static void Dump <T>(ref RingBufferSelector <T> rb, bool reverse = false)
{
if (reverse)
{
var re = rb.GetReverseEnumerator();
while (re.MoveNext())
{
Console.Write("{0} ", re.Current);
}
}
else
{
foreach (var i in rb)
{
Console.Write("{0} ", i);
}
}
Console.WriteLine("");
}
