private void ReSize()
{
var newBucket = new List <int> [2 * bucket.Length];
foreach (var list in bucket)
{
for (int i = 0; i < list.Size; ++i)
{
int hash = Math.Abs(hashing.HashFunction(i)) % newBucket.Length;
newBucket[hash].PushToPosition(0, hash);
}
}
bucket = newBucket;
}