tower_util

Struct ServiceFn

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pub struct ServiceFn<T> { /* private fields */ }
Expand description

A Service implemented by a closure.

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impl<T: Clone> Clone for ServiceFn<T>

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fn clone(&self) -> ServiceFn<T>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Debug> Debug for ServiceFn<T>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<T, F, Request, R, E> Service<Request> for ServiceFn<T>
where T: FnMut(Request) -> F, F: Future<Output = Result<R, E>>,

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type Response = R

Responses given by the service.
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type Error = E

Errors produced by the service.
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type Future = F

The future response value.
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fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), E>>

Returns Poll::Ready(Ok(())) when the service is able to process requests. Read more
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fn call(&mut self, req: Request) -> Self::Future

Process the request and return the response asynchronously. Read more
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impl<T: Copy> Copy for ServiceFn<T>

Auto Trait Implementations§

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impl<T> Freeze for ServiceFn<T>
where T: Freeze,

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impl<T> RefUnwindSafe for ServiceFn<T>
where T: RefUnwindSafe,

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impl<T> Send for ServiceFn<T>
where T: Send,

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impl<T> Sync for ServiceFn<T>
where T: Sync,

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impl<T> Unpin for ServiceFn<T>
where T: Unpin,

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impl<T> UnwindSafe for ServiceFn<T>
where T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, Request> ServiceExt<Request> for T
where T: Service<Request> + ?Sized,

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fn ready(&mut self) -> Ready<'_, Self, Request> ⓘ
where Self: Sized,

👎Deprecated since 0.3.1: prefer ready_and which yields the service
Resolves when the service is ready to accept a request.
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fn ready_and(&mut self) -> ReadyAnd<'_, Self, Request> ⓘ
where Self: Sized,

Yields a mutable reference to the service when it is ready to accept a request.
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fn ready_oneshot(self) -> ReadyOneshot<Self, Request> ⓘ
where Self: Sized,

Yields the service when it is ready to accept a request.
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fn oneshot(self, req: Request) -> Oneshot<Self, Request> ⓘ
where Self: Sized,

Consume this Service, calling with the providing request once it is ready.
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fn call_all<S>(self, reqs: S) -> CallAll<Self, S>
where Self: Sized, Self::Error: Into<Error>, S: Stream<Item = Request>,

Process all requests from the given Stream, and produce a Stream of their responses. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.