Type Definition cell_rc::CellOptAweak

type CellOptAweak<T> = CellOption<Aweak<T>>;

Methods

impl<T: ?Sized> CellOptAweak<T>

fn upgrade(&self) -> Option<Option<Arc<T>>>

Returns None if the wrapped Option<Aweak<T>> is None, Some(None) if there aren't strong references left, or Some(Some(..)) otherwise.