10 pub struct Service<S, R, G = fn(&R) -> tracing::Span>  struct
15     get_span: G,
16     inner: S,
17     _p: PhantomData<fn(R)>,
54         type Service = Service<S, R, G>;  typedef
56         fn layer(&self, service: S) -> Self::Service {  in layer()
133         type Service = MakeService<S, R, G>;  typedef
135         fn layer(&self, inner: S) -> Self::Service {  in layer()
233 impl<S, R, G> tower_service::Service<R> for Service<S, R, G>  implementation
253 impl<S, R, G> Clone for Service<S, R, G>  implementation
267 impl<S, R, G> Service<S, R, G>  implementation