[−][src]Struct futures::future::IntoFuture
#[must_use = "futures do nothing unless polled"]pub struct IntoFuture<Fut> { /* fields omitted */ }
Future for the into_future
combinator.
Trait Implementations
impl<Fut> Future for IntoFuture<Fut> where
Fut: TryFuture,
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impl<Fut> Future for IntoFuture<Fut> where
Fut: TryFuture,
type Output = Result<<Fut as TryFuture>::Ok, <Fut as TryFuture>::Error>
🔬 This is a nightly-only experimental API. (futures_api
)
futures in libcore are unstable
The result of the Future
.
fn poll(
self: PinMut<IntoFuture<Fut>>,
cx: &mut Context
) -> Poll<<IntoFuture<Fut> as Future>::Output>
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fn poll(
self: PinMut<IntoFuture<Fut>>,
cx: &mut Context
) -> Poll<<IntoFuture<Fut> as Future>::Output>
🔬 This is a nightly-only experimental API. (futures_api
)
futures in libcore are unstable
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<Fut> Debug for IntoFuture<Fut> where
Fut: Debug,
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impl<Fut> Debug for IntoFuture<Fut> where
Fut: Debug,
Auto Trait Implementations
impl<Fut> Send for IntoFuture<Fut> where
Fut: Send,
impl<Fut> Send for IntoFuture<Fut> where
Fut: Send,
impl<Fut> Sync for IntoFuture<Fut> where
Fut: Sync,
impl<Fut> Sync for IntoFuture<Fut> where
Fut: Sync,
Blanket Implementations
impl<T> From for T
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impl<T> From for T
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Ifn borrow(&self) -> &T
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fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Ifn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<T> FutureExt for T where
T: Future + ?Sized,
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impl<T> FutureExt for T where
T: Future + ?Sized,
fn map<U, F>(self, f: F) -> Map<Self, F> where
F: FnOnce(Self::Output) -> U,
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fn map<U, F>(self, f: F) -> Map<Self, F> where
F: FnOnce(Self::Output) -> U,
Map this future's output to a different type, returning a new future of the resulting type. Read more
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
F: FnOnce(Self::Output) -> Fut,
Fut: Future,
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fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
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
fn join<Fut2>(self, other: Fut2) -> Join<Self, Fut2> where
Fut2: Future,
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fn join<Fut2>(self, other: Fut2) -> Join<Self, Fut2> where
Fut2: Future,
Joins the result of two futures, waiting for them both to complete. Read more
fn join3<Fut2, Fut3>(
self,
future2: Fut2,
future3: Fut3
) -> Join3<Self, Fut2, Fut3> where
Fut2: Future,
Fut3: Future,
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fn join3<Fut2, Fut3>(
self,
future2: Fut2,
future3: Fut3
) -> Join3<Self, Fut2, Fut3> where
Fut2: Future,
Fut3: Future,
Same as join
, but with more futures. Read more
fn join4<Fut2, Fut3, Fut4>(
self,
future2: Fut2,
future3: Fut3,
future4: Fut4
) -> Join4<Self, Fut2, Fut3, Fut4> where
Fut2: Future,
Fut3: Future + Future,
Fut4: Future,
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fn join4<Fut2, Fut3, Fut4>(
self,
future2: Fut2,
future3: Fut3,
future4: Fut4
) -> Join4<Self, Fut2, Fut3, Fut4> where
Fut2: Future,
Fut3: Future + Future,
Fut4: Future,
Same as join
, but with more futures. Read more
fn join5<Fut2, Fut3, Fut4, Fut5>(
self,
future2: Fut2,
future3: Fut3,
future4: Fut4,
future5: Fut5
) -> Join5<Self, Fut2, Fut3, Fut4, Fut5> where
Fut2: Future,
Fut3: Future + Future,
Fut4: Future,
Fut5: Future,
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fn join5<Fut2, Fut3, Fut4, Fut5>(
self,
future2: Fut2,
future3: Fut3,
future4: Fut4,
future5: Fut5
) -> Join5<Self, Fut2, Fut3, Fut4, Fut5> where
Fut2: Future,
Fut3: Future + Future,
Fut4: Future,
Fut5: Future,
Same as join
, but with more futures. Read more
fn into_stream(self) -> IntoStream<Self>
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fn into_stream(self) -> IntoStream<Self>
Convert this future into a single element stream. Read more
fn flatten(self) -> Flatten<Self> where
Self::Output: Future,
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fn flatten(self) -> Flatten<Self> where
Self::Output: Future,
Flatten the execution of this future when the successful result of this future is itself another future. Read more
fn flatten_stream(self) -> FlattenStream<Self> where
Self::Output: Stream,
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fn flatten_stream(self) -> FlattenStream<Self> where
Self::Output: Stream,
Flatten the execution of this future when the successful result of this future is a stream. Read more
fn fuse(self) -> Fuse<Self>
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fn fuse(self) -> Fuse<Self>
Fuse a future such that poll
will never again be called once it has completed. Read more
fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnOnce(&Self::Output),
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fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnOnce(&Self::Output),
Do something with the output of a future before passing it on. Read more
fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,
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fn catch_unwind(self) -> CatchUnwind<Self> where
Self: 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
fn boxed(self) -> PinBox<Self>
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fn boxed(self) -> PinBox<Self>
Wrap the future in a Box, pinning it.
fn unit_error(self) -> UnitError<Self>
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fn unit_error(self) -> UnitError<Self>
Turns a Future
into a TryFuture
with Error = ()
.
