HASHMAP_RESIZE_BITS   74 hashmap.c      		map->shrink_at = map->grow_at / ((1 << HASHMAP_RESIZE_BITS) + 1);
HASHMAP_RESIZE_BITS  134 hashmap.c      		size <<= HASHMAP_RESIZE_BITS;
HASHMAP_RESIZE_BITS  178 hashmap.c      		rehash(map, map->tablesize << HASHMAP_RESIZE_BITS);
HASHMAP_RESIZE_BITS  196 hashmap.c      		rehash(map, map->tablesize >> HASHMAP_RESIZE_BITS);