From 43d4e95770b0519341153202c9a535aaa8e164c5 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期二, 01 六月 2021 14:22:20 +0800
Subject: [PATCH] refactor, remove useless code.

---
 src/robust.cpp |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/src/robust.cpp b/src/robust.cpp
index 015f97a..b4e0613 100644
--- a/src/robust.cpp
+++ b/src/robust.cpp
@@ -16,9 +16,16 @@
  * =====================================================================================
  */
 #include "robust.h"
-#include <chrono>
 #include <thread>
 
+using namespace std::chrono;
+using namespace std::chrono_literals;
+
+namespace
+{
+void yield() { std::this_thread::sleep_for(10us); }
+} // namespace
+
 namespace robust
 {
 

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