Yaya.Pattern

Common pattern functors (and instances for them).

Documentation

data XNor a b

Isomorphic to 'Maybe (a, b)', it’s also the pattern functor for lists.

Constructors

Neither

Both ~a b

Instances

Bifunctor XNor

Defined in Yaya.Pattern

Methods

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

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

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

Functor (XNor a)

Defined in Yaya.Pattern

Methods

fmap :: (a0 -> b) -> XNor a a0 -> XNor a b

(<$) :: a0 -> XNor a b -> XNor a a0

Foldable (XNor a)

Defined in Yaya.Pattern

Methods

fold :: Monoid m => XNor a m -> m

foldMap :: Monoid m => (a0 -> m) -> XNor a a0 -> m

foldMap' :: Monoid m => (a0 -> m) -> XNor a a0 -> m

foldr :: (a0 -> b -> b) -> b -> XNor a a0 -> b

foldr' :: (a0 -> b -> b) -> b -> XNor a a0 -> b

foldl :: (b -> a0 -> b) -> b -> XNor a a0 -> b

foldl' :: (b -> a0 -> b) -> b -> XNor a a0 -> b

foldr1 :: (a0 -> a0 -> a0) -> XNor a a0 -> a0

foldl1 :: (a0 -> a0 -> a0) -> XNor a a0 -> a0

toList :: XNor a a0 -> [a0]

null :: XNor a a0 -> Bool

length :: XNor a a0 -> Int

elem :: Eq a0 => a0 -> XNor a a0 -> Bool

maximum :: Ord a0 => XNor a a0 -> a0

minimum :: Ord a0 => XNor a a0 -> a0

sum :: Num a0 => XNor a a0 -> a0

product :: Num a0 => XNor a a0 -> a0

Traversable (XNor a)

Defined in Yaya.Pattern

Methods

traverse :: Applicative f => (a0 -> f b) -> XNor a a0 -> f (XNor a b)

sequenceA :: Applicative f => XNor a (f a0) -> f (XNor a a0)

mapM :: Monad m => (a0 -> m b) -> XNor a a0 -> m (XNor a b)

sequence :: Monad m => XNor a (m a0) -> m (XNor a a0)

Corecursive ((->) :: Type -> Type -> Type) ([a] :: Type) (XNor a :: Type -> Type)

Defined in Yaya.Fold.Native

Methods

ana :: forall (a0 :: k). Coalgebra (->) (XNor a) a0 -> a0 -> [a]

Projectable ((->) :: Type -> Type -> Type) ([a] :: Type) (XNor a :: Type -> Type)

Defined in Yaya.Fold

Methods

project :: Coalgebra (->) (XNor a) [a]

Steppable ((->) :: Type -> Type -> Type) ([a] :: Type) (XNor a :: Type -> Type)

Defined in Yaya.Fold

Methods

embed :: Algebra (->) (XNor a) [a]

data AndMaybe a b

Isomorphic to `(a, Maybe b)`, it’s also the pattern functor for non-empty lists.

Constructors

Only a

Indeed ~a b

Instances

Bifunctor AndMaybe

Defined in Yaya.Pattern

Methods

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

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

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

Functor (AndMaybe a)

Defined in Yaya.Pattern

Methods

fmap :: (a0 -> b) -> AndMaybe a a0 -> AndMaybe a b

(<$) :: a0 -> AndMaybe a b -> AndMaybe a a0

Foldable (AndMaybe a)

Defined in Yaya.Pattern

Methods

fold :: Monoid m => AndMaybe a m -> m

foldMap :: Monoid m => (a0 -> m) -> AndMaybe a a0 -> m

foldMap' :: Monoid m => (a0 -> m) -> AndMaybe a a0 -> m

foldr :: (a0 -> b -> b) -> b -> AndMaybe a a0 -> b

foldr' :: (a0 -> b -> b) -> b -> AndMaybe a a0 -> b

foldl :: (b -> a0 -> b) -> b -> AndMaybe a a0 -> b

foldl' :: (b -> a0 -> b) -> b -> AndMaybe a a0 -> b

foldr1 :: (a0 -> a0 -> a0) -> AndMaybe a a0 -> a0

foldl1 :: (a0 -> a0 -> a0) -> AndMaybe a a0 -> a0

toList :: AndMaybe a a0 -> [a0]

null :: AndMaybe a a0 -> Bool

length :: AndMaybe a a0 -> Int

elem :: Eq a0 => a0 -> AndMaybe a a0 -> Bool

maximum :: Ord a0 => AndMaybe a a0 -> a0

minimum :: Ord a0 => AndMaybe a a0 -> a0

sum :: Num a0 => AndMaybe a a0 -> a0

product :: Num a0 => AndMaybe a a0 -> a0

Traversable (AndMaybe a)

Defined in Yaya.Pattern

Methods

traverse :: Applicative f => (a0 -> f b) -> AndMaybe a a0 -> f (AndMaybe a b)

sequenceA :: Applicative f => AndMaybe a (f a0) -> f (AndMaybe a a0)

mapM :: Monad m => (a0 -> m b) -> AndMaybe a a0 -> m (AndMaybe a b)

sequence :: Monad m => AndMaybe a (m a0) -> m (AndMaybe a a0)

Corecursive ((->) :: Type -> Type -> Type) (NonEmpty a :: Type) (AndMaybe a :: Type -> Type)

Defined in Yaya.Fold.Native

Methods

ana :: forall (a0 :: k). Coalgebra (->) (AndMaybe a) a0 -> a0 -> NonEmpty a

Projectable ((->) :: Type -> Type -> Type) (NonEmpty a :: Type) (AndMaybe a :: Type -> Type)

Defined in Yaya.Fold

Methods

project :: Coalgebra (->) (AndMaybe a) (NonEmpty a)

Steppable ((->) :: Type -> Type -> Type) (NonEmpty a :: Type) (AndMaybe a :: Type -> Type)

Defined in Yaya.Fold

Methods

embed :: Algebra (->) (AndMaybe a) (NonEmpty a)