Struct futures_util::future::AlwaysReady
source · pub struct AlwaysReady<T, F: Fn() -> T>(F);
Expand description
Future for the always_ready
function.
Tuple Fields§
§0: F
Trait Implementations§
source§impl<T, F: Fn() -> T> Debug for AlwaysReady<T, F>
impl<T, F: Fn() -> T> Debug for AlwaysReady<T, F>
source§impl<T, F: Fn() -> T> FusedFuture for AlwaysReady<T, F>
impl<T, F: Fn() -> T> FusedFuture for AlwaysReady<T, F>
source§fn is_terminated(&self) -> bool
fn is_terminated(&self) -> bool
Returns
true
if the underlying future should no longer be polled.source§impl<T, F: Fn() -> T> Future for AlwaysReady<T, F>
impl<T, F: Fn() -> T> Future for AlwaysReady<T, F>
impl<T, F: Fn() -> T + Copy> Copy for AlwaysReady<T, F>
impl<T, F: Fn() -> T> Unpin for AlwaysReady<T, F>
Auto Trait Implementations§
impl<T, F> Freeze for AlwaysReady<T, F>where
F: Freeze,
impl<T, F> RefUnwindSafe for AlwaysReady<T, F>where
F: RefUnwindSafe,
impl<T, F> Send for AlwaysReady<T, F>where
F: Send,
impl<T, F> Sync for AlwaysReady<T, F>where
F: Sync,
impl<T, F> UnwindSafe for AlwaysReady<T, F>where
F: UnwindSafe,
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
Mutably borrows from an owned value. Read more
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)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> ⓘ
Map this future’s output to a different type, returning a new future of
the resulting type. Read more
source§fn map_into<U>(self) -> MapInto<Self, U> ⓘ
fn map_into<U>(self) -> MapInto<Self, U> ⓘ
Map this future’s output to a different type, returning a new future of
the resulting type. Read more
source§fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> ⓘ
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> ⓘ
Chain on a computation for when a future finished, passing the result of
the future to the provided closure
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,
Convert this future into a single element stream. Read more
source§fn flatten(self) -> Flatten<Self> ⓘ
fn flatten(self) -> Flatten<Self> ⓘ
Flatten the execution of this future when the output of this
future is itself another future. Read more
source§fn flatten_stream(self) -> FlattenStream<Self>
fn flatten_stream(self) -> FlattenStream<Self>
Flatten the execution of this future when the successful result of this
future is a stream. Read more
source§fn fuse(self) -> Fuse<Self> ⓘwhere
Self: Sized,
fn fuse(self) -> Fuse<Self> ⓘwhere
Self: Sized,
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 moresource§fn inspect<F>(self, f: F) -> Inspect<Self, F> ⓘ
fn inspect<F>(self, f: F) -> Inspect<Self, F> ⓘ
Do something with the output of a future before passing it on. Read more
source§fn catch_unwind(self) -> CatchUnwind<Self> ⓘwhere
Self: Sized + UnwindSafe,
fn catch_unwind(self) -> CatchUnwind<Self> ⓘwhere
Self: Sized + UnwindSafe,
Catches unwinding panics while polling the future. Read more
Create a cloneable handle to this future where all handles will resolve
to the same result. Read more
source§fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)where
Self: Sized,
fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)where
Self: Sized,
Turn this future into a future that yields
()
on completion and sends
its output to another future on a separate task. Read moresource§fn boxed<'a>(self) -> BoxFuture<'a, Self::Output>
fn boxed<'a>(self) -> BoxFuture<'a, Self::Output>
Wrap the future in a Box, pinning it. Read more
source§fn boxed_local<'a>(self) -> LocalBoxFuture<'a, Self::Output>where
Self: Sized + 'a,
fn boxed_local<'a>(self) -> LocalBoxFuture<'a, Self::Output>where
Self: Sized + 'a,
Wrap the future in a Box, pinning it. Read more
source§fn unit_error(self) -> UnitError<Self> ⓘwhere
Self: Sized,
fn unit_error(self) -> UnitError<Self> ⓘwhere
Self: Sized,
Turns a
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
Self: Sized,
Turns a
Future<Output = T>
into a
TryFuture<Ok = T, Error = Never
>.source§impl<F> IntoFuture for Fwhere
F: Future,
impl<F> IntoFuture for Fwhere
F: Future,
source§type IntoFuture = F
type IntoFuture = F
Which kind of future are we turning this into?
source§fn into_future(self) -> <F as IntoFuture>::IntoFuture
fn into_future(self) -> <F as IntoFuture>::IntoFuture
Creates a future from a value. Read more
source§impl<Fut> TryFutureExt for Fut
impl<Fut> TryFutureExt for Fut
source§fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok>
fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok>
source§fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> ⓘ
fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> ⓘ
Maps this future’s success value to a different value. Read more
source§fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E> ⓘ
fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E> ⓘ
Maps this future’s success value to a different value, and permits for error handling resulting in the same type. Read more
source§fn map_err<E, F>(self, f: F) -> MapErr<Self, F> ⓘ
fn map_err<E, F>(self, f: F) -> MapErr<Self, F> ⓘ
Maps this future’s error value to a different value. Read more
source§fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> ⓘ
fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> ⓘ
Executes another future after this one resolves successfully. The
success value is passed to a closure to create this subsequent future. Read more
source§fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> ⓘ
fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> ⓘ
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
source§fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F> ⓘ
fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F> ⓘ
Do something with the success value of a future before passing it on. Read more
source§fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> ⓘ
fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> ⓘ
Do something with the error value of a future before passing it on. Read more
source§fn try_flatten(self) -> TryFlatten<Self, Self::Ok> ⓘ
fn try_flatten(self) -> TryFlatten<Self, Self::Ok> ⓘ
Flatten the execution of this future when the successful result of this
future is another future. Read more
source§fn try_flatten_stream(self) -> TryFlattenStream<Self>
fn try_flatten_stream(self) -> TryFlattenStream<Self>
Flatten the execution of this future when the successful result of this
future is a stream. Read more