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Within LTS Haskell 24.32 (ghc-9.10.3)

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1. mapMaybeWithKey :: (Key -> v -> Maybe u) -> KeyMap v -> KeyMap u

   aeson	Data.Aeson.KeyMap

   Map values and collect the Just results.

2. explicitParseFieldMaybe :: (Value -> Parser a) -> Object -> Key -> Parser (Maybe a)

   aeson	Data.Aeson.Types

   Variant of .:? with explicit parser function.

3. explicitParseFieldMaybe' :: (Value -> Parser a) -> Object -> Key -> Parser (Maybe a)

   aeson	Data.Aeson.Types

   Variant of .:! with explicit parser function.

4. parseFieldMaybe :: FromJSON a => Object -> Key -> Parser (Maybe a)

   aeson	Data.Aeson.Types

   Function variant of .:?.

5. parseFieldMaybe' :: FromJSON a => Object -> Key -> Parser (Maybe a)

   aeson	Data.Aeson.Types

   Function variant of .:!.

6. parseMaybe :: (a -> Parser b) -> a -> Maybe b

   aeson	Data.Aeson.Types

   Run a Parser with a Maybe result type.

7. pprMaybeExp :: Precedence -> Maybe Exp -> Doc

   template-haskell	Language.Haskell.TH.Ppr

   No documentation available.

8. lookupResToMaybe :: LookupRes a -> Maybe a

   unordered-containers	Data.HashMap.Internal

   No documentation available.

9. mapMaybe :: (v1 -> Maybe v2) -> HashMap k v1 -> HashMap k v2

   unordered-containers	Data.HashMap.Internal

   Transform this map by applying a function to every value and retaining only some of them.

10. mapMaybeWithKey :: (k -> v1 -> Maybe v2) -> HashMap k v1 -> HashMap k v2

    unordered-containers	Data.HashMap.Internal

    Transform this map by applying a function to every value and retaining only some of them.

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