base-compat-batteries-0.11.1: base-compat with extra batteries
Safe HaskellSafe-Inferred
LanguageHaskell98

Data.List.NonEmpty.Compat

Description

This backports the modern Data.Semigroup interface back to base-4.9/GHC 8.0.

Synopsis

The type of non-empty streams

data NonEmpty a #

Constructors

a :| [a] 

Instances

Instances details
Monad NonEmpty 
Instance details

Defined in GHC.Base

Methods

(>>=) :: NonEmpty a -> (a -> NonEmpty b) -> NonEmpty b #

(>>) :: NonEmpty a -> NonEmpty b -> NonEmpty b #

return :: a -> NonEmpty a #

Functor NonEmpty 
Instance details

Defined in GHC.Base

Methods

fmap :: (a -> b) -> NonEmpty a -> NonEmpty b #

(<$) :: a -> NonEmpty b -> NonEmpty a #

Applicative NonEmpty 
Instance details

Defined in GHC.Base

Methods

pure :: a -> NonEmpty a

(<*>) :: NonEmpty (a -> b) -> NonEmpty a -> NonEmpty b

liftA2 :: (a -> b -> c) -> NonEmpty a -> NonEmpty b -> NonEmpty c

(*>) :: NonEmpty a -> NonEmpty b -> NonEmpty b

(<*) :: NonEmpty a -> NonEmpty b -> NonEmpty a

Foldable NonEmpty 
Instance details

Defined in Data.Foldable

Methods

fold :: Monoid m => NonEmpty m -> m

foldMap :: Monoid m => (a -> m) -> NonEmpty a -> m

foldMap' :: Monoid m => (a -> m) -> NonEmpty a -> m

foldr :: (a -> b -> b) -> b -> NonEmpty a -> b

foldr' :: (a -> b -> b) -> b -> NonEmpty a -> b

foldl :: (b -> a -> b) -> b -> NonEmpty a -> b

foldl' :: (b -> a -> b) -> b -> NonEmpty a -> b

foldr1 :: (a -> a -> a) -> NonEmpty a -> a

foldl1 :: (a -> a -> a) -> NonEmpty a -> a

toList :: NonEmpty a -> [a]

null :: NonEmpty a -> Bool

length :: NonEmpty a -> Int

elem :: Eq a => a -> NonEmpty a -> Bool

maximum :: Ord a => NonEmpty a -> a

minimum :: Ord a => NonEmpty a -> a

sum :: Num a => NonEmpty a -> a

product :: Num a => NonEmpty a -> a

Traversable NonEmpty 
Instance details

Defined in Data.Traversable

Methods

traverse :: Applicative f => (a -> f b) -> NonEmpty a -> f (NonEmpty b)

sequenceA :: Applicative f => NonEmpty (f a) -> f (NonEmpty a)

