code: func (tp *BytePool) entries() uint {
  	var s uint
  	for o := 0; o < len(tp.list_of_pools); o++ {
  		p := &tp.list_of_pools[o]
  		p.mu.Lock()
  		s += uint(len(p.list))
  		p.mu.Unlock()
  	}
  	return s
  }
docs: // Get number of entries, for debugging