Change the capacity of this map to at least the specified minimumCapacity, and redistribute all the contained elements into a new sequence of entries according to their hash values. If 0 == minimumCapacity and 0 == size(), the map is returned to the default constructed state. After this call, load_factor() will be less than or equal to max_load_factor() and all iterators, pointers, and references to elements of this map are invalidated.
Declared in <bdlc_flathashmap.h>
void
rehash(std::size_t minimumCapacity);