mapM :: Monad m => (a -> m b) -> NonEmpty a -> m (NonEmpty b) #

sequence :: Monad m => NonEmpty (m a) -> m (NonEmpty a) #

Eq a => Eq (NonEmpty a) 
Instance details

Defined in GHC.Base

Methods

(==) :: NonEmpty a -> NonEmpty a -> Bool

(/=) :: NonEmpty a -> NonEmpty a -> Bool

Ord a => Ord (NonEmpty a) 
Instance details

Defined in GHC.Base

Methods

compare :: NonEmpty a -> NonEmpty a -> Ordering

(<) :: NonEmpty a -> NonEmpty a -> Bool

(<=) :: NonEmpty a -> NonEmpty a -> Bool

(>) :: NonEmpty a -> NonEmpty a -> Bool

(>=) :: NonEmpty a -> NonEmpty a -> Bool

max :: NonEmpty a -> NonEmpty a -> NonEmpty a

min :: NonEmpty a -> NonEmpty a -> NonEmpty a

Read a => Read (NonEmpty a) 
Instance details

Defined in GHC.Read

Methods

readsPrec :: Int -> ReadS (NonEmpty a) #

readList :: ReadS [NonEmpty a] #

readPrec :: ReadPrec (NonEmpty a) #

readListPrec :: ReadPrec [NonEmpty a] #

Show a => Show (NonEmpty a) 
Instance details

Defined in GHC.Show

Methods

showsPrec :: Int -> NonEmpty a -> ShowS

show :: NonEmpty a -> String

showList :: [NonEmpty a] -> ShowS

Semigroup (NonEmpty a) 
Instance details

Defined in GHC.Base

Methods

(<>) :: NonEmpty a -> NonEmpty a -> NonEmpty a #

sconcat :: NonEmpty (NonEmpty a) -> NonEmpty a #

stimes :: Integral b => b -> NonEmpty a -> NonEmpty a #

Non-empty stream transformations

map :: (a -> b) -> NonEmpty a -> NonEmpty b #

scanl :: Foldable f => (b -> a -> b) -> b -> f a -> NonEmpty b #

scanr :: Foldable f => (a -> b -> b) -> b -> f a -> NonEmpty b #

scanl1 :: (a -> a -> a) -> NonEmpty a -> NonEmpty a #

scanr1 :: (a -> a -> a) -> NonEmpty a -> NonEmpty a #

sortBy :: (a -> a -> Ordering) -> NonEmpty a -> NonEmpty a #

sortWith :: Ord o => (a -> o) -> NonEmpty a -> NonEmpty a #

Basic functions

length :: NonEmpty a -> Int #

head :: NonEmpty a -> a #

tail :: NonEmpty a -> [a] #

last :: NonEmpty a -> a #

init :: NonEmpty a -> [a] #

(<|) :: a -> NonEmpty a -> NonEmpty a #

cons :: a -> NonEmpty a -> NonEmpty a #

uncons :: NonEmpty a -> (a, Maybe (NonEmpty a)) #

unfoldr :: (a -> (b, Maybe a)) -> a -> NonEmpty b #

sort :: Ord a => NonEmpty a -> NonEmpty a #

inits :: Foldable f => f a -> NonEmpty [a] #

tails :: Foldable f => f a -> NonEmpty [a] #

Building streams

iterate :: (a -> a) -> a -> NonEmpty a #

repeat :: a -> NonEmpty a #

unfold :: (a -> (b, Maybe a)) -> a -> NonEmpty b #

insert :: (Foldable f, Ord a) => a -> f a -> NonEmpty a #

some1 :: Alternative f => f a -> f (NonEmpty a) #

Extracting sublists

take :: Int -> NonEmpty a -> [a] #

drop :: Int -> NonEmpty a -> [a] #

splitAt :: Int -> NonEmpty a -> ([a], [a]) #

takeWhile :: (a -> Bool) -> NonEmpty a -> [a] #

dropWhile :: (a -> Bool) -> NonEmpty a -> [a] #

span :: (a -> Bool) -> NonEmpty a -> ([a], [a]) #

break :: (a -> Bool) -> NonEmpty a -> ([a], [a]) #

filter :: (a -> Bool) -> NonEmpty a -> [a] #

partition :: (a -> Bool) -> NonEmpty a -> ([a], [a]) #

group :: (Foldable f, Eq a) => f a -> [NonEmpty a] #

groupBy :: Foldable f => (a -> a -> Bool) -> f a -> [NonEmpty a] #

groupWith :: (Foldable f, Eq b) => (a -> b) -> f a -> [NonEmpty a] #

groupAllWith :: Ord b => (a -> b) -> [a] -> [NonEmpty a] #

group1 :: Eq a => NonEmpty a -> NonEmpty (NonEmpty a) #

groupBy1 :: (a -> a -> Bool) -> NonEmpty a -> NonEmpty (NonEmpty a) #

groupWith1 :: Eq b => (a -> b) -> NonEmpty a -> NonEmpty (NonEmpty a) #

groupAllWith1 :: Ord b => (a -> b) -> NonEmpty a -> NonEmpty (NonEmpty a) #

Sublist predicates

isPrefixOf :: Eq a => [a] -> NonEmpty a -> Bool #

"Set" operations

nub :: Eq a => NonEmpty a -> NonEmpty a #

nubBy :: (a -> a -> Bool) -> NonEmpty a -> NonEmpty a #

Indexing streams

(!!) :: NonEmpty a -> Int -> a #

Zipping and unzipping streams

zip :: NonEmpty a -> NonEmpty b -> NonEmpty (a, b) #

zipWith :: (a -> b -> c) -> NonEmpty a -> NonEmpty b -> NonEmpty c #

unzip :: Functor f => f (a, b) -> (f a, f b) #

Converting to and from a list

fromList :: [a] -> NonEmpty a #

toList :: NonEmpty a -> [a] #

nonEmpty :: [a] -> Maybe (NonEmpty a) #

xor :: NonEmpty Bool -> Bool #