fn with_spawner<Sp>(self, spawner: Sp) -> WithSpawner<Self, Sp> where
Sp: Spawn,
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fn with_spawner<Sp>(self, spawner: Sp) -> WithSpawner<Self, Sp> where
Sp: Spawn,
Assigns the provided Spawn
to be used when spawning tasks from within the future. Read more
fn poll_unpin(&mut self, cx: &mut Context) -> Poll<Self::Output> where
Self: Unpin,
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fn poll_unpin(&mut self, cx: &mut Context) -> Poll<Self::Output> where
Self: Unpin,
A convenience for calling Future::poll
on Unpin
future types.
impl<F, T, E> TryFuture for F where
F: Future<Output = Result<T, E>>,
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impl<F, T, E> TryFuture for F where
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: PinMut<F>, cx: &mut Context) -> Poll<<F as Future>::Output>
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fn try_poll(self: PinMut<F>, cx: &mut Context) -> Poll<<F as Future>::Output>
Poll this TryFuture
as if it were a Future
. Read more
impl<Fut> TryFutureExt for Fut where
Fut: TryFuture,
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impl<Fut> TryFutureExt for Fut where
Fut: TryFuture,
fn flatten_sink(self) -> FlattenSink<Self, Self::Ok> where
Self::Ok: Sink,
<Self::Ok as Sink>::SinkError == Self::Error,
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fn flatten_sink(self) -> FlattenSink<Self, Self::Ok> where
Self::Ok: Sink,
<Self::Ok as Sink>::SinkError == Self::Error,
Flattens the execution of this future when the successful result of this future is a [Sink
]. Read more
fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where
F: FnOnce(Self::Ok) -> T,
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fn map_ok<T, F>(self, f: F) -> MapOk<Self, F> where
F: FnOnce(Self::Ok) -> T,
Maps this future's success value to a different value. Read more
fn map_err<E, F>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error) -> E,
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fn map_err<E, F>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error) -> E,
Maps this future's error value to a different value. Read more
fn err_into<E>(self) -> ErrInto<Self, E> where
Self::Error: Into<E>,
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fn err_into<E>(self) -> ErrInto<Self, E> where
Self::Error: Into<E>,
Maps this future's Error
to a new error type using the Into
trait. Read more
fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
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fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F> where
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
fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
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fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F> where
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
fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F> where
F: FnOnce(Self::Error) -> Self::Ok,
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fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F> where
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
fn compat<Sp>(self, spawn: Sp) -> Compat<Self, Sp> where
Self: Unpin,
Sp: Spawn,
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fn compat<Sp>(self, spawn: Sp) -> Compat<Self, Sp> where
Self: Unpin,
Sp: Spawn,
Wraps a [TryFuture
] into a future compatable with libraries using futures 0.1 future definitons. Requires the compat
feature to enable. Read more
fn into_future(self) -> IntoFuture<Self>
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fn into_future(self) -> IntoFuture<Self>
Wraps a [TryFuture
] into a type that implements Future
. Read more
fn try_join<Fut2>(self, other: Fut2) -> TryJoin<Self, Fut2> where
Fut2: TryFuture<Error = Self::Error>,
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fn try_join<Fut2>(self, other: Fut2) -> TryJoin<Self, Fut2> where
Fut2: TryFuture<Error = Self::Error>,
Joins the result of two futures, waiting for them both to complete or for one to produce an error. Read more
fn try_join3<Fut2, Fut3>(
self,
future2: Fut2,
future3: Fut3
) -> TryJoin3<Self, Fut2, Fut3> where
Fut2: TryFuture<Error = Self::Error>,
Fut3: TryFuture<Error = Self::Error>,
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fn try_join3<Fut2, Fut3>(
self,
future2: Fut2,
future3: Fut3
) -> TryJoin3<Self, Fut2, Fut3> where
Fut2: TryFuture<Error = Self::Error>,
Fut3: TryFuture<Error = Self::Error>,
Same as try_join
, but with more futures. Read more
fn try_join4<Fut2, Fut3, Fut4>(
self,
future2: Fut2,
future3: Fut3,
future4: Fut4
) -> TryJoin4<Self, Fut2, Fut3, Fut4> where
Fut2: TryFuture<Error = Self::Error>,
Fut3: TryFuture<Error = Self::Error>,
Fut4: TryFuture<Error = Self::Error>,
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fn try_join4<Fut2, Fut3, Fut4>(
self,
future2: Fut2,
future3: Fut3,
future4: Fut4
) -> TryJoin4<Self, Fut2, Fut3, Fut4> where
Fut2: TryFuture<Error = Self::Error>,
Fut3: TryFuture<Error = Self::Error>,
Fut4: TryFuture<Error = Self::Error>,
Same as try_join
, but with more futures. Read more
fn try_join5<Fut2, Fut3, Fut4, Fut5>(
self,
future2: Fut2,
future3: Fut3,
future4: Fut4,
future5: Fut5
) -> TryJoin5<Self, Fut2, Fut3, Fut4, Fut5> where
Fut2: TryFuture<Error = Self::Error>,
Fut3: TryFuture<Error = Self::Error>,
Fut4: TryFuture<Error = Self::Error>,
Fut5: TryFuture<Error = Self::Error>,
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fn try_join5<Fut2, Fut3, Fut4, Fut5>(
self,
future2: Fut2,
future3: Fut3,
future4: Fut4,
future5: Fut5
) -> TryJoin5<Self, Fut2, Fut3, Fut4, Fut5> where
Fut2: TryFuture<Error = Self::Error>,
Fut3: TryFuture<Error = Self::Error>,
Fut4: TryFuture<Error = Self::Error>,
Fut5: TryFuture<Error = Self::Error>,
Same as try_join
, but with more futures. Read more