public AllocatedList(ListAllocator <T> allocator, int capacity)
{
this.allocator = allocator;
ArraySegment <T> allocation = allocator.Allocate(capacity);
this.array = allocation.Array;
this.offset = allocation.Offset;
this.capacity = capacity;
this.count = 0;
this.comparer = EqualityComparer <T> .Default;
}
private void IncreaseCapacity(int additionalCapacity)
{
int newCapacity = (count + additionalCapacity) * 2;
ArraySegment <T> allocation = allocator.Allocate(newCapacity);
T[] newArray = allocation.Array;
int newOffset = allocation.Offset;
Array.Copy(array, offset, newArray, newOffset, count);
array = newArray;
offset = newOffset;
capacity = newCapacity;
}