Safe Haskell	None
Language	Haskell2010

Data.HList.HArray

Contents

Lookup
Delete
Update
Projection
Complement of Projection
Splitting

Description

The HList library

Array-like access to HLists.

Synopsis

class HLookupByHNat (n :: HNat) (l :: [*]) where
- type HLookupByHNatR (n :: HNat) (l :: [*]) :: *
- hLookupByHNat :: Proxy n -> HList l -> HLookupByHNatR n l
class HDeleteAtHNat (n :: HNat) (l :: [*]) where
- type HDeleteAtHNatR (n :: HNat) (l :: [*]) :: [*]
- hDeleteAtHNat :: Proxy n -> HList l -> HList (HDeleteAtHNatR n l)
class HUpdateAtHNat' n e l l => HUpdateAtHNat n e l where
- hUpdateAtHNat :: Proxy n -> e -> HList l -> HList (HUpdateAtHNatR n e l)
class HUpdateAtHNat' (n :: HNat) e (l :: [*]) (l0 :: [*]) where
- type HUpdateAtHNatR (n :: HNat) e (l :: [*]) :: [*]
- hUpdateAtHNat' :: Proxy l0 -> Proxy n -> e -> HList l -> HList (HUpdateAtHNatR n e l)
hProjectByHNats' :: forall (a :: [Type]) (b :: [Type]) r (l :: [Type]). (SameLength' a b, SameLength' b a, HMapAux r (FHLookupByHNat l) a b) => r a -> HList l -> r b
newtype FHLookupByHNat (l :: [*]) = FHLookupByHNat (HList l)
hProjectByHNats :: forall (ns :: [HNat]) a (z :: [Type]). (HUnfoldFD (FHUProj 'True ns) (ApplyR (FHUProj 'True ns) (a, Proxy 'HZero)) z, Apply (FHUProj 'True ns) (a, Proxy 'HZero)) => Proxy ns -> a -> HList z
data FHUProj (sel :: Bool) (ns :: [HNat]) = FHUProj
type family KMember (n :: HNat) (ns :: [HNat]) :: Bool
type HProjectByHNatsR (ns :: [HNat]) (l :: [*]) = HUnfold (FHUProj True ns) (HList l, Proxy 'HZero)
type HProjectByHNatsCtx ns l = (Apply (FHUProj True ns) (HList l, Proxy 'HZero), HUnfold' (FHUProj True ns) (HList l, Proxy 'HZero))
hProjectAwayByHNats :: forall (ns :: [HNat]) a (z :: [Type]). (HUnfoldFD (FHUProj 'False ns) (ApplyR (FHUProj 'False ns) (a, Proxy 'HZero)) z, Apply (FHUProj 'False ns) (a, Proxy 'HZero)) => Proxy ns -> a -> HList z
type HProjectAwayByHNatsR (ns :: [HNat]) (l :: [*]) = HUnfold (FHUProj False ns) (HList l, Proxy 'HZero)
type HProjectAwayByHNatsCtx ns l = (Apply (FHUProj False ns) (HList l, Proxy 'HZero), HUnfold' (FHUProj False ns) (HList l, Proxy 'HZero))
hSplitByHNats :: forall (ns :: [HNat]) a (z1 :: [Type]) (z2 :: [Type]). (HUnfoldFD (FHUProj 'True ns) (ApplyR (FHUProj 'True ns) (a, Proxy 'HZero)) z1, HUnfoldFD (FHUProj 'False ns) (ApplyR (FHUProj 'False ns) (a, Proxy 'HZero)) z2, Apply (FHUProj 'True ns) (a, Proxy 'HZero), Apply (FHUProj 'False ns) (a, Proxy 'HZero)) => Proxy ns -> a -> (HList z1, HList z2)

Lookup

class HLookupByHNat (n :: HNat) (l :: [*]) where Source #

Associated Types

type HLookupByHNatR (n :: HNat) (l :: [*]) :: * Source #

Methods

hLookupByHNat :: Proxy n -> HList l -> HLookupByHNatR n l Source #

Instances

Instances details

HLookupByHNat 'HZero (e ': l) Source #
Instance details Defined in Data.HList.HArray Associated Types type HLookupByHNatR 'HZero (e ': l) Source # Methods hLookupByHNat :: Proxy 'HZero -> HList (e ': l) -> HLookupByHNatR 'HZero (e ': l) Source #
HLookupByHNat n l => HLookupByHNat ('HSucc n) (e ': l) Source #
Instance details Defined in Data.HList.HArray Associated Types type HLookupByHNatR ('HSucc n) (e ': l) Source # Methods hLookupByHNat :: Proxy ('HSucc n) -> HList (e ': l) -> HLookupByHNatR ('HSucc n) (e ': l) Source #

