rama::layer::limit

Struct Limit

pub struct Limit<S, P, F = ()> { /* private fields */ }
Expand description

Limit requests based on a Policy.

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impl<S, P> Limit<S, P>

pub const fn new(inner: S, policy: P) -> Limit<S, P>

Creates a new Limit from a limit Policy, wrapping the given Service.

pub fn with_error_into_response_fn<F>( self, f: F, ) -> Limit<S, P, ErrorIntoResponseFn<F>>

Attach a function to this Limit to allow you to turn the Policy error into a Result fully compatible with the inner Service Result.

pub fn get_ref(&self) -> &S

Gets a reference to the underlying service.

pub fn into_inner(self) -> S

Consumes self, returning the underlying service.

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impl<T> Limit<T, UnlimitedPolicy>

pub const fn unlimited(inner: T) -> Limit<T, UnlimitedPolicy>

Creates a new Limit with an unlimited policy.

Meaning that all requests are allowed to proceed.

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impl<T, P, F> Clone for Limit<T, P, F>
where T: Clone, P: Clone, F: Clone,

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fn clone(&self) -> Limit<T, P, F>

Returns a duplicate 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, P, F> Debug for Limit<T, P, F>
where T: Debug, P: Debug, F: Debug,

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

Formats the value using the given formatter. Read more
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impl<T, P, Request> Service<Request> for Limit<T, P>
where T: Service<Request>, <T as Service<Request>>::Error: Into<Box<dyn Error + Sync + Send>>, P: Policy<Request>, <P as Policy<Request>>::Error: Into<Box<dyn Error + Sync + Send>>, Request: Send + Sync + 'static,

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

The type of response returned by the service.
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type Error = Box<dyn Error + Sync + Send>

The type of error returned by the service.
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async fn serve( &self, ctx: Context, request: Request, ) -> Result<<Limit<T, P> as Service<Request>>::Response, <Limit<T, P> as Service<Request>>::Error>

Serve a response or error for the given request, using the given context.
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fn boxed(self) -> BoxService<Request, Self::Response, Self::Error>

Box this service to allow for dynamic dispatch.
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impl<T, P, F, Request, FnResponse, FnError> Service<Request> for Limit<T, P, ErrorIntoResponseFn<F>>
where T: Service<Request>, P: Policy<Request>, F: Fn(<P as Policy<Request>>::Error) -> Result<FnResponse, FnError> + Send + Sync + 'static, FnResponse: Into<<T as Service<Request>>::Response> + Send + 'static, FnError: Into<<T as Service<Request>>::Error> + Send + Sync + 'static, Request: Send + Sync + 'static,

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

The type of response returned by the service.
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type Error = <T as Service<Request>>::Error

The type of error returned by the service.
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async fn serve( &self, ctx: Context, request: Request, ) -> Result<<Limit<T, P, ErrorIntoResponseFn<F>> as Service<Request>>::Response, <Limit<T, P, ErrorIntoResponseFn<F>> as Service<Request>>::Error>

Serve a response or error for the given request, using the given context.
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fn boxed(self) -> BoxService<Request, Self::Response, Self::Error>

Box this service to allow for dynamic dispatch.

Auto Trait Implementations§

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impl<S, P, F> Freeze for Limit<S, P, F>
where S: Freeze, P: Freeze, F: Freeze,

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impl<S, P, F> RefUnwindSafe for Limit<S, P, F>
where S: RefUnwindSafe, P: RefUnwindSafe, F: RefUnwindSafe,

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impl<S, P, F> Send for Limit<S, P, F>
where S: Send, P: Send, F: Send,

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impl<S, P, F> Sync for Limit<S, P, F>
where S: Sync, P: Sync, F: Sync,

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impl<S, P, F> Unpin for Limit<S, P, F>
where S: Unpin, P: Unpin, F: Unpin,

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impl<S, P, F> UnwindSafe for Limit<S, P, F>
where S: UnwindSafe, P: UnwindSafe, F: 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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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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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impl<S, Request, Connection> ConnectorService<Request> for S
where S: Service<Request, Response = EstablishedClientConnection<Connection, Request>>, <S as Service<Request>>::Error: Into<Box<dyn Error + Sync + Send>>,

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type Connection = Connection

Connection returned by the ConnectorService
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type Error = <S as Service<Request>>::Error

Error returned in case of connection / setup failure
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fn connect( &self, ctx: Context, req: Request, ) -> impl Future<Output = Result<EstablishedClientConnection<<S as ConnectorService<Request>>::Connection, Request>, <S as ConnectorService<Request>>::Error>> + Send

Establish a connection, which often involves some kind of handshake, or connection revival.
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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> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self> ⓘ

