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Within LTS Haskell 24.65 (ghc-9.10.3)

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

    Agda Agda.Utils.Monad

    Generalises the catMaybes function from lists to an arbitrary MonadPlus.

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

    Agda Agda.Utils.Monad

    The for version of mapMaybeM.

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

    Agda Agda.Utils.Monad

    The for version of mapMaybeMM.

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

    Agda Agda.Utils.Monad

    Translates Maybe to MonadPlus.

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

    Agda Agda.Utils.Monad

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

  6. 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.

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

    Agda Agda.Utils.Monad

    Try a computation, return Nothing if an Error occurs.

  8. class (Null coll, Singleton el coll) => CMaybe el coll | coll -> el

    Agda Agda.Utils.Singleton

    Create-only collection with at most one element.

  9. cMaybe :: CMaybe el coll => Maybe el -> coll

    Agda Agda.Utils.Singleton

    No documentation available.

  10. caseMaybe :: Maybe a -> b -> (a -> b) -> b

    BNFC BNFC.Utils

    Rotation of maybe.

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