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1. mapListModelNew :: (HasCallStack, MonadIO m, IsListModel a) => Maybe a -> Maybe MapListModelMapFunc -> m MapListModel

   gi-gtk4	GI.Gtk.Objects.MapListModel

   Creates a new GtkMapListModel for the given arguments.

2. mapListModelSetMapFunc :: (HasCallStack, MonadIO m, IsMapListModel a) => a -> Maybe MapListModelMapFunc -> m ()

   gi-gtk4	GI.Gtk.Objects.MapListModel

   Sets the function used to map items. The function will be called whenever an item needs to be mapped and must return the item to use for the given input item. Note that GtkMapListModel may call this function multiple times on the same item, because it may delete items it doesn't need anymore. GTK makes no effort to ensure that mapFunc conforms to the item type of self. It assumes that the caller knows what they are doing and the map function returns items of the appropriate type.

3. mapListModelSetModel :: (HasCallStack, MonadIO m, IsMapListModel a, IsListModel b) => a -> Maybe b -> m ()

   gi-gtk4	GI.Gtk.Objects.MapListModel

   Sets the model to be mapped. GTK makes no effort to ensure that model conforms to the item type expected by the map function. It assumes that the caller knows what they are doing and have set up an appropriate map function.

4. mapAllocationSuccessful :: (HasCallStack, MonadIO m) => MapT -> m Int32

   gi-harfbuzz	GI.HarfBuzz.Functions

   Tests whether memory allocation for a set was successful. Since: 1.7.7

5. mapClear :: (HasCallStack, MonadIO m) => MapT -> m ()

   gi-harfbuzz	GI.HarfBuzz.Functions

   Clears out the contents of map. Since: 1.7.7

6. mapCopy :: (HasCallStack, MonadIO m) => MapT -> m MapT

   gi-harfbuzz	GI.HarfBuzz.Functions

   Allocate a copy of map. Since: 4.4.0

7. mapCreate :: (HasCallStack, MonadIO m) => m MapT

   gi-harfbuzz	GI.HarfBuzz.Functions

   Creates a new, initially empty map. Since: 1.7.7

8. mapDel :: (HasCallStack, MonadIO m) => MapT -> Word32 -> m ()

   gi-harfbuzz	GI.HarfBuzz.Functions

   Removes key and its stored value from map. Since: 1.7.7

9. mapGet :: (HasCallStack, MonadIO m) => MapT -> Word32 -> m Word32

   gi-harfbuzz	GI.HarfBuzz.Functions

   Fetches the value stored for key in map. Since: 1.7.7

10. mapGetEmpty :: (HasCallStack, MonadIO m) => m MapT

    gi-harfbuzz	GI.HarfBuzz.Functions

    Fetches the singleton empty MapT. Since: 1.7.7

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