pub struct FutureObj<'a, T>(/* private fields */);Expand description
A custom trait object for polling futures, roughly akin to
Box<dyn Future<Output = T> + Send + 'a>.
This custom trait object was introduced as currently it is not possible to
take dyn Trait by value and Box<dyn Trait> is not available in no_std
contexts.
You should generally not need to use this type outside of no_std or when
implementing Spawn, consider using BoxFuture instead.
Implementations§
Trait Implementations§
Source§impl<'a, T> From<FutureObj<'a, T>> for LocalFutureObj<'a, T>
impl<'a, T> From<FutureObj<'a, T>> for LocalFutureObj<'a, T>
impl<T> Send for FutureObj<'_, T>
impl<T> Unpin for FutureObj<'_, T>
Auto Trait Implementations§
impl<'a, T> Freeze for FutureObj<'a, T>
impl<'a, T> !RefUnwindSafe for FutureObj<'a, T>
impl<'a, T> !Sync for FutureObj<'a, T>
impl<'a, T> !UnwindSafe for FutureObj<'a, T>
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Source§impl<T> FutureExt for T
impl<T> FutureExt for T
Source§fn map<U, F>(self, f: F) -> Map<Self, F> ⓘ
fn map<U, F>(self, f: F) -> Map<Self, F> ⓘ
Source§fn map_into<U>(self) -> MapInto<Self, U> ⓘ
fn map_into<U>(self) -> MapInto<Self, U> ⓘ
Source§fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> ⓘ
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> ⓘ
f. Read moreSource§fn left_future<B>(self) -> Either<Self, B> ⓘ
fn left_future<B>(self) -> Either<Self, B> ⓘ
Source§fn right_future<A>(self) -> Either<A, Self> ⓘ
fn right_future<A>(self) -> Either<A, Self> ⓘ
Source§fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
Source§fn flatten(self) -> Flatten<Self> ⓘ
fn flatten(self) -> Flatten<Self> ⓘ
Source§fn flatten_stream(self) -> FlattenStream<Self>
fn flatten_stream(self) -> FlattenStream<Self>
Source§fn fuse(self) -> Fuse<Self> ⓘwhere
Self: Sized,
fn fuse(self) -> Fuse<Self> ⓘwhere
Self: Sized,
poll will never again be called once it has
completed. This method can be used to turn any Future into a
FusedFuture. Read moreSource§fn inspect<F>(self, f: F) -> Inspect<Self, F> ⓘ
fn inspect<F>(self, f: F) -> Inspect<Self, F> ⓘ
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Self: Sized,
fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)where
Self: Sized,
() on completion and sends
its output to another future on a separate task. Read moreSource§fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
Source§fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>>where
Self: Sized + 'a,
fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>>where
Self: Sized + 'a,
Source§fn unit_error(self) -> UnitError<Self> ⓘwhere
Self: Sized,
fn unit_error(self) -> UnitError<Self> ⓘwhere
Self: Sized,
Future<Output = T> into a
TryFuture<Ok = T, Error = ()>.Source§fn never_error(self) -> NeverError<Self> ⓘwhere
Self: Sized,
fn never_error(self) -> NeverError<Self> ⓘwhere
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Future<Output = T> into a
TryFuture<Ok = T, Error = Never>.Source§impl<T> FutureExt for T
impl<T> FutureExt for T
Source§fn with_cancellation_token(
self,
cancellation_token: &CancellationToken,
) -> WithCancellationTokenFuture<'_, Self>where
Self: Sized,
fn with_cancellation_token(
self,
cancellation_token: &CancellationToken,
) -> WithCancellationTokenFuture<'_, Self>where
Self: Sized,
CancellationToken::run_until_cancelled,
but with the advantage that it is easier to write fluent call chains. Read moreSource§fn with_cancellation_token_owned(
self,
cancellation_token: CancellationToken,
) -> WithCancellationTokenFutureOwned<Self>where
Self: Sized,
fn with_cancellation_token_owned(
self,
cancellation_token: CancellationToken,
) -> WithCancellationTokenFutureOwned<Self>where
Self: Sized,
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otherwise. Read moreSource§impl<F> IntoFuture for Fwhere
F: Future,
impl<F> IntoFuture for Fwhere
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Source§type IntoFuture = F
type IntoFuture = F
Source§fn into_future(self) -> <F as IntoFuture>::IntoFuture
fn into_future(self) -> <F as IntoFuture>::IntoFuture
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