🛈 Note: This is pre-release documentation for the upcoming tracing 0.2.0 ecosystem.

For the release documentation, please see docs.rs, instead.

tracing_tower::service_span

Function layer

Source 
pub fn layer<S, R, G>(get_span: G) -> Layer<S, R, G>
where
    G: GetSpan<S>,
    S: Service<R>,
Available on crate feature tower-layer only.