Safe Haskell	None
Language	Haskell2010

Optics.Extra.Internal.Zoom

Contents

Zoom
Magnify
Misc

Synopsis

newtype Focusing m c s = Focusing {
- unfocusing :: m (c, s)
}
stateZoom :: (Is k A_Lens, Monad m) => Optic' k is t s -> (s -> m (c, s)) -> t -> m (c, t)
stateZoomMaybe :: (Is k An_AffineTraversal, Monad m) => Optic' k is t s -> (s -> m (c, s)) -> t -> m (Maybe c, t)
stateZoomMany :: (Is k A_Traversal, Monad m, Monoid c) => Optic' k is t s -> (s -> m (c, s)) -> t -> m (c, t)
newtype FocusingWith w m c s = FocusingWith {
- unfocusingWith :: m (c, s, w)
}
rwsZoom :: (Is k A_Lens, Monad m) => Optic' k is t s -> (r -> s -> m (c, s, w)) -> r -> t -> m (c, t, w)
rwsZoomMaybe :: (Is k An_AffineTraversal, Monad m, Monoid w) => Optic' k is t s -> (r -> s -> m (c, s, w)) -> r -> t -> m (Maybe c, t, w)
rwsZoomMany :: (Is k A_Traversal, Monad m, Monoid w, Monoid c) => Optic' k is t s -> (r -> s -> m (c, s, w)) -> r -> t -> m (c, t, w)
newtype May a = May {
- getMay :: Maybe a
}
shuffleMay :: Maybe (May c) -> May (Maybe c)
newtype Err e a = Err {
- getErr :: Either e a
}
shuffleErr :: Maybe (Err e c) -> Err e (Maybe c)
newtype Effect m r = Effect {
- getEffect :: m r
}
newtype EffectRWS w s m c = EffectRWS {
- getEffectRWS :: s -> m (c, s, w)
}
rwsMagnify :: Is k A_Getter => Optic' k is a b -> (b -> s -> f (c, s, w)) -> a -> s -> f (c, s, w)
rwsMagnifyMaybe :: (Is k An_AffineFold, Applicative m, Monoid w) => Optic' k is a b -> (b -> s -> m (c, s, w)) -> a -> s -> m (Maybe c, s, w)
rwsMagnifyMany :: (Is k A_Fold, Monad m, Monoid w, Monoid c) => Optic' k is a b -> (b -> s -> m (c, s, w)) -> a -> s -> m (c, s, w)
shuffleS :: s -> Maybe (c, s) -> (Maybe c, s)
shuffleW :: Monoid w => Maybe (c, w) -> (Maybe c, w)

Zoom

newtype Focusing m c s Source #

Used by Zoom to zoom into StateT.

Constructors

Focusing
Fields unfocusing :: m (c, s)

Instances

Instances details

Monad m => Functor (Focusing m c) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods fmap :: (a -> b) -> Focusing m c a -> Focusing m c b # (<$) :: a -> Focusing m c b -> Focusing m c a #
(Monad m, Monoid s) => Applicative (Focusing m s) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods pure :: a -> Focusing m s a # (<>) :: Focusing m s (a -> b) -> Focusing m s a -> Focusing m s b # liftA2 :: (a -> b -> c) -> Focusing m s a -> Focusing m s b -> Focusing m s c # (>) :: Focusing m s a -> Focusing m s b -> Focusing m s b # (<*) :: Focusing m s a -> Focusing m s b -> Focusing m s a #

stateZoom :: (Is k A_Lens, Monad m) => Optic' k is t s -> (s -> m (c, s)) -> t -> m (c, t) Source #

stateZoomMaybe :: (Is k An_AffineTraversal, Monad m) => Optic' k is t s -> (s -> m (c, s)) -> t -> m (Maybe c, t) Source #

stateZoomMany :: (Is k A_Traversal, Monad m, Monoid c) => Optic' k is t s -> (s -> m (c, s)) -> t -> m (c, t) Source #

newtype FocusingWith w m c s Source #

Used by Zoom to zoom into RWST.

