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RelayTransport

tempo_alloy::transport

Struct RelayTransport 

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pub struct RelayTransport<D, R> {
    default: D,
    relay: R,
    mode: SponsorshipMode,
    forward_sponsor_request_headers: bool,
}
Expand description

A Tempo transport that routes sponsored eth_sendRawTransaction requests.

Single eth_sendRawTransaction and eth_sendRawTransactionSync requests are validated as unsigned Tempo AA transactions. In SponsorshipMode::SignAndRelay they are forwarded to the sponsor relay. In SponsorshipMode::SignOnly the sponsor returns a fee-payer signed raw transaction which is then broadcast through the default transport using the original submission method. All other RPC methods go directly to the default transport. Batched requests containing raw transaction submissions are rejected; use Tempo AA native batching instead.

Derived requests preserve the original JSON-RPC id. Sign-and-relay can forward original headers to the sponsor; sign-only keeps sponsor signing isolated and preserves original headers only for the final default-RPC broadcast. Advanced users can pass customized transports or connectors for auth, middleware, retry policy, proxies, or dynamic headers.

The relay transport MUST point to a sponsor service.

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§default: D§relay: R§mode: SponsorshipMode§forward_sponsor_request_headers: bool

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impl<D, R> RelayTransport<D, R>

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pub fn new(default: D, relay: R) -> Self

Create a new Tempo relay transport.

default and relay may be customized transports, including auth headers or middleware.

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pub fn with_config( default: D, relay: R, mode: SponsorshipMode, forward_sponsor_request_headers: bool, ) -> Self

Create a new Tempo relay transport with explicit mode and sponsor header forwarding.

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impl<D, R> RelayTransport<D, R>

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async fn handle_sponsored_send_raw_transaction( &mut self, request: SerializedRequest, ) -> Result<ResponsePacket, TransportError>
where D: RpcService, R: RpcService,

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impl<D: Clone, R: Clone> Clone for RelayTransport<D, R>

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fn clone(&self) -> RelayTransport<D, R>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<D: Debug, R: Debug> Debug for RelayTransport<D, R>

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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<D, R> Service<RequestPacket> for RelayTransport<D, R>
where D: RpcService + Clone + Sync, R: RpcService + Clone + Sync,

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type Response = ResponsePacket

Responses given by the service.
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type Error = RpcError<TransportErrorKind>

Errors produced by the service.
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type Future = Pin<Box<dyn Future<Output = Result<ResponsePacket, RpcError<TransportErrorKind>>> + Send>>

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, request: RequestPacket) -> Self::Future

Process the request and return the response asynchronously. Read more

Auto Trait Implementations§

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impl<D, R> Freeze for RelayTransport<D, R>
where D: Freeze, R: Freeze,

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impl<D, R> RefUnwindSafe for RelayTransport<D, R>
where D: RefUnwindSafe, R: RefUnwindSafe,

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impl<D, R> Send for RelayTransport<D, R>
where D: Send, R: Send,

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impl<D, R> Sync for RelayTransport<D, R>
where D: Sync, R: Sync,

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impl<D, R> Unpin for RelayTransport<D, R>
where D: Unpin, R: Unpin,

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impl<D, R> UnsafeUnpin for RelayTransport<D, R>
where D: UnsafeUnpin, R: UnsafeUnpin,

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impl<D, R> UnwindSafe for RelayTransport<D, R>
where D: UnwindSafe, R: 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, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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where Self: Octal,

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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. 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<TxEnv, T> FromRecoveredTx<&T> for TxEnv
where TxEnv: FromRecoveredTx<T>,

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fn from_recovered_tx(tx: &&T, sender: Address) -> TxEnv

Builds a [TxEnv] from a transaction and a sender address.
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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<TxEnv, T> FromTxWithEncoded<&T> for TxEnv
where TxEnv: FromTxWithEncoded<T>,

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fn from_encoded_tx(tx: &&T, sender: Address, encoded: Bytes) -> TxEnv

Builds a [TxEnv] from a transaction, its sender, and encoded transaction bytes.
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impl<T> FutureExt for T

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Boxes the transport.
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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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impl<T> PolicyExt for T
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type Output = T

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fn propagate_header(self, header: HeaderName) -> PropagateHeader<Self>
where Self: Sized,

Available on crate feature propagate-header only.
Propagate a header from the request to the response. Read more
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fn add_extension<T>(self, value: T) -> AddExtension<Self, T>
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Available on crate feature add-extension only.
Add some shareable value to request extensions. Read more
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fn map_request_body<F>(self, f: F) -> MapRequestBody<Self, F>
where Self: Sized,

