Struct Weak

pub struct Weak<T: 'static> { /* private fields */ }

Weak reference

Stores its reference generation locally and cross-checks it everytime an access is made.

Implementations

impl<T: 'static> Weak<T>

pub fn dangling() -> Self

pub fn is_valid(&self) -> bool

pub fn try_ref(&self, _rl: &Reading) -> Option<&T>

pub fn try_mut(&mut self, _wl: &mut Writing) -> Option<&mut T>

pub fn try_map<F, U>(&self, rl: &Reading, f: F) -> Option<Weak<U>>

where for<'a> F: Fn(&'a T) -> &'a U,

Trait Implementations

impl<T: 'static> Clone for Weak<T>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: 'static> From<Weak<T>> for Ref<T>

fn from(w: Weak<T>) -> Self

Converts to this type from the input type.

impl<T: 'static> Copy for Weak<T>