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self> ⓘ

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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impl<S, Body> HttpClientExt for S
where S: Service<Request<Body>, Response = Response<Body>>, <S as Service<Request<Body>>>::Error: Into<Box<dyn Error + Sync + Send>>,

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type ExecuteResponse = Response<Body>

The response type returned by the execute method.
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type ExecuteError = <S as Service<Request<Body>>>::Error

The error type returned by the execute method.
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fn get( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>

Convenience method to make a GET request to a URL. Read more
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fn post( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>

Convenience method to make a POST request to a URL. Read more
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fn put( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>

Convenience method to make a PUT request to a URL. Read more
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fn patch( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>

Convenience method to make a PATCH request to a URL. Read more
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fn delete( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>

Convenience method to make a DELETE request to a URL. Read more
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fn head( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>

Convenience method to make a HEAD request to a URL. Read more
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fn connect( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>

Convenience method to make a CONNECT request to a URL. Read more
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fn request( &self, method: Method, url: impl IntoUrl, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>

Start building a Request with the Method and Url. Read more
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fn build_from_request<RequestBody>( &self, request: Request<RequestBody>, ) -> RequestBuilder<'_, S, <S as HttpClientExt>::ExecuteResponse>
where RequestBody: Into<Body>,

Start building a Request, using the given Request. Read more
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fn execute( &self, ctx: Context, request: Request<Body>, ) -> impl Future<Output = Result<<S as HttpClientExt>::ExecuteResponse, <S as HttpClientExt>::ExecuteError>>

Executes a Request. Read more
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impl<S, Body> HttpClientWebSocketExt<Body> for S
where S: Service<Request<Body>, Response = Response<Body>>, <S as Service<Request<Body>>>::Error: Into<Box<dyn Error + Sync + Send>>,

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fn websocket( &self, url: impl IntoUrl, ) -> WebSocketRequestBuilder<WithService<'_, S, Body>>

Create a new WebSocketRequestBuilder] to be used to establish a WebSocket connection over http/1.1.
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fn websocket_h2( &self, url: impl IntoUrl, ) -> WebSocketRequestBuilder<WithService<'_, S, Body>>

Create a new WebSocketRequestBuilder to be used to establish a WebSocket connection over h2.
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fn websocket_with_request<RequestBody>( &self, req: Request<RequestBody>, ) -> WebSocketRequestBuilder<WithService<'_, S, Body>>
where RequestBody: Into<Body>,

Create a new WebSocketRequestBuilder starting from the given request. Read more
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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<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<S, R> IntoEndpointService<(R,)> for S
where S: Service<Request<Body>, Response = R, Error = Infallible>, R: IntoResponse + Send + Sync + 'static,

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fn into_endpoint_service( self, ) -> impl Service<Request<Body>, Response = Response<Body>, Error = Infallible>

convert the type into a rama_core::Service.
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impl<T> Pointable for T

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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

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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impl<T, U> RamaInto<U> for T
where U: RamaFrom<T>,

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fn rama_into(self) -> U

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impl<T, U> RamaInto<U> for T
where U: RamaFrom<T>,

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fn rama_into(self) -> U

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impl<T, U> RamaTryInto<U> for T
where U: RamaTryFrom<T>,

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

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fn rama_try_into(self) -> Result<U, <U as RamaTryFrom<T>>::Error>

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impl<T, U> RamaTryInto<U> for T
where U: RamaTryFrom<T>,

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

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fn rama_try_into(self) -> Result<U, <U as RamaTryFrom<T>>::Error>

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impl<S, RequestIn, RequestOut> RequestInspector<RequestIn> for S
where S: Service<RequestIn, Response = (Context, RequestOut)>, RequestIn: Send + 'static, RequestOut: Send + 'static,

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type Error = <S as Service<RequestIn>>::Error

The type of error returned by the service.
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type RequestOut = RequestOut

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fn inspect_request( &self, ctx: Context, req: RequestIn, ) -> impl Future<Output = Result<(Context, <S as RequestInspector<RequestIn>>::RequestOut), <S as RequestInspector<RequestIn>>::Error>> + Send

Inspect the request, modify it if needed or desired, and return it.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<S, Socket> SocketService for S
where S: Service<Interface, Response = (Socket, Context)>, <S as Service<Interface>>::Error: Into<Box<dyn Error + Sync + Send>> + Send + 'static, Socket: Send + 'static,

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type Socket = Socket

Socket returned by the SocketService
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type Error = <S as Service<Interface>>::Error

Error returned in case of connection / setup failure
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fn bind( &self, ctx: Context, interface: impl Into<Interface>, ) -> impl Future<Output = Result<(<S as SocketService>::Socket, Context), <S as SocketService>::Error>> + Send

Create a binding to a Unix/Linux/Windows socket.
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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<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> ErasedDestructor for T
where T: 'static,