Available on crate feature map-request-body only.
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fn map_response_body<F>(self, f: F) -> MapResponseBody<Self, F>
where Self: Sized,

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fn compression(self) -> Compression<Self>
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Available on crate features compression-br or compression-deflate or compression-gzip or compression-zstd only.
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where Self: Sized,

Available on crate feature trace only.
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where Self: Sized,

Available on crate feature follow-redirect only.
Follow redirect resposes using the Standard policy. Read more
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fn sensitive_headers( self, headers: impl IntoIterator<Item = HeaderName>, ) -> SetSensitiveRequestHeaders<SetSensitiveResponseHeaders<Self>>
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Available on crate feature sensitive-headers only.
Mark headers as sensitive on both requests and responses. Read more
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fn sensitive_request_headers( self, headers: impl IntoIterator<Item = HeaderName>, ) -> SetSensitiveRequestHeaders<Self>
where Self: Sized,

Available on crate feature sensitive-headers only.
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fn override_request_header<M>( self, header_name: HeaderName, make: M, ) -> SetRequestHeader<Self, M>
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fn append_request_header<M>( self, header_name: HeaderName, make: M, ) -> SetRequestHeader<Self, M>
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fn insert_request_header_if_not_present<M>( self, header_name: HeaderName, make: M, ) -> SetRequestHeader<Self, M>
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fn override_response_header<M>( self, header_name: HeaderName, make: M, ) -> SetResponseHeader<Self, M>
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fn append_response_header<M>( self, header_name: HeaderName, make: M, ) -> SetResponseHeader<Self, M>
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fn set_request_id<M>( self, header_name: HeaderName, make_request_id: M, ) -> SetRequestId<Self, M>
where Self: Sized, M: MakeRequestId,

Available on crate feature request-id only.
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fn set_x_request_id<M>(self, make_request_id: M) -> SetRequestId<Self, M>
where Self: Sized, M: MakeRequestId,

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fn propagate_request_id( self, header_name: HeaderName, ) -> PropagateRequestId<Self>
where Self: Sized,

Available on crate feature request-id only.
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fn propagate_x_request_id(self) -> PropagateRequestId<Self>
where Self: Sized,

Available on crate feature request-id only.
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fn catch_panic(self) -> CatchPanic<Self, DefaultResponseForPanic>
where Self: Sized,

Available on crate feature catch-panic only.
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fn request_body_limit(self, limit: usize) -> RequestBodyLimit<Self>
where Self: Sized,

Available on crate feature limit only.
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impl<S, R> ServiceExt<R> for S
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fn into_make_service(self) -> IntoMakeService<S>

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fn into_make_service_with_connect_info<C>( self, ) -> IntoMakeServiceWithConnectInfo<S, C>

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fn handle_error<F, T>(self, f: F) -> HandleError<Self, F, T>

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impl<T, Request> ServiceExt<Request> for T
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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>
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fn oneshot(self, req: Request) -> Oneshot<Self, Request>
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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,

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fn map_err<F, Error>(self, f: F) -> MapErr<Self, F>
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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,

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fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F>
where Self: Sized, F: FnMut(NewRequest) -> Request,

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fn filter<F, NewRequest>(self, filter: F) -> Filter<Self, F>
where Self: Sized, F: Predicate<NewRequest>,

Available on crate feature filter only.
Composes this service with a Filter that conditionally accepts or rejects requests based on a predicate. Read more
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fn filter_async<F, NewRequest>(self, filter: F) -> AsyncFilter<Self, F>
where Self: Sized, F: AsyncPredicate<NewRequest>,

Available on crate feature filter only.
Composes this service with an AsyncFilter that conditionally accepts or rejects requests based on an [async predicate]. 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>>,

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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,

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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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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> Transport for T
where T: Service<RequestPacket, Response = ResponsePacket, Error = RpcError<TransportErrorKind>, Future = Pin<Box<dyn Future<Output = Result<ResponsePacket, RpcError<TransportErrorKind>>> + Send>>> + Send + Sync + 'static,

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fn boxed(self) -> BoxTransport
where Self: IntoBoxTransport,

Convert this transport into a boxed trait object.
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fn as_boxed(&self) -> BoxTransport
where Self: IntoBoxTransport,

Make a boxed trait object by cloning this transport.
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impl<T> TryClone for T
where T: Clone,

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fn try_clone(&self) -> Result<T, Error>

Clones self, possibly returning an error.
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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
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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

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.