Function openSpan

openSpan(
    fn: Function,
    name: string,
    args: readonly unknown[],
    parent: Span | undefined,
): Span
Create a span (start = 0; recorder stamps it). Does NOT notify — finish bookkeeping, then call notifySpanOpen(s).
Parameters
- fn: Function
- name: string
- args: readonly unknown[]
- parent: Span | undefined
Returns Span
- Defined in src/assert/span.ts:72