Delete

class HDeleteAtHNat (n :: HNat) (l :: [*]) where Source #

Associated Types

type HDeleteAtHNatR (n :: HNat) (l :: [*]) :: [*] Source #

Methods

hDeleteAtHNat :: Proxy n -> HList l -> HList (HDeleteAtHNatR n l) Source #

Instances

Instances details

HDeleteAtHNat 'HZero (e ': l) Source #
Instance details Defined in Data.HList.HArray Associated Types type HDeleteAtHNatR 'HZero (e ': l) :: [Type] Source # Methods hDeleteAtHNat :: Proxy 'HZero -> HList (e ': l) -> HList (HDeleteAtHNatR 'HZero (e ': l)) Source #
HDeleteAtHNat n l => HDeleteAtHNat ('HSucc n) (e ': l) Source #
Instance details Defined in Data.HList.HArray Associated Types type HDeleteAtHNatR ('HSucc n) (e ': l) :: [Type] Source # Methods hDeleteAtHNat :: Proxy ('HSucc n) -> HList (e ': l) -> HList (HDeleteAtHNatR ('HSucc n) (e ': l)) Source #

Update

class HUpdateAtHNat' n e l l => HUpdateAtHNat n e l where Source #

Methods

hUpdateAtHNat :: Proxy n -> e -> HList l -> HList (HUpdateAtHNatR n e l) Source #

Instances

Instances details

HUpdateAtHNat' n e l l => HUpdateAtHNat n e l Source #
Instance details Defined in Data.HList.HArray Methods hUpdateAtHNat :: Proxy n -> e -> HList l -> HList (HUpdateAtHNatR n e l) Source #

class HUpdateAtHNat' (n :: HNat) e (l :: [*]) (l0 :: [*]) where Source #

Associated Types

type HUpdateAtHNatR (n :: HNat) e (l :: [*]) :: [*] Source #

Methods

hUpdateAtHNat' :: Proxy l0 -> Proxy n -> e -> HList l -> HList (HUpdateAtHNatR n e l) Source #

Instances

Instances details

Fail (HNatIndexTooLarge n HList l0) => HUpdateAtHNat' n e1 ('[] :: [Type]) l0 Source #
Instance details Defined in Data.HList.HArray Associated Types type HUpdateAtHNatR n e1 '[] :: [Type] Source # Methods hUpdateAtHNat' :: Proxy l0 -> Proxy n -> e1 -> HList '[] -> HList (HUpdateAtHNatR n e1 '[]) Source #
HUpdateAtHNat' 'HZero e1 (e ': l) l0 Source #
Instance details Defined in Data.HList.HArray Associated Types type HUpdateAtHNatR 'HZero e1 (e ': l) :: [Type] Source # Methods hUpdateAtHNat' :: Proxy l0 -> Proxy 'HZero -> e1 -> HList (e ': l) -> HList (HUpdateAtHNatR 'HZero e1 (e ': l)) Source #
HUpdateAtHNat' n e1 l l0 => HUpdateAtHNat' ('HSucc n) e1 (e ': l) l0 Source #
Instance details Defined in Data.HList.HArray Associated Types type HUpdateAtHNatR ('HSucc n) e1 (e ': l) :: [Type] Source # Methods hUpdateAtHNat' :: Proxy l0 -> Proxy ('HSucc n) -> e1 -> HList (e ': l) -> HList (HUpdateAtHNatR ('HSucc n) e1 (e ': l)) Source #

Projection

hProjectByHNats' :: forall (a :: [Type]) (b :: [Type]) r (l :: [Type]). (SameLength' a b, SameLength' b a, HMapAux r (FHLookupByHNat l) a b) => r a -> HList l -> r b Source #

newtype FHLookupByHNat (l :: [*]) Source #

Constructors

FHLookupByHNat (HList l)

Instances

Instances details

HLookupByHNat n l => Apply (FHLookupByHNat l) (Proxy n) Source #
Instance details Defined in Data.HList.HArray Associated Types type ApplyR (FHLookupByHNat l) (Proxy n) Source # Methods apply :: FHLookupByHNat l -> Proxy n -> ApplyR (FHLookupByHNat l) (Proxy n) Source #
type ApplyR (FHLookupByHNat l) (Proxy n) Source #
Instance details Defined in Data.HList.HArray type ApplyR (FHLookupByHNat l) (Proxy n) = HLookupByHNatR n l

hProjectByHNats :: forall (ns :: [HNat]) a (z :: [Type]). (HUnfoldFD (FHUProj 'True ns) (ApplyR (FHUProj 'True ns) (a, Proxy 'HZero)) z, Apply (FHUProj 'True ns) (a, Proxy 'HZero)) => Proxy ns -> a -> HList z Source #

