From 120a52c184e43f4abdb79135111a8d9a81d6d2e4 Mon Sep 17 00:00:00 2001
From: Xu Peng <xupeng3112@163.com>
Date: Tue, 28 May 2019 14:01:54 +0800
Subject: [PATCH] refactor(db): replace typedef with using

Former-commit-id: 62caeac6fb8a05cabe0622abe73d7b5b548f8472
---
 cpp/src/db/DBImpl.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpp/src/db/DBImpl.h b/cpp/src/db/DBImpl.h
index 0c84af8f0c..7384e53a34 100644
--- a/cpp/src/db/DBImpl.h
+++ b/cpp/src/db/DBImpl.h
@@ -28,8 +28,8 @@ namespace meta {
 template <typename EngineT>
 class DBImpl : public DB {
 public:
-    typedef typename meta::Meta::Ptr MetaPtr;
-    typedef typename MemManager<EngineT>::Ptr MemManagerPtr;
+    using MetaPtr = meta::Meta::Ptr;
+    using MemManagerPtr = typename MemManager<EngineT>::Ptr;
 
     DBImpl(const Options& options);