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
• rng
  PRNG utilities for tower middleware.

Structs

• AndThen
  Service returned by the and_then combinator.
• AndThenLayer
  A Layer that produces a AndThen service.
• BoxCloneService
  A Clone + Send boxed Service.
• BoxCloneServiceLayer
  A Clone + Send boxed Layer.
• 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.