Enum libp2p_core::either::EitherFuture [−][src]
pub enum EitherFuture<A, B> {
First(A),
Second(B),
}
Expand description
Implements Future
and dispatches all method calls to either First
or Second
.
Variants
Trait Implementations
fn clone(&self) -> EitherFuture<A, B>ⓘNotable traits for EitherFuture<AFuture, BFuture>impl<AFuture, BFuture, AInner, BInner> Future for EitherFuture<AFuture, BFuture> where
AFuture: TryFuture<Ok = AInner>,
BFuture: TryFuture<Ok = BInner>, type Output = Result<EitherOutput<AInner, BInner>, EitherError<AFuture::Error, BFuture::Error>>;
fn clone(&self) -> EitherFuture<A, B>ⓘNotable traits for EitherFuture<AFuture, BFuture>impl<AFuture, BFuture, AInner, BInner> Future for EitherFuture<AFuture, BFuture> where
AFuture: TryFuture<Ok = AInner>,
BFuture: TryFuture<Ok = BInner>, type Output = Result<EitherOutput<AInner, BInner>, EitherError<AFuture::Error, BFuture::Error>>;
impl<AFuture, BFuture, AInner, BInner> Future for EitherFuture<AFuture, BFuture> where
AFuture: TryFuture<Ok = AInner>,
BFuture: TryFuture<Ok = BInner>, type Output = Result<EitherOutput<AInner, BInner>, EitherError<AFuture::Error, BFuture::Error>>;
Returns a copy of the value. Read more
Performs copy-assignment from source
. Read more
impl<AFuture, BFuture, AInner, BInner> Future for EitherFuture<AFuture, BFuture> where
AFuture: TryFuture<Ok = AInner>,
BFuture: TryFuture<Ok = BInner>,
impl<AFuture, BFuture, AInner, BInner> Future for EitherFuture<AFuture, BFuture> where
AFuture: TryFuture<Ok = AInner>,
BFuture: TryFuture<Ok = BInner>,
type Output = Result<EitherOutput<AInner, BInner>, EitherError<AFuture::Error, BFuture::Error>>
type Output = Result<EitherOutput<AInner, BInner>, EitherError<AFuture::Error, BFuture::Error>>
The type of value produced on completion.
Auto Trait Implementations
impl<A, B> RefUnwindSafe for EitherFuture<A, B> where
A: RefUnwindSafe,
B: RefUnwindSafe,
impl<A, B> Send for EitherFuture<A, B> where
A: Send,
B: Send,
impl<A, B> Sync for EitherFuture<A, B> where
A: Sync,
B: Sync,
impl<A, B> UnwindSafe for EitherFuture<A, B> where
A: UnwindSafe,
B: UnwindSafe,
Blanket Implementations
Mutably borrows from an owned value. Read more
Map this future’s output to a different type, returning a new future of the resulting type. Read more
Map this future’s output to a different type, returning a new future of the resulting type. Read more
Chain on a computation for when a future finished, passing the result of
the future to the provided closure f
. Read more
fn left_future<B>(self) -> Either<Self, B> where
B: Future<Output = Self::Output>,
fn left_future<B>(self) -> Either<Self, B> where
B: Future<Output = Self::Output>,
Wrap this future in an Either
future, making it the left-hand variant
of that Either
. Read more
fn right_future<A>(self) -> Either<A, Self> where
A: Future<Output = Self::Output>,
fn right_future<A>(self) -> Either<A, Self> where
A: Future<Output = Self::Output>,
Wrap this future in an Either
future, making it the right-hand variant
of that Either
. Read more
fn into_stream(self) -> IntoStream<Self>
fn into_stream(self) -> IntoStream<Self>
Convert this future into a single element stream. Read more
Flatten the execution of this future when the output of this future is itself another future. Read more
fn flatten_stream(self) -> FlattenStream<Self> where
Self::Output: Stream,
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>
fn fuse(self) -> Fuse<Self>
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 more
Do something with the output of a future before passing it on. Read more
fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,
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 remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)
fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)
Turn this future into a future that yields ()
on completion and sends
its output to another future on a separate task. Read more
Wrap the future in a Box, pinning it. Read more
Wrap the future in a Box, pinning it. Read more
fn unit_error(self) -> UnitError<Self>
fn unit_error(self) -> UnitError<Self>
Turns a Future<Output = T>
into a
TryFuture<Ok = T, Error = ()
>. Read more
fn never_error(self) -> NeverError<Self>
fn never_error(self) -> NeverError<Self>
Turns a Future<Output = T>
into a
TryFuture<Ok = T, Error = Never
>. Read more
fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output> where
Self: Unpin,
fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output> where
Self: Unpin,
A convenience for calling Future::poll
on Unpin
future types.
fn now_or_never(self) -> Option<Self::Output>
fn now_or_never(self) -> Option<Self::Output>
Evaluates and consumes the future, returning the resulting output if
the future is ready after the first call to Future::poll
. Read more
into_future
)The output that the future will produce on completion.
type Future = F
type Future = F
into_future
)Which kind of future are we turning this into?
into_future
)Creates a future from a value.
impl<Fut> TryFutureExt for Fut where
Fut: TryFuture + ?Sized,
impl<Fut> TryFutureExt for Fut where
Fut: TryFuture + ?Sized,
fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok> where
Self::Ok: Sink<Item>,
<Self::Ok as Sink<Item>>::Error == Self::Error,
fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok> where
Self::Ok: Sink<Item>,
<Self::Ok as Sink<Item>>::Error == Self::Error,
Flattens the execution of this future when the successful result of this
future is a [Sink
]. Read more
Maps this future’s success value to a different value. Read more
fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E> where
F: FnOnce(Self::Ok) -> T,
E: FnOnce(Self::Error) -> T,
fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E> where
F: FnOnce(Self::Ok) -> T,
E: FnOnce(Self::Error) -> T,
Maps this future’s success value to a different value, and permits for error handling resulting in the same type. Read more
Maps this future’s error value to a different value. Read more
Executes another future after this one resolves successfully. The success value is passed to a closure to create this subsequent future. Read more
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 inspect_ok<F>(self, f: F) -> InspectOk<Self, F> where
F: FnOnce(&Self::Ok),
fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F> where
F: FnOnce(&Self::Ok),
Do something with the success value of a future before passing it on. Read more
fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> where
F: FnOnce(&Self::Error),
fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> where
F: FnOnce(&Self::Error),
Do something with the error value of a future before passing it on. Read more
fn try_flatten(self) -> TryFlatten<Self, Self::Ok> where
Self::Ok: TryFuture,
<Self::Ok as TryFuture>::Error == Self::Error,
fn try_flatten(self) -> TryFlatten<Self, Self::Ok> where
Self::Ok: TryFuture,
<Self::Ok as TryFuture>::Error == Self::Error,
Flatten the execution of this future when the successful result of this future is another future. Read more
fn try_flatten_stream(self) -> TryFlattenStream<Self> where
Self::Ok: TryStream,
<Self::Ok as TryStream>::Error == Self::Error,
fn try_flatten_stream(self) -> TryFlattenStream<Self> where
Self::Ok: TryStream,
<Self::Ok as TryStream>::Error == Self::Error,
Flatten the execution of this future when the successful result of this future is a stream. Read more