -> Valid e b

(<$) :: a -> Valid e b -> Valid e a

Semigroup e => Applicative (Valid e)

Defined in Data.Valid

Methods

pure :: a -> Valid e a

(<*>) :: Valid e (a -> b) -> Valid e a -> Valid e b

liftA2 :: (a -> b -> c) -> Valid e a -> Valid e b -> Valid e c

(*>) :: Valid e a -> Valid e b -> Valid e b

(<*) :: Valid e a -> Valid e b -> Valid e a

Foldable (Valid e)

Defined in Data.Valid

Methods

fold :: Monoid m => Valid e m -> m

foldMap :: Monoid m => (a -> m) -> Valid e a -> m

foldr :: (a -> b -> b) -> b -> Valid e a -> b

foldr' :: (a -> b -> b) -> b -> Valid e a -> b

foldl :: (b -> a -> b) -> b -> Valid e a -> b

foldl' :: (b -> a -> b) -> b -> Valid e a -> b

foldr1 :: (a -> a -> a) -> Valid e a -> a

foldl1 :: (a -> a -> a) -> Valid e a -> a

toList :: Valid e a -> [a]

null :: Valid e a -> Bool

length :: Valid e a -> Int

elem :: Eq a => a -> Valid e a -> Bool

maximum :: Ord a => Valid e a -> a

minimum :: Ord a => Valid e a -> a

sum :: Num a => Valid e a -> a

product :: Num a => Valid e a -> a

Traversable (Valid e)

Defined in Data.Valid

Methods

traverse :: Applicative f => (a -> f b) -> Valid e a -> f (Valid e b)

sequenceA :: Applicative f => Valid e (f a) -> f (Valid e a)

mapM :: Monad m => (a -> m b) -> Valid e a -> m (Valid e b)

sequence :: Monad m => Valid e (m a) -> m (Valid e a)

(Eq e, Eq a) => Eq (Valid e a)

Defined in Data.Valid

Methods

(==) :: Valid e a -> Valid e a -> Bool

(/=) :: Valid e a -> Valid e a -> Bool

(Read e, Read a) => Read (Valid e a)

Defined in Data.Valid

Methods

readsPrec :: Int -> ReadS (Valid e a)

readList :: ReadS [Valid e a]

readPrec :: ReadPrec (Valid e a)

readListPrec :: ReadPrec [Valid e a]

(Show e, Show a) => Show (Valid e a)

Defined in Data.Valid

Methods

showsPrec :: Int -> Valid e a -> ShowS

show :: Valid e a -> String

showList :: [Valid e a] -> ShowS