Function span

packages/platform/node/test/NodeHttpServer.test.ts:405–414

(options)

          Tracer.Tracer,
          Tracer.make({
            span(options) {
              assert.strictEqual(options.name, "http.client GET")
              assert.strictEqual(options.kind, "client")
              assert(options.parent._tag === "Some")
              if (options.parent.value._tag !== "Span") {
                throw new Error("Expected span parent")
              }
              assert.strictEqual(options.parent.value.name, "request parent")
              return requestSpan
            }
          })
        ),
        Effect.withSpan("request parent"),