From d1ff6a7c72c22ccf19ac9a4ac160101ec15c565f Mon Sep 17 00:00:00 2001
From: Enrique Fernandez <efernandez@clearpath.ai>
Date: Fri, 27 Apr 2018 16:54:12 -0400
Subject: [PATCH] Use const reference for std::string

---
 nodelet_topic_tools/include/nodelet_topic_tools/nodelet_lazy.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nodelet_topic_tools/include/nodelet_topic_tools/nodelet_lazy.h b/nodelet_topic_tools/include/nodelet_topic_tools/nodelet_lazy.h
index a7bb7db9..5d39bbe1 100644
--- a/nodelet_topic_tools/include/nodelet_topic_tools/nodelet_lazy.h
+++ b/nodelet_topic_tools/include/nodelet_topic_tools/nodelet_lazy.h
@@ -232,7 +232,7 @@ class NodeletLazy: public nodelet::Nodelet
     */
   template<class T> ros::Publisher
   advertise(ros::NodeHandle& nh,
-            std::string topic, int queue_size, bool latch=false)
+            const std::string& topic, int queue_size, bool latch=false)
   {
     boost::mutex::scoped_lock lock(connection_mutex_);
     ros::SubscriberStatusCallback connect_cb