[−][src]Struct futures::unsync::oneshot::Receiver
A future representing the completion of a computation happening elsewhere in memory.
This is created by the unsync::oneshot::channel
function and is equivalent
in functionality to sync::oneshot::Receiver
except that it cannot be sent
across threads.
Methods
impl<T> Receiver<T>
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pub fn close(&mut self)
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Gracefully close this receiver, preventing sending any future messages.
Any send
operation which happens after this method returns is
guaranteed to fail. Once this method is called the normal poll
method
can be used to determine whether a message was actually sent or not. If
Canceled
is returned from poll
then no message was sent.
Trait Implementations
impl<T> Future for Receiver<T>
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type Item = T
The type of value that this future will resolved with if it is successful. Read more
type Error = Canceled
The type of error that this future will resolve with if it fails in a normal fashion. Read more
fn poll(&mut self) -> Poll<Self::Item, Self::Error>
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fn wait(self) -> Result<Self::Item, Self::Error> where
Self: Sized,
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Self: Sized,
fn map<F, U>(self, f: F) -> Map<Self, F> where
F: FnOnce(Self::Item) -> U,
Self: Sized,
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F: FnOnce(Self::Item) -> U,
Self: Sized,
fn map_err<F, E>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error) -> E,
Self: Sized,
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F: FnOnce(Self::Error) -> E,
Self: Sized,
fn from_err<E: From<Self::Error>>(self) -> FromErr<Self, E> where
Self: Sized,
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Self: Sized,
fn then<F, B>(self, f: F) -> Then<Self, B, F> where
F: FnOnce(Result<Self::Item, Self::Error>) -> B,
B: IntoFuture,
Self: Sized,
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F: FnOnce(Result<Self::Item, Self::Error>) -> B,
B: IntoFuture,
Self: Sized,
fn and_then<F, B>(self, f: F) -> AndThen<Self, B, F> where
F: FnOnce(Self::Item) -> B,
B: IntoFuture<Error = Self::Error>,
Self: Sized,
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F: FnOnce(Self::Item) -> B,
B: IntoFuture<Error = Self::Error>,
Self: Sized,
fn or_else<F, B>(self, f: F) -> OrElse<Self, B, F> where
F: FnOnce(Self::Error) -> B,
B: IntoFuture<Item = Self::Item>,
Self: Sized,
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F: FnOnce(Self::Error) -> B,
B: IntoFuture<Item = Self::Item>,
Self: Sized,
fn select<B>(self, other: B) -> Select<Self, B::Future> where
B: IntoFuture<Item = Self::Item, Error = Self::Error>,
Self: Sized,
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B: IntoFuture<Item = Self::Item, Error = Self::Error>,
Self: Sized,
fn select2<B>(self, other: B) -> Select2<Self, B::Future> where
B: IntoFuture,
Self: Sized,
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B: IntoFuture,
Self: Sized,
fn join<B>(self, other: B) -> Join<Self, B::Future> where
B: IntoFuture<Error = Self::Error>,
Self: Sized,
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B: IntoFuture<Error = Self::Error>,
Self: Sized,
fn join3<B, C>(self, b: B, c: C) -> Join3<Self, B::Future, C::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
Self: Sized,
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B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
Self: Sized,
fn join4<B, C, D>(
self,
b: B,
c: C,
d: D
) -> Join4<Self, B::Future, C::Future, D::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
Self: Sized,
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self,
b: B,
c: C,
d: D
) -> Join4<Self, B::Future, C::Future, D::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
Self: Sized,
fn join5<B, C, D, E>(
self,
b: B,
c: C,
d: D,
e: E
) -> Join5<Self, B::Future, C::Future, D::Future, E::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
E: IntoFuture<Error = Self::Error>,
Self: Sized,
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self,
b: B,
c: C,
d: D,
e: E
) -> Join5<Self, B::Future, C::Future, D::Future, E::Future> where
B: IntoFuture<Error = Self::Error>,
C: IntoFuture<Error = Self::Error>,
D: IntoFuture<Error = Self::Error>,
E: IntoFuture<Error = Self::Error>,
Self: Sized,
fn into_stream(self) -> IntoStream<Self> where
Self: Sized,
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Self: Sized,
fn flatten(self) -> Flatten<Self> where
Self::Item: IntoFuture,
<Self::Item as IntoFuture>::Error: From<Self::Error>,
Self: Sized,
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Self::Item: IntoFuture,
<Self::Item as IntoFuture>::Error: From<Self::Error>,
Self: Sized,
fn flatten_stream(self) -> FlattenStream<Self> where
Self::Item: Stream<Error = Self::Error>,
Self: Sized,
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Self::Item: Stream<Error = Self::Error>,
Self: Sized,
fn fuse(self) -> Fuse<Self> where
Self: Sized,
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Self: Sized,
fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnOnce(&Self::Item),
Self: Sized,
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F: FnOnce(&Self::Item),
Self: Sized,
fn catch_unwind(self) -> CatchUnwind<Self> where
Self: Sized + UnwindSafe,
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Self: Sized + UnwindSafe,
fn shared(self) -> Shared<Self> where
Self: Sized,
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Self: Sized,
impl<T: Debug> Debug for Receiver<T>
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impl<T> Drop for Receiver<T>
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Auto Trait Implementations
impl<T> Unpin for Receiver<T> where
T: Unpin,
T: Unpin,
impl<T> !Send for Receiver<T>
impl<T> !Sync for Receiver<T>
impl<T> !UnwindSafe for Receiver<T>
impl<T> !RefUnwindSafe for Receiver<T>
Blanket Implementations
impl<F> IntoFuture for F where
F: Future,
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F: Future,
type Future = F
The future that this type can be converted into.
type Item = <F as Future>::Item
The item that the future may resolve with.
type Error = <F as Future>::Error
The error that the future may resolve with.
fn into_future(Self) -> F
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impl<T> From<T> for 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> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
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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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,