From 71ddeb477272854043b45203a89dfdc7c7c53b46 Mon Sep 17 00:00:00 2001
From: HuangJiaLuo <1820799930@qq.com>
Date: Mon, 4 Oct 2021 16:25:09 +0800
Subject: [PATCH] perf(lru): add the sync.Once to define

---
 pkg/lru/define.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkg/lru/define.go b/pkg/lru/define.go
index 2e7653a..a2da432 100644
--- a/pkg/lru/define.go
+++ b/pkg/lru/define.go
@@ -1,10 +1,16 @@
 package lru
 
+import "sync"
+
 type SingleWorkFunc func() interface{}
 
 const (
 	OpEventName  = "operateEvent"
 	CleEventName = "clearEvent"
-
-	WorkFuncEventCtxKey = "workFunc"
+	WorkFuncEventKey = "workFunc"
+)
+
+var (
+	lruCacheOnce sync.Once
+	lruCache *singleCache
 )