From 913e2f042b08d0de98b0fedc63e2bb979d7a7828 Mon Sep 17 00:00:00 2001
From: markcheney1 <1983580246@qq.com>
Date: Wed, 17 May 2017 20:14:58 -0500
Subject: [PATCH] modify reason: Unresolved reference 'err' (#352)

---
 eBook/13.5.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/eBook/13.5.md b/eBook/13.5.md
index b60b4c9..7d6fb89 100644
--- a/eBook/13.5.md
+++ b/eBook/13.5.md
@@ -34,7 +34,7 @@ func check(err error) { if err != nil { panic(err) } }
 func errorHandler(fn fType1) fType1 {
 	return func(a type1, b type2) {
 		defer func() {
-			if e, ok := recover().(error); ok {
+			if err, ok := recover().(error); ok {
 				log.Printf(“run time panic: %v”, err)
 			}
 		}()