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  1. (=$&) :: forall c1 c2 c3 i x (m :: Type -> Type) o r . CCatable c1 c2 c3 => c1 i x m () -> c2 x o m r -> c3 i o m r

    stm-conduit Data.Conduit.Async

    An alias for =$=& by analogy with =$= and =$.

  2. (=$=&) :: forall c1 c2 c3 i x (m :: Type -> Type) o r . CCatable c1 c2 c3 => c1 i x m () -> c2 x o m r -> c3 i o m r

    stm-conduit Data.Conduit.Async

    An operator form of buffer'. In general you should be able to replace any use of =$= with =$=& and $$ either with $$& or =$= and runCConduit and suddenly reap the benefit of concurrency, if your conduits were spending time waiting on each other.

    >>> runCConduit $ CL.sourceList [1,2,3] =$=& CL.consume
    [1,2,3]
    

  3. (:$$:) :: ErrorMessage -> ErrorMessage -> ErrorMessage

    type-errors Type.Errors

    Stack two pieces of error message on top of each other.

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

    LambdaHack Game.LambdaHack.Core.Prelude

    Replace all locations in the input with the same value. The default definition is fmap . const, but this may be overridden with a more efficient version.

    Examples

    Perform a computation with Maybe and replace the result with a constant value if it is Just:
    >>> 'a' <$ Just 2
    Just 'a'
    
    >>> 'a' <$ Nothing
    Nothing
    

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

    LambdaHack Game.LambdaHack.Core.Prelude

    Replace all locations in the input with the same value. The default definition is fmap . const, but this may be overridden with a more efficient version.

    Examples

    Perform a computation with Maybe and replace the result with a constant value if it is Just:
    >>> 'a' <$ Just 2
    Just 'a'
    
    >>> 'a' <$ Nothing
    Nothing
    

  6. (<$!>) :: Monad m => (a -> b) -> m a -> m b

    LambdaHack Game.LambdaHack.Core.Prelude

    Strict version of <$>.

  7. (<$$>) :: (Functor f, Functor g) => (a -> b) -> f (g a) -> f (g b)

    LambdaHack Game.LambdaHack.Core.Prelude

    No documentation available.

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

    LambdaHack Game.LambdaHack.Core.Prelude

    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)
    

  9. (<$) :: (Traversable f, Backprop b, Backprop (f a), Reifies s W) => BVar s b -> BVar s (f a) -> BVar s (f b)

    backprop Prelude.Backprop

    Alias for fmapConst.

  10. (<$>) :: (Traversable f, Backprop a, Backprop b, Reifies s W) => (BVar s a -> BVar s b) -> BVar s (f a) -> BVar s (f b)

    backprop Prelude.Backprop

    Alias for fmap.

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