Struct WeakCell 

pub struct WeakCell<T>(/* private fields */);

Weak counterpart to SharedCell.

Implementations

impl<T> WeakCell<T>

pub fn upgrade(&self) -> Option<SharedCell<T>>

Attempts to upgrade the weak reference to a strong SharedCell.

pub fn is_dropped(&self) -> bool

Returns true if the pointed-to value has been dropped.

Trait Implementations

impl<T> Clone for WeakCell<T>

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: Debug> Debug for WeakCell<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T> From<Weak<RefCell<T>>> for WeakCell<T>

fn from(inner: Weak<RefCell<T>>) -> Self

Converts to this type from the input type.

impl<T> From<WeakCell<T>> for Weak<RefCell<T>>

fn from(cell: WeakCell<T>) -> Self

Converts to this type from the input type.