[−][src]Struct futures_test::task::RecordSpawner

pub struct RecordSpawner { /* fields omitted */ }

An implementation of Spawn that records any Futures spawned on it.

Examples

#![feature(async_await, futures_api)]
use futures::task::SpawnExt;
use futures_test::task::RecordSpawner;

let mut recorder = RecordSpawner::new();
recorder.spawn(async { });
assert_eq!(recorder.spawned().len(), 1);

Methods

impl RecordSpawner
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pub fn new() -> Self
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Create a new instance

pub fn spawned(&self) -> &[FutureObj<'static, ()>]
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Inspect any futures that were spawned onto this Spawn.

Trait Implementations

impl Default for RecordSpawner
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impl Debug for RecordSpawner
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impl Spawn for RecordSpawner
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fn status(&self) -> Result<(), SpawnError>
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Determines whether the executor is able to spawn new tasks. Read more

Auto Trait Implementations

impl Send for RecordSpawner

impl !Sync for RecordSpawner

Blanket Implementations

impl<T> From for T
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impl<T, U> Into for T where
    U: From<T>, 
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impl<T, U> TryFrom for T where
    T: From<U>, 
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type Error = !

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

impl<T> Borrow for T where
    T: ?Sized, 
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impl<T> Any for T where
    T: 'static + ?Sized, 
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impl<T> BorrowMut for T where
    T: ?Sized, 
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impl<T, U> TryInto for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

impl<Sp> SpawnExt for Sp where
    Sp: Spawn + ?Sized, 
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fn spawn<Fut>(&mut self, future: Fut) -> Result<(), SpawnError> where
    Fut: Future<Output = ()> + Send + 'static, 
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Spawns a task that polls the given future with output () to completion. Read more

fn spawn_with_handle<Fut>(
    &mut self,
    future: Fut
) -> Result<RemoteHandle<<Fut as Future>::Output>, SpawnError> where
    Fut: Future + Send + 'static,
    <Fut as Future>::Output: Send, 
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Spawns a task that polls the given future to completion and returns a future that resolves to the spawned future's output. Read more

fn compat(self) -> Compat<Self>
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Wraps a [Spawn] and makes it usable as a futures 0.1 Executor. Requires the compat feature to enable. Read more