code: func StackSwitcherNew() (*StackSwitcher, error) {
  	c := C.gtk_stack_switcher_new()
  	if c == nil {
  		return nil, nilPtrErr
  	}
  	return wrapStackSwitcher(glib.Take(unsafe.Pointer(c))), nil
  }
docs: // StackSwitcherNew is a wrapper around gtk_stack_switcher_new().