[−][src]Struct futures::task::LocalWakerRef
pub struct LocalWakerRef<'a> { /* fields omitted */ }
A LocalWaker
that is only valid for a given lifetime.
Note: this type implements Deref<Target = LocalWaker>
,
so it can be used to get a &LocalWaker
.
Methods
impl<'a> LocalWakerRef<'a>
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impl<'a> LocalWakerRef<'a>
pub fn new(local_waker: LocalWaker) -> LocalWakerRef<'a>
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pub fn new(local_waker: LocalWaker) -> LocalWakerRef<'a>
Create a new LocalWakerRef
from a LocalWaker
.
Note: this function is safe, but it is generally only used
from unsafe
contexts that need to create a LocalWaker
that is guaranteed not to outlive a particular lifetime.
Methods from Deref<Target = LocalWaker>
pub fn wake(&self)
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pub fn wake(&self)
🔬 This is a nightly-only experimental API. (futures_api
)
futures in libcore are unstable
Wake up the task associated with this LocalWaker
.
pub fn will_wake(&self, other: &LocalWaker) -> bool
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pub fn will_wake(&self, other: &LocalWaker) -> bool
🔬 This is a nightly-only experimental API. (futures_api
)
futures in libcore are unstable
Returns whether or not this LocalWaker
and other
LocalWaker
awaken the same task.
This function works on a best-effort basis, and may return false even
when the LocalWaker
s would awaken the same task. However, if this function
returns true, it is guaranteed that the LocalWaker
s will awaken the same
task.
This function is primarily used for optimization purposes.
pub fn will_wake_nonlocal(&self, other: &Waker) -> bool
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pub fn will_wake_nonlocal(&self, other: &Waker) -> bool
🔬 This is a nightly-only experimental API. (futures_api
)
futures in libcore are unstable
Returns whether or not this LocalWaker
and other
Waker
awaken the same task.
This function works on a best-effort basis, and may return false even
when the Waker
s would awaken the same task. However, if this function
returns true, it is guaranteed that the LocalWaker
s will awaken the same
task.
This function is primarily used for optimization purposes.
Trait Implementations
impl<'a> Deref for LocalWakerRef<'a>
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impl<'a> Deref for LocalWakerRef<'a>
type Target = LocalWaker
The resulting type after dereferencing.
fn deref(&self) -> &LocalWaker
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fn deref(&self) -> &LocalWaker
Dereferences the value.
impl<'a> Debug for LocalWakerRef<'a>
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impl<'a> Debug for LocalWakerRef<'a>
Auto Trait Implementations
impl<'a> Send for LocalWakerRef<'a>
impl<'a> Send for LocalWakerRef<'a>
impl<'a> Sync for LocalWakerRef<'a>
impl<'a> Sync for LocalWakerRef<'a>
Blanket Implementations
impl<T> From for T
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impl<T> From for T
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Ifn borrow(&self) -> &T
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fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Ifn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more