code: func (v *Toolbar) GetNthItem(n int) *ToolItem {
  	c := C.gtk_toolbar_get_nth_item(v.native(), C.gint(n))
  	if c == nil {
  		return nil
  	}
  	return wrapToolItem(glib.Take(unsafe.Pointer(c)))
  }
docs: // GetNthItem is a wrapper around gtk_toolbar_get_nth_item().