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  1. mapOutputMaybe :: forall (m :: Type -> Type) o1 o2 l i u r . Monad m => (o1 -> Maybe o2) -> Pipe l i o1 u m r -> Pipe l i o2 u m r

    conduit Data.Conduit.Internal

    Same as mapOutput, but use a function that returns Maybe values. Since 0.5.0

  2. catMaybesS :: forall (m :: Type -> Type) a . Monad m => StreamConduit (Maybe a) m a

    conduit Data.Conduit.Internal.List.Stream

    No documentation available.

  3. mapMaybeMS :: Monad m => (a -> m (Maybe b)) -> StreamConduit a m b

    conduit Data.Conduit.Internal.List.Stream

    No documentation available.

  4. mapMaybeS :: forall (m :: Type -> Type) a b . Monad m => (a -> Maybe b) -> StreamConduit a m b

    conduit Data.Conduit.Internal.List.Stream

    No documentation available.

  5. runMaybeC :: forall (m :: Type -> Type) i o r . Monad m => ConduitT i o (MaybeT m) r -> ConduitT i o m (Maybe r)

    conduit Data.Conduit.Lift

    Run MaybeT in the base monad Since 1.0.11

  6. catMaybes :: forall (m :: Type -> Type) a . Monad m => ConduitT (Maybe a) a m ()

    conduit Data.Conduit.List

    Filter the Just values from a stream, discarding the Nothing values. Subject to fusion Since 0.5.1

  7. mapMaybe :: forall (m :: Type -> Type) a b . Monad m => (a -> Maybe b) -> ConduitT a b m ()

    conduit Data.Conduit.List

    Apply a transformation that may fail to all values in a stream, discarding the failures. Subject to fusion Since 0.5.1

  8. mapMaybeM :: Monad m => (a -> m (Maybe b)) -> ConduitT a b m ()

    conduit Data.Conduit.List

    Apply a monadic transformation that may fail to all values in a stream, discarding the failures. Subject to fusion Since 0.5.1

  9. getMaybeOf :: Get a -> Get (Maybe a)

    cereal Data.Serialize.Get

    Read in a Maybe in the following format: Word8 (0 for Nothing, anything else for Just) element (when Just)

  10. putMaybeOf :: Putter a -> Putter (Maybe a)

    cereal Data.Serialize.Put

    No documentation available.

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