Recreate this hash map to one having at least the specified numBuckets. This operation is a no-op if any of the following are true: 1) rehash is disabled; 2) numBuckets less or equals the current number of buckets. See {Rehash}.
Declared in <bdlcc_stripedunorderedcontainerimpl.h>
void
rehash(std::size_t numBuckets);