Struct axum::middleware::FromFn

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pub struct FromFn<F, S, I, T> { /* private fields */ }
Expand description

A middleware created from an async function.

Created with from_fn. See that function for more details.

Trait Implementations§

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impl<F, S, I, T> Clone for FromFn<F, S, I, T>
where F: Clone, I: Clone, S: Clone,

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fn clone(&self) -> Self

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<F, S, I, T> Debug for FromFn<F, S, I, T>
where S: Debug, I: Debug,

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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<F, Fut, Out, S, I, T1> Service<Request<Body>> for FromFn<F, S, I, (T1,)>
where F: FnMut(T1, Next) -> Fut + Clone + Send + 'static, T1: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2> Service<Request<Body>> for FromFn<F, S, I, (T1, T2)>
where F: FnMut(T1, T2, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3)>
where F: FnMut(T1, T2, T3, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4)>
where F: FnMut(T1, T2, T3, T4, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5)>
where F: FnMut(T1, T2, T3, T4, T5, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6)>
where F: FnMut(T1, T2, T3, T4, T5, T6, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, T9, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequestParts<S> + Send, T9: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequestParts<S> + Send, T9: FromRequestParts<S> + Send, T10: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequestParts<S> + Send, T9: FromRequestParts<S> + Send, T10: FromRequestParts<S> + Send, T11: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequestParts<S> + Send, T9: FromRequestParts<S> + Send, T10: FromRequestParts<S> + Send, T11: FromRequestParts<S> + Send, T12: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequestParts<S> + Send, T9: FromRequestParts<S> + Send, T10: FromRequestParts<S> + Send, T11: FromRequestParts<S> + Send, T12: FromRequestParts<S> + Send, T13: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequestParts<S> + Send, T9: FromRequestParts<S> + Send, T10: FromRequestParts<S> + Send, T11: FromRequestParts<S> + Send, T12: FromRequestParts<S> + Send, T13: FromRequestParts<S> + Send, T14: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequestParts<S> + Send, T9: FromRequestParts<S> + Send, T10: FromRequestParts<S> + Send, T11: FromRequestParts<S> + Send, T12: FromRequestParts<S> + Send, T13: FromRequestParts<S> + Send, T14: FromRequestParts<S> + Send, T15: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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<F, Fut, Out, S, I, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> Service<Request<Body>> for FromFn<F, S, I, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16)>
where F: FnMut(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, Next) -> Fut + Clone + Send + 'static, T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, T6: FromRequestParts<S> + Send, T7: FromRequestParts<S> + Send, T8: FromRequestParts<S> + Send, T9: FromRequestParts<S> + Send, T10: FromRequestParts<S> + Send, T11: FromRequestParts<S> + Send, T12: FromRequestParts<S> + Send, T13: FromRequestParts<S> + Send, T14: FromRequestParts<S> + Send, T15: FromRequestParts<S> + Send, T16: FromRequest<S> + Send, Fut: Future<Output = Out> + Send + 'static, Out: IntoResponse + 'static, I: Service<Request, Error = Infallible> + Clone + Send + 'static, I::Response: IntoResponse, I::Future: Send + 'static, S: Clone + Send + Sync + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = ResponseFuture

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

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

Auto Trait Implementations§

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impl<F, S, I, T> Freeze for FromFn<F, S, I, T>
where F: Freeze, I: Freeze, S: Freeze,

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impl<F, S, I, T> RefUnwindSafe for FromFn<F, S, I, T>
where F: RefUnwindSafe, I: RefUnwindSafe, S: RefUnwindSafe,

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impl<F, S, I, T> Send for FromFn<F, S, I, T>
where F: Send, I: Send, S: Send,

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impl<F, S, I, T> Sync for FromFn<F, S, I, T>
where F: Sync, I: Sync, S: Sync,

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impl<F, S, I, T> Unpin for FromFn<F, S, I, T>
where F: Unpin, I: Unpin, S: Unpin,

