void rehash( size_type count );
Sets the number of buckets to
count and rehashes the container, i.e. puts the elements into appropriate buckets considering that total number of buckets has changed. If the new number of buckets makes load factor more than maximum load factor (
count < size() / max_load_factor()), then the new number of buckets is at least
size() / max_load_factor().
|count||-||new number of buckets|
Average case linear in the size of the container, worst case quadratic.
rehash(0) may be used to force an unconditional rehash, such as after suspension of automatic rehashing by temporarily increasing
| reserves space for at least the specified number of elements and regenerates the hash table
(public member function)
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