test

examples/examples/fmt.rs

@@ -1,21 +1,30 @@
 #![deny(rust_2018_idioms)]
+
+use tracing_core::Subscriber;
+use tracing_subscriber::{prelude::__tracing_subscriber_SubscriberExt, util::SubscriberInitExt};
 #[path = "fmt/yak_shave.rs"]
 mod yak_shave;
 
 fn main() {
-    tracing_subscriber::fmt()
-        // enable everything
-        .with_max_level(tracing::Level::TRACE)
-        // sets this to be the default, global subscriber for this application.
+    tracing_subscriber::Registry::default()
+        .with(tracing_subscriber::fmt::layer().json())
+        .with(TransparentSubscriber)
         .init();
 
-    let number_of_yaks = 3;
-    // this creates a new event, outside of any spans.
-    tracing::info!(number_of_yaks, "preparing to shave yaks");
+    tracing::info!("yak shaving started");
+    tracing::info!(name: "test", "yak shaving completed");
+    let guard = tracing::info_span!("test").entered();
+    tracing::info!(name: "test", "yak shaving completed");
+}
+
+struct TransparentSubscriber;
 
-    let number_shaved = yak_shave::shave_all(number_of_yaks);
-    tracing::info!(
-        all_yaks_shaved = number_shaved == number_of_yaks,
-        "yak shaving completed."
-    );
+impl<S: Subscriber> tracing_subscriber::Layer<S> for TransparentSubscriber {
+    fn on_event(
+        &self,
+        event: &tracing_core::Event<'_>,
+        ctx: tracing_subscriber::layer::Context<'_, S>,
+    ) {
+        println!("# {}", event.metadata().name());
+    }
 }

tracing-subscriber/src/fmt/format/json.rs

@@ -247,6 +247,8 @@ where
             if self.display_level {
                 serializer.serialize_entry("level", &meta.level().as_serde())?;
             }
+            serializer.serialize_entry("name", &meta.name())?;
+            //println!("heyho, got the name here: {}", meta.name());
 
             let format_field_marker: std::marker::PhantomData<N> = std::marker::PhantomData;
 

tracing-subscriber/src/fmt/format/mod.rs

@@ -937,6 +937,8 @@ where
             };
             write!(writer, "{} ", fmt_level)?;
         }
+        write!(writer, ", name: {} ", meta.name())?;
+        println!("heyho, got the name here: {}", meta.name());
 
         if self.display_thread_name {
             let current_thread = std::thread::current();