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Within LTS Haskell 24.36 (ghc-9.10.3)

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

    aeson Data.Aeson.Types

    Variant of .:! with explicit parser function.

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

    aeson Data.Aeson.Types

    Function variant of .:?.

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

    aeson Data.Aeson.Types

    Function variant of .:!.

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

    aeson Data.Aeson.Types

    Run a Parser with a Maybe result type.

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

    template-haskell Language.Haskell.TH.Ppr

    No documentation available.

  6. lookupResToMaybe :: LookupRes a -> Maybe a

    unordered-containers Data.HashMap.Internal

    No documentation available.

  7. 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.

  8. 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.

  9. mapMaybe :: (a -> Maybe b) -> Array a -> Array b

    unordered-containers Data.HashMap.Internal.Array

    No documentation available.

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

    unordered-containers Data.HashMap.Internal.Strict

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

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