use rustracing::sampler::AllSampler;
use rustracing_jaeger::Tracer;
use rustracing_jaeger::reporter::JaegerCompactReporter;

let (tracer, span_rx) = Tracer::new(AllSampler);
{
    let span = tracer.span("sample_op").start();
    // Do something

} // The dropped span will be sent to `span_rx`

let span = span_rx.try_recv().unwrap();
assert_eq!(span.operation_name(), "sample_op");

// Reports this span to the local jaeger agent
let reporter = JaegerCompactReporter::new("sample_service").unwrap();
reporter.report(&[span]).unwrap();