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  1. dimapWandering :: Traversing p => (a' -> a) -> (b -> b') -> p a b -> p a' b'

    profunctors Data.Profunctor.Traversing

    A definition of dimap for Traversing instances that define an explicit wander.

  2. lmapWandering :: Traversing p => (a -> b) -> p b c -> p a c

    profunctors Data.Profunctor.Traversing

    lmapWandering may be a more efficient implementation of lmap than the default produced from dimapWandering.

  3. rmapWandering :: Traversing p => (b -> c) -> p a b -> p a c

    profunctors Data.Profunctor.Traversing

    rmapWandering is the same as the default produced from dimapWandering.

  4. dimap :: Profunctor p => (a -> b) -> (c -> d) -> p b c -> p a d

    profunctors Data.Profunctor.Types

    Map over both arguments at the same time.

    dimap f g ≡ lmap f . rmap g
    

  5. lmap :: Profunctor p => (a -> b) -> p b c -> p a c

    profunctors Data.Profunctor.Types

    Map the first argument contravariantly.

    lmap f ≡ dimap f id
    

  6. rmap :: Profunctor p => (b -> c) -> p a b -> p a c

    profunctors Data.Profunctor.Types

    Map the second argument covariantly.

    rmap ≡ dimap id
    

  7. dimap :: Profunctor p => (a -> b) -> (c -> d) -> p b c -> p a d

    profunctors Data.Profunctor.Unsafe

    Map over both arguments at the same time.

    dimap f g ≡ lmap f . rmap g
    

  8. lmap :: Profunctor p => (a -> b) -> p b c -> p a c

    profunctors Data.Profunctor.Unsafe

    Map the first argument contravariantly.

    lmap f ≡ dimap f id
    

  9. rmap :: Profunctor p => (b -> c) -> p a b -> p a c

    profunctors Data.Profunctor.Unsafe

    Map the second argument covariantly.

    rmap ≡ dimap id
    

  10. gmapAccumA :: forall b d a . (Data d, Applicative a) => (forall e . Data e => b -> e -> (b, a e)) -> b -> d -> (b, a d)

    syb Data.Generics.Twins

    Applicative version

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