1.36.0[−][src]Enum tract_nnef::internal::tract_downcast_rs::__std::task::Poll
Indicates whether a value is available or if the current task has been scheduled to receive a wakeup instead.
Variants
Represents that a value is immediately ready.
Represents that a value is not ready yet.
When a function returns Pending
, the function must also
ensure that the current task is scheduled to be awoken when
progress can be made.
Implementations
impl<T> Poll<T>
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pub fn map<U, F>(self, f: F) -> Poll<U> where
F: FnOnce(T) -> U,
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F: FnOnce(T) -> U,
Changes the ready value of this Poll
with the closure provided.
pub fn is_ready(&self) -> bool
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Returns true
if this is Poll::Ready
pub fn is_pending(&self) -> bool
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Returns true
if this is Poll::Pending
impl<T, E> Poll<Result<T, E>>
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pub fn map_ok<U, F>(self, f: F) -> Poll<Result<U, E>> where
F: FnOnce(T) -> U,
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F: FnOnce(T) -> U,
Changes the success value of this Poll
with the closure provided.
pub fn map_err<U, F>(self, f: F) -> Poll<Result<T, U>> where
F: FnOnce(E) -> U,
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F: FnOnce(E) -> U,
Changes the error value of this Poll
with the closure provided.
impl<T, E> Poll<Option<Result<T, E>>>
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pub fn map_ok<U, F>(self, f: F) -> Poll<Option<Result<U, E>>> where
F: FnOnce(T) -> U,
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F: FnOnce(T) -> U,
poll_map
)Changes the success value of this Poll
with the closure provided.
pub fn map_err<U, F>(self, f: F) -> Poll<Option<Result<T, U>>> where
F: FnOnce(E) -> U,
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F: FnOnce(E) -> U,
poll_map
)Changes the error value of this Poll
with the closure provided.
Trait Implementations
impl<T> Clone for Poll<T> where
T: Clone,
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T: Clone,
impl<T> Copy for Poll<T> where
T: Copy,
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T: Copy,
impl<T> Debug for Poll<T> where
T: Debug,
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T: Debug,
impl<T> Eq for Poll<T> where
T: Eq,
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T: Eq,
impl<T> From<T> for Poll<T>
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impl<T> Hash for Poll<T> where
T: Hash,
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T: Hash,
fn hash<__H>(&self, state: &mut __H) where
__H: Hasher,
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__H: Hasher,
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl<T> Ord for Poll<T> where
T: Ord,
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T: Ord,
fn cmp(&self, other: &Poll<T>) -> Ordering
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#[must_use]fn max(self, other: Self) -> Self
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#[must_use]fn min(self, other: Self) -> Self
1.21.0[src]
#[must_use]fn clamp(self, min: Self, max: Self) -> Self
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impl<T> PartialEq<Poll<T>> for Poll<T> where
T: PartialEq<T>,
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T: PartialEq<T>,
impl<T> PartialOrd<Poll<T>> for Poll<T> where
T: PartialOrd<T>,
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T: PartialOrd<T>,
Auto Trait Implementations
impl<T> RefUnwindSafe for Poll<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
impl<T> Send for Poll<T> where
T: Send,
T: Send,
impl<T> Sync for Poll<T> where
T: Sync,
T: Sync,
impl<T> Unpin for Poll<T> where
T: Unpin,
T: Unpin,
impl<T> UnwindSafe for Poll<T> where
T: UnwindSafe,
T: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow(&self) -> &TⓘNotable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;
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Notable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut TⓘNotable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;
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Notable traits for &'_ mut W
impl<'_, W> Write for &'_ mut W where
W: Write + ?Sized, impl<'_, R> Read for &'_ mut R where
R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;
impl<T> Downcast for T where
T: Any,
T: Any,
fn into_any(self: Box<T>) -> Box<dyn Any + 'static>ⓘNotable traits for Box<W>
impl<W> Write for Box<W> where
W: Write + ?Sized, impl<R> Read for Box<R> where
R: Read + ?Sized, impl<F> Future for Box<F> where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<I> Iterator for Box<I> where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;
Notable traits for Box<W>
impl<W> Write for Box<W> where
W: Write + ?Sized, impl<R> Read for Box<R> where
R: Read + ?Sized, impl<F> Future for Box<F> where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<I> Iterator for Box<I> where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
fn as_any(&self) -> &(dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
impl<T> DowncastSync for T where
T: Send + Sync + Any,
T: Send + Sync + Any,
impl<T> DynClone for T where
T: Clone,
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T: Clone,
impl<T> From<!> for T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
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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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,