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Within LTS Haskell 24.38 (ghc-9.10.3)

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  1. lensMaybeLazy :: forall a f . Functor f => (Maybe a -> f (Maybe a)) -> Maybe a -> f (Maybe a)

    Agda Agda.Utils.Maybe.Strict

    No documentation available.

  2. unionMaybeWith :: (a -> a -> a) -> Maybe a -> Maybe a -> Maybe a

    Agda Agda.Utils.Maybe.Strict

    unionWith for collections of size <= 1.

  3. unzipMaybe :: Maybe (a, b) -> (Maybe a, Maybe b)

    Agda Agda.Utils.Maybe.Strict

    Unzipping a list of length <= 1.

  4. catMaybesMP :: MonadPlus m => m (Maybe a) -> m a

    Agda Agda.Utils.Monad

    Generalises the catMaybes function from lists to an arbitrary MonadPlus.

  5. forMaybeM :: Monad m => [a] -> (a -> m (Maybe b)) -> m [b]

    Agda Agda.Utils.Monad

    The for version of mapMaybeM.

  6. forMaybeMM :: Monad m => m [a] -> (a -> m (Maybe b)) -> m [b]

    Agda Agda.Utils.Monad

    The for version of mapMaybeMM.

  7. fromMaybeMP :: MonadPlus m => Maybe a -> m a

    Agda Agda.Utils.Monad

    Translates Maybe to MonadPlus.

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

    Agda Agda.Utils.Monad

    A monadic version of mapMaybe :: (a -> Maybe b) -> [a] -> [b].

  9. mapMaybeMM :: Monad m => (a -> m (Maybe b)) -> m [a] -> m [b]

    Agda Agda.Utils.Monad

    A version of mapMaybeM with a computation for the input list.

  10. tryMaybe :: (MonadError e m, Functor m) => m a -> m (Maybe a)

    Agda Agda.Utils.Monad

    Try a computation, return Nothing if an Error occurs.

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