Method Less

node.go:536–538

(i, j int)

func (s nodes) Len() int      { return len(s) }
func (s nodes) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s nodes) Less(i, j int) bool {
	return bytes.Compare(s[i].inodes[0].Key(), s[j].inodes[0].Key()) == -1
}