From d0c3dc25bee3d578f2c784962f1b1962584a4a67 Mon Sep 17 00:00:00 2001
From: sunzhongyuan <sunzhongyuan@lvwan.com>
Date: Fri, 11 May 2018 18:02:16 +0800
Subject: [PATCH] issues 3: move delete inside of if statement

---
 src/basic/map1/omap.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/basic/map1/omap.go b/src/basic/map1/omap.go
index b01aad6..07f4c2c 100644
--- a/src/basic/map1/omap.go
+++ b/src/basic/map1/omap.go
@@ -55,8 +55,8 @@ func (omap *myOrderedMap) Put(key interface{}, elem interface{}) (interface{}, b
 
 func (omap *myOrderedMap) Remove(key interface{}) interface{} {
 	oldElem, ok := omap.m[key]
-	delete(omap.m, key)
 	if ok {
+		delete(omap.m, key)
 		omap.keys.Remove(key)
 	}
 	return oldElem