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Within LTS Haskell 24.4 (ghc-9.10.2)

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  1. maybeResult :: Result r -> Maybe r

    attoparsec Data.Attoparsec.ByteString.Char8

    Convert a Result value to a Maybe value. A Partial result is treated as failure.

  2. maybeResult :: Result r -> Maybe r

    attoparsec Data.Attoparsec.ByteString.Lazy

    Convert a Result value to a Maybe value.

  3. maybeResult :: Result r -> Maybe r

    attoparsec Data.Attoparsec.Text

    Convert a Result value to a Maybe value. A Partial result is treated as failure.

  4. maybeResult :: Result r -> Maybe r

    attoparsec Data.Attoparsec.Text.Lazy

    Convert a Result value to a Maybe value.

  5. maybeTimeoutImprovingIO :: Maybe Int -> ImprovingIO i f a -> ImprovingIO i f (Maybe a)

    test-framework Test.Framework.Providers.API

    As timeoutImprovingIO, but don't bother applying a timeout to the action if Nothing is given as the number of microseconds to apply the time out for.

  6. maybeReader :: (String -> Maybe a) -> ReadM a

    optparse-applicative Options.Applicative

    Convert a function producing a Maybe into a reader.

  7. maybeReader :: (String -> Maybe a) -> ReadM a

    optparse-applicative Options.Applicative.Builder

    Convert a function producing a Maybe into a reader.

  8. maybeC :: forall (m :: Type -> Type) i o a . Monad m => ConduitT i o m (Maybe a) -> ConduitT i o (MaybeT m) a

    conduit Data.Conduit.Lift

    Wrap the base monad in MaybeT Since 1.0.11

  9. maybeNew :: MonadIO m => (a -> m (Ptr b)) -> Maybe a -> m (Ptr b)

    unliftio UnliftIO.Foreign

    Lifted maybeNew.

  10. maybePeek :: MonadUnliftIO m => (Ptr a -> m b) -> Ptr a -> m (Maybe b)

    unliftio UnliftIO.Foreign

    Unlifted maybePeek.

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