pub struct OnUpgrade { /* private fields */ }
Expand description
A future for a possible HTTP upgrade.
If no upgrade was available, or it doesn’t succeed, yields an Error
.
Trait Implementations
Auto Trait Implementations
impl !RefUnwindSafe for OnUpgrade
impl Send for OnUpgrade
impl Sync for OnUpgrade
impl Unpin for OnUpgrade
impl !UnwindSafe for OnUpgrade
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> FutureExt for Twhere
T: Future + ?Sized,
impl<T> FutureExt for Twhere
T: Future + ?Sized,
sourcefn map<U, F>(self, f: F) -> Map<Self, F>where
F: FnOnce(Self::Output) -> U,
Self: Sized,
fn map<U, F>(self, f: F) -> Map<Self, F>where
F: FnOnce(Self::Output) -> U,
Self: Sized,
Map this future’s output to a different type, returning a new future of
the resulting type. Read more
sourcefn map_into<U>(self) -> MapInto<Self, U>where
Self::Output: Into<U>,
Self: Sized,
fn map_into<U>(self) -> MapInto<Self, U>where
Self::Output: Into<U>,
Self: Sized,
Map this future’s output to a different type, returning a new future of
the resulting type. Read more
sourcefn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>where
F: FnOnce(Self::Output) -> Fut,
Fut: Future,
Self: Sized,
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>where
F: FnOnce(Self::Output) -> Fut,
Fut: Future,
Self: Sized,
Chain on a computation for when a future finished, passing the result of
the future to the provided closure
f
. Read moresourcefn left_future<B>(self) -> Either<Self, B>where
B: Future<Output = Self::Output>,
Self: Sized,
fn left_future<B>(self) -> Either<Self, B>where
B: Future<Output = Self::Output>,
Self: Sized,
sourcefn right_future<A>(self) -> Either<A, Self>where
A: Future<Output = Self::Output>,
Self: Sized,
fn right_future<A>(self) -> Either<A, Self>where
A: Future<Output = Self::Output>,
Self: Sized,
sourcefn 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
sourcefn flatten(self) -> Flatten<Self>where
Self::Output: Future,
Self: Sized,
fn flatten(self) -> Flatten<Self>where
Self::Output: Future,
Self: Sized,
Flatten the execution of this future when the output of this
future is itself another future. Read more
sourcefn flatten_stream(self) -> FlattenStream<Self>where
Self::Output: Stream,
Self: Sized,
fn flatten_stream(self) -> FlattenStream<Self>where
Self::Output: Stream,
Self: Sized,
Flatten the execution of this future when the successful result of this
future is a stream. Read more
sourcefn 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 moresourcefn inspect<F>(self, f: F) -> Inspect<Self, F>where
F: FnOnce(&Self::Output),
Self: Sized,
fn inspect<F>(self, f: F) -> Inspect<Self, F>where
F: FnOnce(&Self::Output),
Self: Sized,
Do something with the output of a future before passing it on. Read more
sourcefn 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
sourcefn boxed<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>>where
Self: 'a + Sized + Send,
fn boxed<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>>where
Self: 'a + Sized + Send,
Wrap the future in a Box, pinning it. Read more
sourcefn boxed_local<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>>where
Self: 'a + Sized,
fn boxed_local<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>>where
Self: 'a + Sized,
Wrap the future in a Box, pinning it. Read more
sourcefn unit_error(self) -> UnitError<Self>where
Self: Sized,
fn unit_error(self) -> UnitError<Self>where
Self: Sized,
sourcefn never_error(self) -> NeverError<Self>where
Self: Sized,
fn never_error(self) -> NeverError<Self>where
Self: Sized,
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<F> IntoFuture for Fwhere
F: Future,
impl<F> IntoFuture for Fwhere
F: Future,
type IntoFuture = F
type IntoFuture = F
Which kind of future are we turning this into?
sourcefn into_future(self) -> <F as IntoFuture>::IntoFuture
fn into_future(self) -> <F as IntoFuture>::IntoFuture
Creates a future from a value. Read more
sourceimpl<Fut> TryFutureExt for Futwhere
Fut: TryFuture + ?Sized,
impl<Fut> TryFutureExt for Futwhere
Fut: TryFuture + ?Sized,
sourcefn map_ok<T, F>(self, f: F) -> MapOk<Self, F>where
F: FnOnce(Self::Ok) -> T,
Self: Sized,
fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>where
F: FnOnce(Self::Ok) -> T,
Self: Sized,
Maps this future’s success value to a different value. Read more
sourcefn 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,
Self: Sized,
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,
Self: Sized,
Maps this future’s success value to a different value, and permits for error handling resulting in the same type. Read more
sourcefn map_err<E, F>(self, f: F) -> MapErr<Self, F>where
F: FnOnce(Self::Error) -> E,
Self: Sized,
fn map_err<E, F>(self, f: F) -> MapErr<Self, F>where
F: FnOnce(Self::Error) -> E,
Self: Sized,
Maps this future’s error value to a different value. Read more
sourcefn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Self: Sized,
fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Self: Sized,
Executes another future after this one resolves successfully. The
success value is passed to a closure to create this subsequent future. Read more
sourcefn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
Self: Sized,
fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
Self: Sized,
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
sourcefn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>where
F: FnOnce(&Self::Ok),
Self: Sized,
fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>where
F: FnOnce(&Self::Ok),
Self: Sized,
Do something with the success value of a future before passing it on. Read more
sourcefn inspect_err<F>(self, f: F) -> InspectErr<Self, F>where
F: FnOnce(&Self::Error),
Self: Sized,
fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>where
F: FnOnce(&Self::Error),
Self: Sized,
Do something with the error value of a future before passing it on. Read more
sourcefn try_flatten(self) -> TryFlatten<Self, Self::Ok>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
fn try_flatten(self) -> TryFlatten<Self, Self::Ok>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
Flatten the execution of this future when the successful result of this
future is another future. Read more
sourcefn try_flatten_stream(self) -> TryFlattenStream<Self>where
Self::Ok: TryStream<Error = Self::Error>,
Self: Sized,
fn try_flatten_stream(self) -> TryFlattenStream<Self>where
Self::Ok: TryStream<Error = Self::Error>,
Self: Sized,
Flatten the execution of this future when the successful result of this
future is a stream. Read more