Return a past-the-end local iterator for bucket index.
Return a local iterator providing modifiable access to the past-the-end position in the sequence of value_type objects of the bucket having the specified index in the array of buckets maintained by this unordered map. The behavior is undefined unless `index < bucket_count()`.
past-the-end local iterator for the bucket
| Name | Description |
|---|---|
| index | bucket index |