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1. getSourceCallbackFuncsUnref :: MonadIO m => SourceCallbackFuncs -> m (Maybe SourceCallbackFuncsUnrefFieldCallback)

   gi-glib	GI.GLib.Structs.SourceCallbackFuncs

   Get the value of the “unref” field. When overloading is enabled, this is equivalent to

   get sourceCallbackFuncs #unref
   

2. newZeroSourceCallbackFuncs :: MonadIO m => m SourceCallbackFuncs

   gi-glib	GI.GLib.Structs.SourceCallbackFuncs

   Construct a SourceCallbackFuncs struct initialized to zero.

3. setSourceCallbackFuncsRef :: MonadIO m => SourceCallbackFuncs -> FunPtr C_SourceCallbackFuncsRefFieldCallback -> m ()

   gi-glib	GI.GLib.Structs.SourceCallbackFuncs

   Set the value of the “ref” field. When overloading is enabled, this is equivalent to

   set sourceCallbackFuncs [ #ref := value ]
   

4. setSourceCallbackFuncsUnref :: MonadIO m => SourceCallbackFuncs -> FunPtr C_SourceCallbackFuncsUnrefFieldCallback -> m ()

   gi-glib	GI.GLib.Structs.SourceCallbackFuncs

   Set the value of the “unref” field. When overloading is enabled, this is equivalent to

   set sourceCallbackFuncs [ #unref := value ]
   

5. getStringAllocatedLen :: MonadIO m => String -> m CSize

   gi-glib	GI.GLib.Structs.String

   Get the value of the “allocated_len” field. When overloading is enabled, this is equivalent to

   get string #allocatedLen
   

6. setStringAllocatedLen :: MonadIO m => String -> CSize -> m ()

   gi-glib	GI.GLib.Structs.String

   Set the value of the “allocated_len” field. When overloading is enabled, this is equivalent to

   set string [ #allocatedLen := value ]
   

7. treeRemoveAll :: (HasCallStack, MonadIO m) => Tree -> m ()

   gi-glib	GI.GLib.Structs.Tree

   Removes all nodes from a Tree and destroys their keys and values, then resets the Tree’s root to Nothing. Since: 2.70

8. module GI.GObject.Callbacks

   No documentation available.

9. type C_Callback = IO ()

   gi-gobject	GI.GObject.Callbacks

   Type for the callback on the (unwrapped) C side.

10. type C_ClosureMarshalFieldCallback = Ptr GClosure () -> Ptr GValue -> Word32 -> Ptr GValue -> Ptr () -> Ptr () -> IO ()

    gi-gobject	GI.GObject.Callbacks

    Type for the callback on the (unwrapped) C side.

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