deno/tests/specs/cli/otel_basic/start_active_span.ts

// Copyright 2018-2025 the Deno authors. MIT license.

import { trace } from "npm:@opentelemetry/api@1.9.0";

const tracer = trace.getTracer("example-tracer");

tracer.startActiveSpan("top level span", (span) => {
  span.end();
});
tracer.startActiveSpan("root span", { root: true }, (span) => {
  span.end();
});