data FHUProj (sel :: Bool) (ns :: [HNat]) Source #

Constructors

FHUProj

Instances

Instances details

Apply (FHUProj sel ns) (HList l, Proxy ('HSucc n)) => Apply (Proxy 'False, FHUProj sel ns) (HList (e ': l), Proxy n) Source #
Instance details Defined in Data.HList.HArray Associated Types type ApplyR (Proxy 'False, FHUProj sel ns) (HList (e ': l), Proxy n) Source # Methods apply :: (Proxy 'False, FHUProj sel ns) -> (HList (e ': l), Proxy n) -> ApplyR (Proxy 'False, FHUProj sel ns) (HList (e ': l), Proxy n) Source #
Apply (Proxy 'True, FHUProj sel ns) (HList (e ': l), Proxy n) Source #
Instance details Defined in Data.HList.HArray Associated Types type ApplyR (Proxy 'True, FHUProj sel ns) (HList (e ': l), Proxy n) Source # Methods apply :: (Proxy 'True, FHUProj sel ns) -> (HList (e ': l), Proxy n) -> ApplyR (Proxy 'True, FHUProj sel ns) (HList (e ': l), Proxy n) Source #
(ch ~ Proxy (HBoolEQ sel (KMember n ns)), Apply (ch, FHUProj sel ns) (HList (e ': l), Proxy n)) => Apply (FHUProj sel ns) (HList (e ': l), Proxy n) Source #
Instance details Defined in Data.HList.HArray Associated Types type ApplyR (FHUProj sel ns) (HList (e ': l), Proxy n) Source # Methods apply :: FHUProj sel ns -> (HList (e ': l), Proxy n) -> ApplyR (FHUProj sel ns) (HList (e ': l), Proxy n) Source #
Apply (FHUProj sel ns) (HList ('[] :: [Type]), n) Source #
Instance details Defined in Data.HList.HArray Associated Types type ApplyR (FHUProj sel ns) (HList '[], n) Source # Methods apply :: FHUProj sel ns -> (HList '[], n) -> ApplyR (FHUProj sel ns) (HList '[], n) Source #
type ApplyR (Proxy 'False, FHUProj sel ns) (HList (e ': l), Proxy n) Source #
Instance details Defined in Data.HList.HArray type ApplyR (Proxy 'False, FHUProj sel ns) (HList (e ': l), Proxy n) = ApplyR (FHUProj sel ns) (HList l, Proxy ('HSucc n))
type ApplyR (Proxy 'True, FHUProj sel ns) (HList (e ': l), Proxy n) Source #
Instance details Defined in Data.HList.HArray type ApplyR (Proxy 'True, FHUProj sel ns) (HList (e ': l), Proxy n) = HJust (e, (HList l, Proxy ('HSucc n)))
type ApplyR (FHUProj sel ns) (HList ('[] :: [Type]), n) Source #
Instance details Defined in Data.HList.HArray type ApplyR (FHUProj sel ns) (HList ('[] :: [Type]), n) = HNothing
type ApplyR (FHUProj sel ns) (HList (e ': l), Proxy n) Source #
Instance details Defined in Data.HList.HArray type ApplyR (FHUProj sel ns) (HList (e ': l), Proxy n) = ApplyR (Proxy (HBoolEQ sel (KMember n ns)), FHUProj sel ns) (HList (e ': l), Proxy n)

type family KMember (n :: HNat) (ns :: [HNat]) :: Bool Source #

Instances

Instances details

type KMember n ('[] :: [HNat]) Source #
Instance details Defined in Data.HList.HArray type KMember n ('[] :: [HNat]) = 'False
type KMember n (n1 ': l) Source #
Instance details Defined in Data.HList.HArray type KMember n (n1 ': l) = HOr (HNatEq n n1) (KMember n l)

type HProjectByHNatsR (ns :: [HNat]) (l :: [*]) = HUnfold (FHUProj True ns) (HList l, Proxy 'HZero) Source #

type HProjectByHNatsCtx ns l = (Apply (FHUProj True ns) (HList l, Proxy 'HZero), HUnfold' (FHUProj True ns) (HList l, Proxy 'HZero)) Source #

Complement of Projection

hProjectAwayByHNats :: forall (ns :: [HNat]) a (z :: [Type]). (HUnfoldFD (FHUProj 'False ns) (ApplyR (FHUProj 'False ns) (a, Proxy 'HZero)) z, Apply (FHUProj 'False ns) (a, Proxy 'HZero)) => Proxy ns -> a -> HList z Source #

type HProjectAwayByHNatsR (ns :: [HNat]) (l :: [*]) = HUnfold (FHUProj False ns) (HList l, Proxy 'HZero) Source #

type HProjectAwayByHNatsCtx ns l = (Apply (FHUProj False ns) (HList l, Proxy 'HZero), HUnfold' (FHUProj False ns) (HList l, Proxy 'HZero)) Source #

Splitting

hSplitByHNats :: forall (ns :: [HNat]) a (z1 :: [Type]) (z2 :: [Type]). (HUnfoldFD (FHUProj 'True ns) (ApplyR (FHUProj 'True ns) (a, Proxy 'HZero)) z1, HUnfoldFD (FHUProj 'False ns) (ApplyR (FHUProj 'False ns) (a, Proxy 'HZero)) z2, Apply (FHUProj 'True ns) (a, Proxy 'HZero), Apply (FHUProj 'False ns) (a, Proxy 'HZero)) => Proxy ns -> a -> (HList z1, HList z2) Source #

Splitting an array according to indices