void rehash( size_type n = 0 ); If n > 0, sets the number of buckets to the value that is not less than n.
void rehash( size_type n = 0 );
If n > 0, sets the number of buckets to the value that is not less than n.
n > 0
n
size_type bucket_count() const; Returns: the number of buckets in the container.
size_type bucket_count() const;
Returns: the number of buckets in the container.