Function currentSpanFromFiber

packages/effect/src/internal/core.ts:3136–3139

(fiber: Fiber.RuntimeFiber<A, E>)

/** @internal */
export const currentSpanFromFiber = <A, E>(fiber: Fiber.RuntimeFiber<A, E>): Option.Option<Tracer.Span> => {
  const span = fiber.currentSpan
  return span !== undefined && span._tag === "Span" ? Option.some(span) : Option.none()
}

const NoopSpanProto: Omit<Tracer.Span, "parent" | "name" | "context"> = {
  _tag: "Span",