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Within LTS Haskell 24.39 (ghc-9.10.3)

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1. mapSignal :: WidgetClass self => Signal self (IO ())

   gtk3	Graphics.UI.Gtk.Abstract.Widget

   The widget appears on screen.

2. mapContext :: (String -> String) -> Context a -> Context a

   hakyll	Hakyll.Web.Template.Context

   Transform the respective string results of all fields in a context. For example,

   mapContext (++"c") (constField "x" "a" <> constField "y" "b")
   

   is equivalent to

   constField "x" "ac" <> constField "y" "bc"
   

3. mapContextBy :: (String -> Bool) -> (String -> String) -> Context a -> Context a

   hakyll	Hakyll.Web.Template.Context

   Transform the respective string results of all fields in a context satisfying a predicate. For example,

   mapContextBy (=="y") (++"c") (constField "x" "a" <> constField "y" "b")
   

   is equivalent to

   constField "x" "a" <> constField "y" "bc"
   

4. mapAccum :: (a -> b -> (a, c)) -> a -> Map k b -> (a, Map k c)

   hashmap	Data.HashMap

   The function mapAccum threads an accumulating argument through the map in unspecified order of keys.

5. mapAccumWithKey :: (a -> k -> b -> (a, c)) -> a -> Map k b -> (a, Map k c)

   hashmap	Data.HashMap

   The function mapAccumWithKey threads an accumulating argument through the map in unspecified order of keys.

6. mapEither :: Ord k => (a -> Either b c) -> Map k a -> (Map k b, Map k c)

   hashmap	Data.HashMap

   Map values and separate the Left and Right results.

7. mapEitherWithKey :: Ord k => (k -> a -> Either b c) -> Map k a -> (Map k b, Map k c)

   hashmap	Data.HashMap

   Map keys/values and separate the Left and Right results.

8. mapMaybe :: Ord k => (a -> Maybe b) -> Map k a -> Map k b

   hashmap	Data.HashMap

   Map values and collect the Just results.

9. mapMaybeWithKey :: Ord k => (k -> a -> Maybe b) -> Map k a -> Map k b

   hashmap	Data.HashMap

   Map keys/values and collect the Just results.

10. mapWithKey :: (k -> a -> b) -> Map k a -> Map k b

    hashmap	Data.HashMap

    Map a function over all values in the map.

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