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impl<F, S, I, T> UnwindSafe for FromFn<F, S, I, T>
where F: UnwindSafe, I: UnwindSafe, S: UnwindSafe,

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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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default 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> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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<M, S, Target, Request> MakeService<Target, Request> for M
where M: Service<Target, Response = S>, S: Service<Request>,

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type Response = <S as Service<Request>>::Response

Responses given by the service
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type Error = <S as Service<Request>>::Error

Errors produced by the service
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type Service = S

The Service value created by this factory
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type MakeError = <M as Service<Target>>::Error

Errors produced while building a service.
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type Future = <M as Service<Target>>::Future

The future of the Service instance.
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fn poll_ready( &mut self, cx: &mut Context<'_>, ) -> Poll<Result<(), <M as MakeService<Target, Request>>::MakeError>>

Returns Poll::Ready when the factory is able to create more services. Read more
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fn make_service( &mut self, target: Target, ) -> <M as MakeService<Target, Request>>::Future

Create and return a new service value asynchronously.
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fn into_service(self) -> IntoService<Self, Request>
where Self: Sized,

Consume this MakeService and convert it into a Service. Read more
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fn as_service(&mut self) -> AsService<'_, Self, Request>
where Self: Sized,

Convert this MakeService into a Service without consuming the original MakeService. Read more
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impl<S, R> ServiceExt<R> for S
where S: Service<R>,

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fn into_make_service(self) -> IntoMakeService<S>

Convert this service into a MakeService, that is a Service whose response is another service. Read more
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fn into_make_service_with_connect_info<C>( self, ) -> IntoMakeServiceWithConnectInfo<S, C>

Convert this service into a MakeService, that will store C’s associated ConnectInfo in a request extension such that ConnectInfo can extract it. Read more
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fn handle_error<F, T>(self, f: F) -> HandleError<Self, F, T>

Convert this service into a HandleError, that will handle errors by converting them into responses. Read more
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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,

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 it with the provided request once it is ready.
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fn call_all<S>(self, reqs: S) -> CallAll<Self, S>
where Self: Sized, S: Stream<Item = Request>,

Process all requests from the given Stream, and produce a Stream of their responses. Read more
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fn and_then<F>(self, f: F) -> AndThen<Self, F>
where Self: Sized, F: Clone,

Executes a new future after this service’s future resolves. This does not alter the behaviour of the poll_ready method. Read more
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fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F>
where Self: Sized, F: FnOnce(Self::Response) -> Response + Clone,

Maps this service’s response value to a different value. This does not alter the behaviour of the poll_ready method. Read more
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fn map_err<F, Error>(self, f: F) -> MapErr<Self, F>
where Self: Sized, F: FnOnce(Self::Error) -> Error + Clone,

Maps this service’s error value to a different value. This does not alter the behaviour of the poll_ready method. Read more
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fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F>
where Self: Sized, Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Result<Response, Error> + Clone,

Maps this service’s result type (Result<Self::Response, Self::Error>) to a different value, regardless of whether the future succeeds or fails. Read more
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fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F>
where Self: Sized, F: FnMut(NewRequest) -> Request,

Composes a function in front of the service. Read more
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fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F>
where Self: Sized, Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Fut + Clone, Fut: Future<Output = Result<Response, Error>>,

Composes an asynchronous function after this service. Read more
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fn map_future<F, Fut, Response, Error>(self, f: F) -> MapFuture<Self, F>
where Self: Sized, F: FnMut(Self::Future) -> Fut, Error: From<Self::Error>, Fut: Future<Output = Result<Response, Error>>,

Composes a function that transforms futures produced by the service. Read more
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fn boxed(self) -> BoxService<Request, Self::Response, Self::Error>
where Self: Sized + Send + 'static, Self::Future: Send + 'static,

Convert the service into a Service + Send trait object. Read more
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fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error>
where Self: Sized + Clone + Send + 'static, Self::Future: Send + 'static,

Convert the service into a Service + Clone + Send trait object. 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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more