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Within LTS Haskell 24.38 (ghc-9.10.3)

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1. doubleMaybe :: Directions Bool -> Parts Bool -> Maybe Char

   unicode	Data.Char.Frame

   No documentation available.

2. subscriptMaybe :: Char -> Maybe Char

   unicode	Data.Char.Small

   No documentation available.

3. superscriptMaybe :: Char -> Maybe Char

   unicode	Data.Char.Small

   No documentation available.

4. failureToMaybe :: Validation e a -> Maybe e

   validation-selective	Validation

   Maps Failure of Validation to Just.

   >>> failureToMaybe (Failure True)
   Just True
   
   >>> failureToMaybe (Success "aba")
   Nothing
   

5. successToMaybe :: Validation e a -> Maybe a

   validation-selective	Validation

   Maps Success of Validation to Just.

   >>> successToMaybe (Failure True)
   Nothing
   
   >>> successToMaybe (Success "aba")
   Just "aba"
   

6. failureToMaybe :: Validation e a -> Maybe e

   validation-selective	Validation.Combinators

   Maps Failure of Validation to Just.

   >>> failureToMaybe (Failure True)
   Just True
   
   >>> failureToMaybe (Success "aba")
   Nothing
   

7. successToMaybe :: Validation e a -> Maybe a

   validation-selective	Validation.Combinators

   Maps Success of Validation to Just.

   >>> successToMaybe (Failure True)
   Nothing
   
   >>> successToMaybe (Success "aba")
   Just "aba"
   

8. catMaybes :: forall (m :: Type -> Type) a . Monad m => Stream m (Maybe a) -> Stream m a

   vector-stream	Data.Stream.Monadic

   No documentation available.

9. mapMaybe :: forall (m :: Type -> Type) a b . Monad m => (a -> Maybe b) -> Stream m a -> Stream m b

   vector-stream	Data.Stream.Monadic

   No documentation available.

10. mapMaybeM :: Monad m => (a -> m (Maybe b)) -> Stream m a -> Stream m b

    vector-stream	Data.Stream.Monadic

    Apply monadic function to each element and drop all Nothings

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