From fd961bc23fb60b6f67b9780fdf619700b5d4843c Mon Sep 17 00:00:00 2001
From: Alberto Soragna <alberto.soragna@gmail.com>
Date: Thu, 9 Apr 2020 18:28:41 +0100
Subject: [PATCH] use constexpr for endpoint type name (#1055)

Signed-off-by: Soragna, Alberto <alberto.soragna@gmail.com>
---
 rclcpp/src/rclcpp/node_interfaces/node_graph.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rclcpp/src/rclcpp/node_interfaces/node_graph.cpp b/rclcpp/src/rclcpp/node_interfaces/node_graph.cpp
index 1ffd3d6..2e4d734 100644
--- a/rclcpp/src/rclcpp/node_interfaces/node_graph.cpp
+++ b/rclcpp/src/rclcpp/node_interfaces/node_graph.cpp
@@ -461,7 +461,7 @@ get_info_by_topic(
   return topic_info_list;
 }
 
-static const char kPublisherEndpointTypeName[] = "publishers";
+static constexpr char kPublisherEndpointTypeName[] = "publishers";
 std::vector<rclcpp::TopicEndpointInfo>
 NodeGraph::get_publishers_info_by_topic(
   const std::string & topic_name,
@@ -474,7 +474,7 @@ NodeGraph::get_publishers_info_by_topic(
     rcl_get_publishers_info_by_topic);
 }
 
-static const char kSubscriptionEndpointTypeName[] = "subscriptions";
+static constexpr char kSubscriptionEndpointTypeName[] = "subscriptions";
 std::vector<rclcpp::TopicEndpointInfo>
 NodeGraph::get_subscriptions_info_by_topic(
   const std::string & topic_name,