pub fn apply_fn_factory<T, Req, Cfg, F, R, In, Out, Err, U>(
    service: U,
    f: F
) -> ApplyFactory<T, Req, Cfg, F, R, In, Out, Err>
where T: ServiceFactory<Req, Cfg>, F: Fn(In, Pipeline<T::Service>) -> R + Clone, R: Future<Output = Result<Out, Err>>, U: IntoServiceFactory<T, Req, Cfg>, Err: From<T::Error>,
Expand description

Service factory that produces apply_fn service.