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  1. ($!) :: (a -> b) -> a -> b

    cabal-install-solver Distribution.Solver.Compat.Prelude

    Strict (call-by-value) application operator. It takes a function and an argument, evaluates the argument to weak head normal form (WHNF), then calls the function with that value.

  2. ($$) :: Monad m => Source m a -> Sink a m b -> m b

    classy-prelude-conduit ClassyPrelude.Conduit

    The connect operator, which pulls data from a source and pushes to a sink. If you would like to keep the Source open to be used for other operations, use the connect-and-resume operator $$+. Since 0.4.0

  3. ($$+) :: Monad m => ConduitT () a m () -> ConduitT a Void m b -> m (SealedConduitT () a m (), b)

    classy-prelude-conduit ClassyPrelude.Conduit

    The connect-and-resume operator. This does not close the Source, but instead returns it to be used again. This allows a Source to be used incrementally in a large program, without forcing the entire program to live in the Sink monad. Mnemonic: connect + do more. Since 0.5.0

  4. ($$++) :: Monad m => SealedConduitT () a m () -> ConduitT a Void m b -> m (SealedConduitT () a m (), b)

    classy-prelude-conduit ClassyPrelude.Conduit

    Continue processing after usage of $$+. Since 0.5.0

  5. ($$+-) :: Monad m => SealedConduitT () a m () -> ConduitT a Void m b -> m b

    classy-prelude-conduit ClassyPrelude.Conduit

    Same as $$++ and connectResume, but doesn't include the updated SealedConduitT. NOTE In previous versions, this would cause finalizers to run. Since version 1.3.0, there are no finalizers in conduit. Since 0.5.0

  6. ($=) :: forall (m :: Type -> Type) a b c r . Monad m => Conduit a m b -> ConduitT b c m r -> ConduitT a c m r

    classy-prelude-conduit ClassyPrelude.Conduit

    A synonym for =$= for backwards compatibility. Since 0.4.0

  7. ($=+) :: forall (m :: Type -> Type) a b . Monad m => SealedConduitT () a m () -> ConduitT a b m () -> SealedConduitT () b m ()

    classy-prelude-conduit ClassyPrelude.Conduit

    Left fusion for a sealed source. Since 1.0.16

  8. ($$) :: (Funable f, Applicative m) => f m a b -> a -> m b

    freer-par-monad Control.Monad.Freer.Par.Funable

    No documentation available.

  9. type (h :: Type -> Type -> Type -> Type) $$ (f :: Type -> Type) = h f

    heftia Control.Monad.Hefty

    Type-level infix applcation for higher-order functors.

  10. type (h :: Type -> Type -> Type -> Type) $$ (f :: Type -> Type) = h f

    heftia Control.Monad.Hefty

    Type-level infix applcation for higher-order functors.

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