void Initialize(int capacity)
{
var prime = SizingHelper.GetSizingPrime(capacity);
_buckets = new int[prime];
for (var index = 0; index < _buckets.Length; ++index)
{
_buckets[index] = -1;
}
_entries = new Entry[prime];
_freeList = -1;
}
void Resize()
{
Resize(SizingHelper.NextSizingPrime(_count));
}