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  1. (<$>) :: Functor f => (a -> b) -> f a -> f b

    xmonad-contrib XMonad.Config.Prime

    An infix synonym for fmap. The name of this operator is an allusion to $. Note the similarities between their types:

    ($)  ::              (a -> b) ->   a ->   b
    (<$>) :: Functor f => (a -> b) -> f a -> f b
    
    Whereas $ is function application, <$> is function application lifted over a Functor.

    Examples

    Convert from a Maybe Int to a Maybe String using show:
    >>> show <$> Nothing
    Nothing
    
    >>> show <$> Just 3
    Just "3"
    
    Convert from an Either Int Int to an Either Int String using show:
    >>> show <$> Left 17
    Left 17
    
    >>> show <$> Right 17
    Right "17"
    
    Double each element of a list:
    >>> (*2) <$> [1,2,3]
    [2,4,6]
    
    Apply even to the second element of a pair:
    >>> even <$> (2,2)
    (2,True)
    

  2. data (a6989586621679541715 :: a ~> b) <$>@#@$$ (b1 :: TyFun f a f b)

    singletons-base Control.Applicative.Singletons

    No documentation available.

  3. type family (a6989586621679541715 :: a ~> b) <$>@#@$$$ (a6989586621679541716 :: f a) :: f b

    singletons-base Control.Applicative.Singletons

    No documentation available.

  4. data (a6989586621679541715 :: a ~> b) <$>@#@$$ (b1 :: TyFun f a f b)

    singletons-base Data.Functor.Singletons

    No documentation available.

  5. type family (a6989586621679541715 :: a ~> b) <$>@#@$$$ (a6989586621679541716 :: f a) :: f b

    singletons-base Data.Functor.Singletons

    No documentation available.

  6. data (a6989586621679541715 :: a ~> b) <$>@#@$$ (b1 :: TyFun f a f b)

    singletons-base Prelude.Singletons

    No documentation available.

  7. type family (a6989586621679541715 :: a ~> b) <$>@#@$$$ (a6989586621679541716 :: f a) :: f b

    singletons-base Prelude.Singletons

    No documentation available.

  8. data (c :: a ~> b) <$>$ (d :: TyFun m a m b)

    type-spec Test.TypeSpec.Internal.Apply

    No documentation available.

  9. (<$>>) :: HasTrie (Basis a) => (b -> c) -> (a :> b) -> a :> c

    vector-space Data.Maclaurin

    Map a linear function over a derivative tower.

  10. (<$>^) :: (a -> b) -> f a -> Aps f b

    ap-normalize ApNormalize

    f <$>^ u :: Aps f b is a delayed representation of f <$> u :: f b, so that it can be fused with other applicative operations. f <$>^ u is a shorthand for f <$> liftAps u.

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