From ba9dede646d6b95bc63f7955a1700744d76d0e28 Mon Sep 17 00:00:00 2001
From: Srar <a1020938070@gmail.com>
Date: Fri, 17 Jul 2020 22:19:30 +0800
Subject: [PATCH] add feature: Get node by pos

---
 hashring.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hashring.go b/hashring.go
index a4921da..6df8cf6 100644
--- a/hashring.go
+++ b/hashring.go
@@ -144,6 +144,13 @@ func (h *HashRing) GetNode(stringKey string) (node string, ok bool) {
 	return h.ring[h.sortedKeys[pos]], true
 }
 
+func (h* HashRing) GetNodeWithPos(pos int) (node string, ok bool) {
+	if pos < 0 || pos >= len(h.sortedKeys) {
+		return "",false
+	}
+	return h.ring[h.sortedKeys[pos]], true
+}
+
 func (h *HashRing) GetNodePos(stringKey string) (pos int, ok bool) {
 	if len(h.ring) == 0 {
 		return 0, false