vendor/tracing-subscriber-0.3.3/tests/registry_with_subscriber.rs

   1 #![cfg(feature = "registry")]
   2 use tracing_futures::{Instrument, WithSubscriber};
   3 use tracing_subscriber::prelude::*;
   4
   5 #[tokio::test]
   6 async fn future_with_subscriber() {
   7     let _default = tracing_subscriber::registry().init();
   8     let span = tracing::info_span!("foo");
   9     let _e = span.enter();
  10     let span = tracing::info_span!("bar");
  11     let _e = span.enter();
  12     tokio::spawn(
  13         async {
  14             async {
  15                 let span = tracing::Span::current();
  16                 println!("{:?}", span);
  17             }
  18             .instrument(tracing::info_span!("hi"))
  19             .await
  20         }
  21         .with_subscriber(tracing_subscriber::registry()),
  22     )
  23     .await
  24     .unwrap();
  25 }