Servant.API.Alternative

Documentation

data a :<|> b infixr 8

Union of two APIs, first takes precedence in case of overlap.

Example:

>>> :{
type MyApi = "books" :> Get '[JSON] [Book] -- GET /books
       :<|> "books" :> ReqBody '[JSON] Book :> Post '[JSON] () -- POST /books
:}

Constructors

a :<|> b infixr 8

Instances

Functor ((:<|>) a)

Methods

fmap :: (a -> b) -> (a :<|> a) -> a :<|> b

(<$) :: a -> (a :<|> b) -> a :<|> a

Foldable ((:<|>) a)

Methods

fold :: Monoid m => (a :<|> m) -> m

foldMap :: Monoid m => (a -> m) -> (a :<|> a) -> m

foldr :: (a -> b -> b) -> b -> (a :<|> a) -> b

foldr' :: (a -> b -> b) -> b -> (a :<|> a) -> b

foldl :: (b -> a -> b) -> b -> (a :<|> a) -> b

foldl' :: (b -> a -> b) -> b -> (a :<|> a) -> b

foldr1 :: (a -> a -> a) -> (a :<|> a) -> a

foldl1 :: (a -> a -> a) -> (a :<|> a) -> a

toList :: (a :<|> a) -> [a]

null :: (a :<|> a) -> Bool

length :: (a :<|> a) -> Int

elem :: Eq a => a -> (a :<|> a) -> Bool

maximum :: Ord a => (a :<|> a) -> a

minimum :: Ord a => (a :<|> a) -> a

sum :: Num a => (a :<|> a) -> a

product :: Num a => (a :<|> a) -> a

Traversable ((:<|>) a)

Methods

traverse :: Applicative f => (a -> f b) -> (a :<|> a) -> f (a :<|> b)

sequenceA :: Applicative f => (a :<|> f a) -> f (a :<|> a)

mapM :: Monad m => (a -> m b) -> (a :<|> a) -> m (a :<|> b)

sequence :: Monad m => (a :<|> m a) -> m (a :<|> a)

(Bounded a, Bounded b) => Bounded ((:<|>) a b)

Methods

minBound :: a :<|> b

maxBound :: a :<|> b

(Eq a, Eq b) => Eq ((:<|>) a b)

Methods

(==) :: (a :<|> b) -> (a :<|> b) -> Bool

(/=) :: (a :<|> b) -> (a :<|> b) -> Bool

(Show a, Show b) => Show ((:<|>) a b)

Methods

showsPrec :: Int -> (a :<|> b) -> ShowS

show :: (a :<|> b) -> String

showList :: [a :<|> b] -> ShowS

(Monoid a, Monoid b) => Monoid ((:<|>) a b)

Methods

mempty :: a :<|> b

mappend :: (a :<|> b) -> (a :<|> b) -> a :<|> b

mconcat :: [a :<|> b] -> a :<|> b

(Enter typ1 arg1 ret1, Enter typ2 arg2 ret2, (~) * arg1 arg2) => Enter ((:<|>) typ1 typ2) arg1 ((:<|>) ret1 ret2)

Methods

enter :: arg1 -> (typ1 :<|> typ2) -> ret1 :<|> ret2