use reference in range for loop

2020-06-11 13:50:37 -07:00
parent 7603d1a71b
commit ca7344d9dc
1 changed files with 1 additions and 1 deletions
--- a/ixredis/ixredis/IXRedisServer.cpp
+++ b/ixredis/ixredis/IXRedisServer.cpp
@@ -112,7 +112,7 @@ namespace ix
            it.second.erase(socket.get());
        }

-        for (auto it : _subscribers)
+        for (auto&& it : _subscribers)
        {
            std::stringstream ss;
            ss << "Subscription id: " << it.first << " #subscribers: " << it.second.size();