Adds a function to be called after an interface vtable is
initialized for any class (i.e. after the @interface_init
member of #GInterfaceInfo has been called).
This function is useful when you want to check an invariant
that depends on the interfaces of a class. For instance, the
implementation of #GObject uses this facility to check that an
object implements all of the properties that are defined on its
interfaces.
Adds a function to be called after an interface vtable is initialized for any class (i.e. after the @interface_init member of #GInterfaceInfo has been called).
This function is useful when you want to check an invariant that depends on the interfaces of a class. For instance, the implementation of #GObject uses this facility to check that an object implements all of the properties that are defined on its interfaces.