Constructors

FocusingWith
Fields unfocusingWith :: m (c, s, w)

Instances

Instances details

Monad m => Functor (FocusingWith w m s) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods fmap :: (a -> b) -> FocusingWith w m s a -> FocusingWith w m s b # (<$) :: a -> FocusingWith w m s b -> FocusingWith w m s a #
(Monad m, Monoid s, Monoid w) => Applicative (FocusingWith w m s) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods pure :: a -> FocusingWith w m s a # (<>) :: FocusingWith w m s (a -> b) -> FocusingWith w m s a -> FocusingWith w m s b # liftA2 :: (a -> b -> c) -> FocusingWith w m s a -> FocusingWith w m s b -> FocusingWith w m s c # (>) :: FocusingWith w m s a -> FocusingWith w m s b -> FocusingWith w m s b # (<*) :: FocusingWith w m s a -> FocusingWith w m s b -> FocusingWith w m s a #

rwsZoom :: (Is k A_Lens, Monad m) => Optic' k is t s -> (r -> s -> m (c, s, w)) -> r -> t -> m (c, t, w) Source #

rwsZoomMaybe :: (Is k An_AffineTraversal, Monad m, Monoid w) => Optic' k is t s -> (r -> s -> m (c, s, w)) -> r -> t -> m (Maybe c, t, w) Source #

rwsZoomMany :: (Is k A_Traversal, Monad m, Monoid w, Monoid c) => Optic' k is t s -> (r -> s -> m (c, s, w)) -> r -> t -> m (c, t, w) Source #

newtype May a Source #

Make a Monoid out of Maybe for error handling.

Constructors

May
Fields getMay :: Maybe a

Instances

Instances details

Semigroup a => Semigroup (May a) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods (<>) :: May a -> May a -> May a # sconcat :: NonEmpty (May a) -> May a # stimes :: Integral b => b -> May a -> May a #
Monoid a => Monoid (May a) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods mempty :: May a # mappend :: May a -> May a -> May a # mconcat :: [May a] -> May a #

shuffleMay :: Maybe (May c) -> May (Maybe c) Source #

newtype Err e a Source #

Make a Monoid out of Either for error handling.

Constructors

Err
Fields getErr :: Either e a

Instances

Instances details

Semigroup a => Semigroup (Err e a) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods (<>) :: Err e a -> Err e a -> Err e a # sconcat :: NonEmpty (Err e a) -> Err e a # stimes :: Integral b => b -> Err e a -> Err e a #
Monoid a => Monoid (Err e a) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods mempty :: Err e a # mappend :: Err e a -> Err e a -> Err e a # mconcat :: [Err e a] -> Err e a #

shuffleErr :: Maybe (Err e c) -> Err e (Maybe c) Source #

Magnify

newtype Effect m r Source #

Wrap a monadic effect.

Constructors

Effect
Fields getEffect :: m r

Instances

Instances details

(Monad m, Semigroup r) => Semigroup (Effect m r) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods (<>) :: Effect m r -> Effect m r -> Effect m r # sconcat :: NonEmpty (Effect m r) -> Effect m r # stimes :: Integral b => b -> Effect m r -> Effect m r #
(Monad m, Monoid r) => Monoid (Effect m r) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods mempty :: Effect m r # mappend :: Effect m r -> Effect m r -> Effect m r # mconcat :: [Effect m r] -> Effect m r #

newtype EffectRWS w s m c Source #

Wrap a monadic effect. Used when magnifying RWST.

Constructors

EffectRWS
Fields getEffectRWS :: s -> m (c, s, w)

Instances

Instances details

(Semigroup c, Semigroup w, Monad m) => Semigroup (EffectRWS w s m c) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods (<>) :: EffectRWS w s m c -> EffectRWS w s m c -> EffectRWS w s m c # sconcat :: NonEmpty (EffectRWS w s m c) -> EffectRWS w s m c # stimes :: Integral b => b -> EffectRWS w s m c -> EffectRWS w s m c #
(Monoid c, Monoid w, Monad m) => Monoid (EffectRWS w s m c) Source #
Instance details Defined in Optics.Extra.Internal.Zoom Methods mempty :: EffectRWS w s m c # mappend :: EffectRWS w s m c -> EffectRWS w s m c -> EffectRWS w s m c # mconcat :: [EffectRWS w s m c] -> EffectRWS w s m c #

rwsMagnify :: Is k A_Getter => Optic' k is a b -> (b -> s -> f (c, s, w)) -> a -> s -> f (c, s, w) Source #

rwsMagnifyMaybe :: (Is k An_AffineFold, Applicative m, Monoid w) => Optic' k is a b -> (b -> s -> m (c, s, w)) -> a -> s -> m (Maybe c, s, w) Source #

rwsMagnifyMany :: (Is k A_Fold, Monad m, Monoid w, Monoid c) => Optic' k is a b -> (b -> s -> m (c, s, w)) -> a -> s -> m (c, s, w) Source #

Misc

shuffleS :: s -> Maybe (c, s) -> (Maybe c, s) Source #

shuffleW :: Monoid w => Maybe (c, w) -> (Maybe c, w) Source #