TaskClass.yieldMany<T, E>(tasks: readonly TaskClass<T, E>[],timeoutMs?: number): Promise<(Result<T, E> | null)[]>
Elixir's Task.yield_many/2: polls every task under one shared window — each slot is
the task's Result if it settled in time, null if still running. Nothing is consumed.
const fast = Task(() => 1); const never = Task<number>(() => new Promise<never>(() => {})); await Task.yieldMany([fast, never], 20); // [1, null] — bare Result | null per slot