Struct WakerRef

pub struct WakerRef<'a> { /* private fields */ }

A Waker that is only valid for a given lifetime.

Note: this type implements Deref<Target = Waker>, so it can be used to get a &Waker.

Implementations

impl<'a> WakerRef<'a>

fn new(waker: &'a Waker) -> Self

Create a new WakerRef from a Waker reference.

fn new_unowned(waker: ManuallyDrop<Waker>) -> Self

Create a new WakerRef from a Waker that must not be dropped.

Note: this if for rare cases where the caller created a Waker in an unsafe way (that will be valid only for a lifetime to be determined by the caller), and the Waker doesn't need to or must not be destroyed.

Trait Implementations

impl Deref for WakerRef<'_>

type Target = Waker;
fn deref(&self) -> &Waker

impl<'a> Debug for WakerRef<'a>

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

Auto Trait Implementations

impl<'a> Freeze for WakerRef<'a>

impl<'a> RefUnwindSafe for WakerRef<'a>

impl<'a> Send for WakerRef<'a>

impl<'a> Sync for WakerRef<'a>

impl<'a> Unpin for WakerRef<'a>

impl<'a> UnsafeUnpin for WakerRef<'a>

impl<'a> UnwindSafe for WakerRef<'a>

Blanket Implementations

impl<P, T> Receiver for WakerRef<'a> where P: Deref<Target = T> + ?Sized, T: ?Sized,

type Target = T;

impl<T> Any for WakerRef<'a> where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for WakerRef<'a> where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for WakerRef<'a> where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for WakerRef<'a>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for WakerRef<'a> where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<T, U> TryFrom<U> for WakerRef<'a> where U: Into<T>,

type Error = never;
fn try_from(value: U) -> Result<T, never>

impl<T, U> TryInto<U> for WakerRef<'a> where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error;
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>