[ Version ( since = "2.68" ) ]
public Type interface_instantiatable_prerequisite ()
Returns the most specific instantiatable prerequisite of an interface type.
If the interface type has no instantiatable prerequisite, g_type_invalid is returned.
See interface_add_prerequisite for more information about prerequisites.
| interface_type |
an interface type |
|
the instantiatable prerequisite type or g_type_invalid if none |