Copyright	(C) Frank Staals
License	see the LICENSE file
Maintainer	Frank Staals
Safe Haskell	None
Language	GHC2021

HGeometry.Small.TwoOrThree

Description

A type expressing that some value may have two or three values

Synopsis

newtype TwoOrThree a = TwoOrThree (Either (Two a) (Three a))
type Two = V2
type Three = V3
pattern Two :: a -> a -> Two a
pattern Three :: a -> a -> a -> Three a

Documentation

newtype TwoOrThree a Source #

Either two or three elements

Constructors

TwoOrThree (Either (Two a) (Three a))

Instances

Instances details

Foldable1 TwoOrThree Source #
Instance details Defined in HGeometry.Small.TwoOrThree Methods fold1 :: Semigroup m => TwoOrThree m -> m # foldMap1 :: Semigroup m => (a -> m) -> TwoOrThree a -> m # foldMap1' :: Semigroup m => (a -> m) -> TwoOrThree a -> m # toNonEmpty :: TwoOrThree a -> NonEmpty a # maximum :: Ord a => TwoOrThree a -> a # minimum :: Ord a => TwoOrThree a -> a # head :: TwoOrThree a -> a # last :: TwoOrThree a -> a # foldrMap1 :: (a -> b) -> (a -> b -> b) -> TwoOrThree a -> b # foldlMap1' :: (a -> b) -> (b -> a -> b) -> TwoOrThree a -> b # foldlMap1 :: (a -> b) -> (b -> a -> b) -> TwoOrThree a -> b # foldrMap1' :: (a -> b) -> (a -> b -> b) -> TwoOrThree a -> b #
Functor TwoOrThree Source #
Instance details Defined in HGeometry.Small.TwoOrThree Methods fmap :: (a -> b) -> TwoOrThree a -> TwoOrThree b # (<$) :: a -> TwoOrThree b -> TwoOrThree a #
Foldable TwoOrThree Source #
Instance details Defined in HGeometry.Small.TwoOrThree Methods fold :: Monoid m => TwoOrThree m -> m # foldMap :: Monoid m => (a -> m) -> TwoOrThree a -> m # foldMap' :: Monoid m => (a -> m) -> TwoOrThree a -> m # foldr :: (a -> b -> b) -> b -> TwoOrThree a -> b # foldr' :: (a -> b -> b) -> b -> TwoOrThree a -> b # foldl :: (b -> a -> b) -> b -> TwoOrThree a -> b # foldl' :: (b -> a -> b) -> b -> TwoOrThree a -> b # foldr1 :: (a -> a -> a) -> TwoOrThree a -> a # foldl1 :: (a -> a -> a) -> TwoOrThree a -> a # toList :: TwoOrThree a -> [a] # null :: TwoOrThree a -> Bool # length :: TwoOrThree a -> Int # elem :: Eq a => a -> TwoOrThree a -> Bool # maximum :: Ord a => TwoOrThree a -> a # minimum :: Ord a => TwoOrThree a -> a # sum :: Num a => TwoOrThree a -> a # product :: Num a => TwoOrThree a -> a #
Traversable TwoOrThree Source #
Instance details Defined in HGeometry.Small.TwoOrThree Methods traverse :: Applicative f => (a -> f b) -> TwoOrThree a -> f (TwoOrThree b) # sequenceA :: Applicative f => TwoOrThree (f a) -> f (TwoOrThree a) # mapM :: Monad m => (a -> m b) -> TwoOrThree a -> m (TwoOrThree b) # sequence :: Monad m => TwoOrThree (m a) -> m (TwoOrThree a) #
Traversable1 TwoOrThree Source #
Instance details Defined in HGeometry.Small.TwoOrThree Methods traverse1 :: Apply f => (a -> f b) -> TwoOrThree a -> f (TwoOrThree b) Source # sequence1 :: Apply f => TwoOrThree (f b) -> f (TwoOrThree b) Source #
Show a => Show (TwoOrThree a) Source #
Instance details Defined in HGeometry.Small.TwoOrThree Methods showsPrec :: Int -> TwoOrThree a -> ShowS # show :: TwoOrThree a -> String # showList :: [TwoOrThree a] -> ShowS #
Eq a => Eq (TwoOrThree a) Source #
Instance details Defined in HGeometry.Small.TwoOrThree Methods (==) :: TwoOrThree a -> TwoOrThree a -> Bool # (/=) :: TwoOrThree a -> TwoOrThree a -> Bool #
Ord a => Ord (TwoOrThree a) Source #
Instance details Defined in HGeometry.Small.TwoOrThree Methods compare :: TwoOrThree a -> TwoOrThree a -> Ordering # (<) :: TwoOrThree a -> TwoOrThree a -> Bool # (<=) :: TwoOrThree a -> TwoOrThree a -> Bool # (>) :: TwoOrThree a -> TwoOrThree a -> Bool # (>=) :: TwoOrThree a -> TwoOrThree a -> Bool # max :: TwoOrThree a -> TwoOrThree a -> TwoOrThree a # min :: TwoOrThree a -> TwoOrThree a -> TwoOrThree a #

type Two = V2 Source #

Strict pair whose elements are of the same type.

Strict pair with both items the same

type Three = V3 Source #

Strict Triple with all items the same

pattern Two :: a -> a -> Two a Source #

Pattern synonym for strict pairs.

pattern Three :: a -> a -> a -> Three a Source #

Pattern synonym for strict triples.