Safe Haskell	Safe-Inferred
Language	Haskell2010

Agda.Utils.List2

Description

Lists of length at least 2.

Import as: import Agda.Utils.List2 (List2(List2)) import qualified Agda.Utils.List2 as List2

Synopsis

data List2 a = List2 a a [a]
head :: List2 a -> a
tail :: List2 a -> List1 a
init :: List2 a -> List1 a
fromListMaybe :: [a] -> Maybe (List2 a)
fromList1Maybe :: List1 a -> Maybe (List2 a)
toList1 :: List2 a -> List1 a
fromList1 :: List1 a -> List2 a
break :: (a -> Bool) -> List2 a -> ([a], [a])
toList :: IsList l => l -> [Item l]

Documentation

data List2 a Source #

Lists of length ≥2.

Constructors

List2 a a [a]

Instances

Instances details

Foldable List2 Source #
Instance details Defined in Agda.Utils.List2 Methods fold :: Monoid m => List2 m -> m # foldMap :: Monoid m => (a -> m) -> List2 a -> m # foldMap' :: Monoid m => (a -> m) -> List2 a -> m # foldr :: (a -> b -> b) -> b -> List2 a -> b # foldr' :: (a -> b -> b) -> b -> List2 a -> b # foldl :: (b -> a -> b) -> b -> List2 a -> b # foldl' :: (b -> a -> b) -> b -> List2 a -> b # foldr1 :: (a -> a -> a) -> List2 a -> a # foldl1 :: (a -> a -> a) -> List2 a -> a # toList :: List2 a -> [a] # null :: List2 a -> Bool # length :: List2 a -> Int # elem :: Eq a => a -> List2 a -> Bool # maximum :: Ord a => List2 a -> a # minimum :: Ord a => List2 a -> a # sum :: Num a => List2 a -> a # product :: Num a => List2 a -> a #
Traversable List2 Source #
Instance details Defined in Agda.Utils.List2 Methods traverse :: Applicative f => (a -> f b) -> List2 a -> f (List2 b) # sequenceA :: Applicative f => List2 (f a) -> f (List2 a) # mapM :: Monad m => (a -> m b) -> List2 a -> m (List2 b) # sequence :: Monad m => List2 (m a) -> m (List2 a) #
Functor List2 Source #
Instance details Defined in Agda.Utils.List2 Methods fmap :: (a -> b) -> List2 a -> List2 b # (<$) :: a -> List2 b -> List2 a #
ExprLike a => ExprLike (List2 a) Source #
Instance details Defined in Agda.Syntax.Concrete.Generic Methods mapExpr :: (Expr -> Expr) -> List2 a -> List2 a Source # foldExpr :: Monoid m => (Expr -> m) -> List2 a -> m Source # traverseExpr :: Monad m => (Expr -> m Expr) -> List2 a -> m (List2 a) Source #
CPatternLike p => CPatternLike (List2 p) Source #
Instance details Defined in Agda.Syntax.Concrete.Pattern Methods foldrCPattern :: Monoid m => (Pattern -> m -> m) -> List2 p -> m Source # traverseCPatternA :: (Applicative m, Functor m) => (Pattern -> m Pattern -> m Pattern) -> List2 p -> m (List2 p) Source # traverseCPatternM :: Monad m => (Pattern -> m Pattern) -> (Pattern -> m Pattern) -> List2 p -> m (List2 p) Source #
HasRange a => HasRange (List2 a) Source #
Instance details Defined in Agda.Syntax.Position Methods getRange :: List2 a -> Range Source #
KillRange a => KillRange (List2 a) Source #
Instance details Defined in Agda.Syntax.Position Methods killRange :: KillRangeT (List2 a) Source #
EmbPrj a => EmbPrj (List2 a) Source #
Instance details Defined in Agda.TypeChecking.Serialise.Instances.Common Methods icode :: List2 a -> S Int32 Source # icod_ :: List2 a -> S Int32 Source # value :: Int32 -> R (List2 a) Source #
Data a => Data (List2 a) Source #
Instance details Defined in Agda.Utils.List2 Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> List2 a -> c (List2 a) # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (List2 a) # toConstr :: List2 a -> Constr # dataTypeOf :: List2 a -> DataType # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (List2 a)) # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (List2 a)) # gmapT :: (forall b. Data b => b -> b) -> List2 a -> List2 a # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> List2 a -> r # gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> List2 a -> r # gmapQ :: (forall d. Data d => d -> u) -> List2 a -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> List2 a -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> List2 a -> m (List2 a) # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> List2 a -> m (List2 a) # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> List2 a -> m (List2 a) #
IsList (List2 a) Source #
Instance details Defined in Agda.Utils.List2 Associated Types type Item (List2 a) # Methods fromList :: [Item (List2 a)] -> List2 a # fromListN :: Int -> [Item (List2 a)] -> List2 a # toList :: List2 a -> [Item (List2 a)] #
Show a => Show (List2 a) Source #
Instance details Defined in Agda.Utils.List2 Methods showsPrec :: Int -> List2 a -> ShowS # show :: List2 a -> String # showList :: [List2 a] -> ShowS #
NFData a => NFData (List2 a) Source #
Instance details Defined in Agda.Utils.List2 Methods rnf :: List2 a -> () #
Eq a => Eq (List2 a) Source #
Instance details Defined in Agda.Utils.List2 Methods (==) :: List2 a -> List2 a -> Bool # (/=) :: List2 a -> List2 a -> Bool #
Ord a => Ord (List2 a) Source #
Instance details Defined in Agda.Utils.List2 Methods compare :: List2 a -> List2 a -> Ordering # (<) :: List2 a -> List2 a -> Bool # (<=) :: List2 a -> List2 a -> Bool # (>) :: List2 a -> List2 a -> Bool # (>=) :: List2 a -> List2 a -> Bool # max :: List2 a -> List2 a -> List2 a # min :: List2 a -> List2 a -> List2 a #
type Item (List2 a) Source #
Instance details Defined in Agda.Utils.List2 type Item (List2 a) = a

head :: List2 a -> a Source #

Safe. O(1).

tail :: List2 a -> List1 a Source #

Safe. O(1).

init :: List2 a -> List1 a Source #

Safe. O(n).

fromListMaybe :: [a] -> Maybe (List2 a) Source #

Safe. O(1).

fromList1Maybe :: List1 a -> Maybe (List2 a) Source #

Safe. O(1).

toList1 :: List2 a -> List1 a Source #

Safe. O(1).

fromList1 :: List1 a -> List2 a Source #

Unsafe!

break :: (a -> Bool) -> List2 a -> ([a], [a]) Source #

toList :: IsList l => l -> [Item l] #

The toList function extracts a list of Item l from the structure l. It should satisfy fromList . toList = id.