internal static void SwapContents(Owned a, Owned b)
{
a.EnsureNotDisposed();
b.EnsureNotDisposed();
IMemoryOwner <T>[] tempOwners = a.memoryOwners;
long tempTotalLength = a.TotalLength;
int tempBufferLength = a.BufferLength;
a.memoryOwners = b.memoryOwners;
a.TotalLength = b.TotalLength;
a.BufferLength = b.BufferLength;
b.memoryOwners = tempOwners;
b.TotalLength = tempTotalLength;
b.BufferLength = tempBufferLength;
a.View.Invalidate();
b.View.Invalidate();
a.View = new MemoryGroupView <T>(a);
b.View = new MemoryGroupView <T>(b);
}