Module layers

Represents middleware offered through tower

Modules

• extensions
  Extension data for tasks.

Structs

• AckLayer
  A layer that acknowledges a job completed successfully
• AckService
  The underlying service for an AckLayer
• BoxCloneService
  A Clone + Send boxed Service.
• CommonLayer
  A generic layer that has been stripped off types. This is returned by a [crate::Backend] and can be used to customize the middleware of the service consuming tasks
• Identity
  A no-op middleware.
• ServiceBuilder
  Declaratively construct Service values.

Traits

• Ack
  A trait for acknowledging successful processing This trait is called even when a task fails. This is a way of a [Backend] to save the result of a job or message
• Layer
  Decorates a Service, transforming either the request or the response.
• Service
  An asynchronous function from a Request to a Response.

Functions

• layer_fn
  Returns a new LayerFn that implements Layer by calling the given function.