Module tower_async::util

Available on crate feature util only.

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

Modules

• backoff
  This module contains generic backoff utilities to be used with the retry and limit layers.
• rng
  PRNG utilities for tower middleware.

Structs

• AndThen
  Service returned by the and_then combinator.
• AndThenLayer
  A Layer that produces a AndThen service.
• MapErr
  Service returned by the map_err combinator.
• MapErrLayer
  A Layer that produces MapErr services.
• 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.
• ServiceFn
  A Service implemented by a closure.
• Then
  Service returned by the then combinator.
• ThenLayer
  A Layer that produces a Then service.

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

• option_layer
  Convert an Option<Layer> into a Layer.
• service_fn
  Returns a new ServiceFn with the given closure.