func (h *hmnodeSeq) Count() int { return sequtil.SeqCount(h) }
func (t *tmNodeSeq) Count() int { if t.cnt < 0 { return sequtil.SeqCount(t) } return t.cnt }
func (a *arrayHmnodeSeq) Count() int { return sequtil.SeqCount(a) }
func (c *chunkedSeq) Count() int { return sequtil.SeqCount(c) }