Struct tokio_test::task::Spawn[−][src]

pub struct Spawn<T> { /* fields omitted */ }
Expand description

Future spawned on a mock task

Implementations

impl<T> Spawn<T>[src]

pub fn into_inner(self) -> T where
    T: Unpin, [src]

Consumes self returning the inner value

pub fn is_woken(&self) -> bool[src]

Returns true if the inner future has received a wake notification since the last call to enter.

pub fn waker_ref_count(&self) -> usize[src]

Returns the number of references to the task waker

The task itself holds a reference. The return value will never be zero.

pub fn enter<F, R>(&mut self, f: F) -> R where
    F: FnOnce(&mut Context<'_>, Pin<&mut T>) -> R, [src]

Enter the task context

impl<T: Future> Spawn<T>[src]

pub fn poll(&mut self) -> Poll<T::Output>[src]

Polls a future

impl<T: Stream> Spawn<T>[src]

pub fn poll_next(&mut self) -> Poll<Option<T::Item>>[src]

Polls a stream

Trait Implementations

impl<T: Debug> Debug for Spawn<T>[src]

fn fmt(&self, f: &mut Formatter<'_>) -> Result[src]

Formats the value using the given formatter. Read more

impl<T: Unpin> Deref for Spawn<T>[src]

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &T[src]

Dereferences the value.

impl<T: Unpin> DerefMut for Spawn<T>[src]

fn deref_mut(&mut self) -> &mut T[src]

Mutably dereferences the value.

impl<T: Future> Future for Spawn<T>[src]

type Output = T::Output

The type of value produced on completion.

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>[src]

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more

impl<T: Stream> Stream for Spawn<T>[src]

type Item = T::Item

Values yielded by the stream.

fn poll_next(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>[src]

Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted. Read more

fn size_hint(&self) -> (usize, Option<usize>)[src]

Returns the bounds on the remaining length of the stream. Read more

Auto Trait Implementations

impl<T> !RefUnwindSafe for Spawn<T>

impl<T> Send for Spawn<T> where
    T: Send, 

impl<T> Sync for Spawn<T> where
    T: Sync, 

impl<T> Unpin for Spawn<T>

impl<T> !UnwindSafe for Spawn<T>

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<F> IntoFuture for F where
    F: Future, [src]

type Output = <F as Future>::Output

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

The output that the future will produce on completion.

type Future = F

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

Which kind of future are we turning this into?

pub fn into_future(self) -> <F as IntoFuture>::Future[src]

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

Creates a future from a value.

impl<St> StreamExt for St where
    St: Stream + ?Sized, [src]

fn next(&mut self) -> Next<'_, Self> where
    Self: Unpin, [src]

Consumes and returns the next value in the stream or None if the stream is finished. Read more

fn try_next<T, E>(&mut self) -> TryNext<'_, Self> where
    Self: Stream<Item = Result<T, E>> + Unpin, [src]

Consumes and returns the next item in the stream. If an error is encountered before the next item, the error is returned instead. Read more

fn map<T, F>(self, f: F) -> Map<Self, F> where
    F: FnMut(Self::Item) -> T, [src]

Maps this stream’s items to a different type, returning a new stream of the resulting type. Read more

fn merge<U>(self, other: U) -> Merge<Self, U> where
    U: Stream<Item = Self::Item>, [src]

Combine two streams into one by interleaving the output of both as it is produced. Read more

fn filter<F>(self, f: F) -> Filter<Self, F> where
    F: FnMut(&Self::Item) -> bool, [src]

Filters the values produced by this stream according to the provided predicate. Read more

fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F> where
    F: FnMut(Self::Item) -> Option<T>, [src]

Filters the values produced by this stream while simultaneously mapping them to a different type according to the provided closure. Read more

fn fuse(self) -> Fuse<Self>[src]

Creates a stream which ends after the first None. Read more

fn take(self, n: usize) -> Take<Self>[src]

Creates a new stream of at most n items of the underlying stream. Read more

fn take_while<F>(self, f: F) -> TakeWhile<Self, F> where
    F: FnMut(&Self::Item) -> bool, [src]

Take elements from this stream while the provided predicate resolves to true. Read more

fn skip(self, n: usize) -> Skip<Self>[src]

Creates a new stream that will skip the n first items of the underlying stream. Read more

fn skip_while<F>(self, f: F) -> SkipWhile<Self, F> where
    F: FnMut(&Self::Item) -> bool, [src]

Skip elements from the underlying stream while the provided predicate resolves to true. Read more

fn all<F>(&mut self, f: F) -> AllFuture<'_, Self, F> where
    Self: Unpin,
    F: FnMut(Self::Item) -> bool, [src]

Tests if every element of the stream matches a predicate. Read more

fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F> where
    Self: Unpin,
    F: FnMut(Self::Item) -> bool, [src]

Tests if any element of the stream matches a predicate. Read more

fn chain<U>(self, other: U) -> Chain<Self, U> where
    U: Stream<Item = Self::Item>, [src]

Combine two streams into one by first returning all values from the first stream then all values from the second stream. Read more

fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, B, F> where
    F: FnMut(B, Self::Item) -> B, [src]

A combinator that applies a function to every element in a stream producing a single, final value. Read more

fn collect<T>(self) -> Collect<Self, T> where
    T: FromStream<Self::Item>, [src]

Drain stream pushing all emitted values into a collection. Read more

fn timeout(self, duration: Duration) -> Timeout<Self>[src]

Applies a per-item timeout to the passed stream. Read more

fn throttle(self, duration: Duration) -> Throttle<Self>[src]

Slows down a stream by enforcing a delay between items. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<F, T, E> TryFuture for F where
    F: Future<Output = Result<T, E>> + ?Sized, [src]

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

pub fn try_poll(
    self: Pin<&mut F>,
    cx: &mut Context<'_>
) -> Poll<<F as Future>::Output>[src]

Poll this TryFuture as if it were a Future. Read more

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.

impl<S, T, E> TryStream for S where
    S: Stream<Item = Result<T, E>> + ?Sized, [src]

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

pub fn try_poll_next(
    self: Pin<&mut S>,
    cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>[src]

Poll this TryStream as if it were a Stream. Read more