[−][src]Struct futures_test::future::PendingOnce
Combinator that guarantees one Poll::Pending before polling its inner
future.
This is created by the
FutureTestExt::pending_once
method.
Trait Implementations
impl<Fut: Clone + Future> Clone for PendingOnce<Fut>[src]
ⓘImportant traits for PendingOnce<Fut>fn clone(&self) -> PendingOnce<Fut>[src]
default fn clone_from(&mut self, source: &Self)1.0.0[src]
Performs copy-assignment from source. Read more
impl<Fut: Debug + Future> Debug for PendingOnce<Fut>[src]
impl<Fut: Future> Future for PendingOnce<Fut>[src]
type Output = Fut::Output
🔬 This is a nightly-only experimental API. (futures_api)
futures in libcore are unstable
The type of value produced on completion.
fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output>[src]
impl<Fut: Future + FusedFuture> FusedFuture for PendingOnce<Fut>[src]
fn is_terminated(&self) -> bool[src]
Auto Trait Implementations
impl<Fut> Send for PendingOnce<Fut> where
Fut: Send,
Fut: Send,
impl<Fut> Sync for PendingOnce<Fut> where
Fut: Sync,
Fut: Sync,
Blanket Implementations
impl<Fut> FutureTestExt for Fut where
Fut: Future, [src]
Fut: Future,
ⓘImportant traits for AssertUnmoved<Fut>fn assert_unmoved(self) -> AssertUnmoved<Self> where
Self: Sized, [src]
Self: Sized,
Asserts that the given is not moved after being polled. Read more
ⓘImportant traits for PendingOnce<Fut>fn pending_once(self) -> PendingOnce<Self> where
Self: Sized, [src]
Self: Sized,
Introduces one Poll::Pending before polling the given future. Read more
fn run_in_background(self) where
Self: Sized + Send + 'static,
Self::Output: Send, [src]
Self: Sized + Send + 'static,
Self::Output: Send,
Runs this future on a dedicated executor running in a background thread. Read more
impl<T> ToOwned for T where
T: Clone, [src]
T: Clone,
impl<T> From for T[src]
impl<T, U> Into for T where
U: From<T>, [src]
U: From<T>,
impl<T, U> TryFrom for T where
U: Into<T>, [src]
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>[src]
impl<T> Borrow for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized, [src]
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T[src]
impl<T, U> TryInto for T where
U: TryFrom<T>, [src]
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>[src]
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
impl<F, T, E> TryFuture for F where
F: Future<Output = Result<T, E>>, [src]
F: Future<Output = Result<T, E>>,
type Ok = T
The type of successful values yielded by this future
type Error = E
The type of failures yielded by this future
fn try_poll(self: Pin<&mut F>, cx: &mut Context) -> Poll<<F as Future>::Output>[src]
impl<T> FutureExt for T where
T: Future + ?Sized, [src]
T: Future + ?Sized,
default fn map<U, F>(self, f: F) -> Map<Self, F> where
F: FnOnce(Self::Output) -> U, [src]
F: FnOnce(Self::Output) -> U,
Map this future's output to a different type, returning a new future of the resulting type. Read more
default fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
F: FnOnce(Self::Output) -> Fut,
Fut: Future, [src]
F: FnOnce(Self::Output) -> Fut,
Fut: Future,
Chain on a computation for when a future finished, passing the result of the future to the provided closure f. Read more
default fn into_stream(self) -> IntoStream<Self>[src]
Convert this future into a single element stream. Read more
default fn flatten(self) -> Flatten<Self> where
Self::Output: Future, [src]
Self::Output: Future,
Flatten the execution of this future when the successful result of this future is itself another future. Read more
default fn flatten_stream(self) -> FlattenStream<Self> where
Self::Output: Stream, [src]
Self::Output: Stream,
Flatten the execution of this future when the successful result of this future is a stream. Read more
default fn fuse(self) -> Fuse<Self>[src]
Fuse a future such that poll will never again be called once it has completed. This method can be used to turn any Future into a FusedFuture. Read more
default fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnOnce(&Self::Output), [src]
F: FnOnce(&Self::Output),
Do something with the output of a future before passing it on. Read more
default fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe, [src]
Self: UnwindSafe,
Catches unwinding panics while polling the future. Read more
default fn shared(self) -> Shared<Self> where
Self::Output: Clone, [src]
Self::Output: Clone,
Create a cloneable handle to this future where all handles will resolve to the same result. Read more
default fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)[src]
Turn this future into a future that yields () on completion and sends its output to another future on a separate task. Read more
default fn boxed(self) -> Pin<Box<Self>>[src]
Wrap the future in a Box, pinning it.
default fn unit_error(self) -> UnitError<Self>[src]
Turns a Future into a TryFuture with Error = ().
default fn poll_unpin(&mut self, cx: &mut Context) -> Poll<Self::Output> where
Self: Unpin, [src]
Self: Unpin,
A convenience for calling Future::poll on Unpin future types.
impl<Fut> TryFutureExt for Fut where
Fut: TryFuture, [src]
Fut: TryFuture,
default fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok> where
Self::Ok: Sink<Item>,
<Self::Ok as Sink<Item>>::SinkError == Self::Error, [src]
Self::Ok: Sink<Item>,
<Self::Ok as Sink<Item>>::SinkError == Self::Error,
Flattens the execution of this future when the successful result of this future is a [Sink]. Read more
default fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where
F: FnOnce(Self::Ok) -> T, [src]
F: FnOnce(Self::Ok) -> T,
Maps this future's success value to a different value. Read more
default fn map_err<E, F>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error) -> E, [src]
F: FnOnce(Self::Error) -> E,
Maps this future's error value to a different value. Read more
default fn err_into<E>(self) -> ErrInto<Self, E> where
Self::Error: Into<E>, [src]
Self::Error: Into<E>,
Maps this future's Error to a new error type using the Into trait. Read more
default fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>, [src]
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Executes another future after this one resolves successfully. The success value is passed to a closure to create this subsequent future. Read more
default fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>, [src]
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
Executes another future if this one resolves to an error. The error value is passed to a closure to create this subsequent future. Read more
default fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F> where
F: FnOnce(Self::Error) -> Self::Ok, [src]
F: FnOnce(Self::Error) -> Self::Ok,
Unwraps this future's ouput, producing a future with this future's Ok type as its Output type. Read more
default fn compat(self) -> Compat<Self> where
Self: Unpin, [src]
Self: Unpin,
Wraps a [TryFuture] into a future compatable with libraries using futures 0.1 future definitons. Requires the compat feature to enable. Read more
default fn into_future(self) -> IntoFuture<Self>[src]
Wraps a [TryFuture] into a type that implements Future. Read more