tower-service

chore: prepare to release tower-0.5.0, tower-layer-0.3.3, tower-servi…

Added

• builder,util: add convenience methods for boxing services (#616)
• all: new functions const when possible (#760)

Added

• docs: Clarify subtlety around cloning and readiness in the
  Service docs (#548)
• docs: Clarify details around shared resource consumption in
  poll_ready() (#662)

Added

• Implement Layer for tuples of up to 16 elements (#694)

• all: new functions const when possible (#760)
• documentation: Clarify subtlety around cloning and readiness in the Service docs. (#622)
• documentation: service: Call inner.poll_ready() in docs when cloning inner (#679)

• Improve example in Service docs. (#510)

• Update to futures 0.3.
• Update documentation for std::future::Future.

• Documentation fixes.

• Switch to std::future::Future

• Change Service's Request associated type to be a generic instead.

  • Before:

    impl Service for Client {
        type Request = HttpRequest;
        type Response = HttpResponse;
        // ...
    }
    

  • After:

    impl Service<HttpRequest> for Client {
        type Response = HttpResponse;
        // ...
    }
    

• Remove NewService, use tower_util::MakeService instead.
• Remove Service::ready and Ready, use tower_util::ServiceExt instead.

• Initial release