* Retrieves the size of the queue, which is equal to the number of elements * in the queue. This may be negative if fibers are suspended waiting for * elements to be added to the queue. Returns None if shutdown has been called
()
| 210 | * elements to be added to the queue. Returns None if shutdown has been called |
| 211 | */ |
| 212 | unsafeSize(): Option.Option<number> |
| 213 | |
| 214 | /** |
| 215 | * Returns `true` if the `Queue` contains at least one element, `false` |
no outgoing calls