pub fn apply_fn_factory<I, SF, F, Fut, Req, In, Res, Err>(
    service: I,
    f: F
) -> ApplyFactory<SF, F, Req, In, Res, Err>
where I: IntoServiceFactory<SF, In>, SF: ServiceFactory<In, Error = Err>, F: Fn(Req, &SF::Service) -> Fut + Clone, Fut: Future<Output = Result<Res, Err>>,
Expand description

Service factory that produces apply_fn service.

The In and Out type params refer to the request and response types for the wrapped service.