Module tower::util

Available on crate feature util only.

Various utility types and functions that are generally used with Tower.

Modules

error

Error types

future

Future types

Structs

AndThen

Service returned by the and_then combinator.

AndThenLayer

A Layer that produces a AndThen service.

BoxCloneService

A Clone + Send boxed Service.

BoxLayer

A boxed Layer trait object.

BoxService

A boxed Service + Send trait object.

CallAll

This is a Stream of responses resulting from calling the wrapped Service for each request received on the wrapped Stream.

CallAllUnordered

A stream of responses received from the inner service in received order.

FutureService

A type that implements Service for a Future that produces a Service.

MapErr

Service returned by the map_err combinator.

MapErrLayer

A Layer that produces MapErr services.

MapFuture

Service returned by the map_future combinator.

MapFutureLayer

A Layer that produces a MapFuture service.

MapRequest

Service returned by the MapRequest combinator.

MapRequestLayer

A Layer that produces MapRequest services.

MapResponse

Service returned by the map_response combinator.

MapResponseLayer

A Layer that produces a MapResponse service.

MapResult

Service returned by the map_result combinator.

MapResultLayer

A Layer that produces a MapResult service.

Oneshot

A Future consuming a Service and request, waiting until the Service is ready, and then calling Service::call with the request, and waiting for that Future.

Optional

Optionally forwards requests to an inner service.

Ready

A future that yields a mutable reference to the service when it is ready to accept a request.

ReadyOneshot

A Future that yields the service when it is ready to accept a request.

ServiceFn

A Service implemented by a closure.

Then

Service returned by the then combinator.

ThenLayer

A Layer that produces a Then service.

UnsyncBoxService

A boxed Service trait object.

Enums

Either

Combine two different service types into a single type.

Traits

ServiceExt

An extension trait for Services that provides a variety of convenient adapters

Functions

future_service

Returns a new FutureService for the given future.

option_layer

Convert an Option<Layer> into a Layer.

service_fn

Returns a new ServiceFn with the given closure.

Type Definitions

ReadyAndDeprecated

A future that yields a mutable reference to the service when it is ready to accept a request.