build: switch to C++17
Change-Id: I119767c48c085c62556347ba6c11a85e30c32ced
diff --git a/tools/ndn-nac/ndn-nac.hpp b/tools/ndn-nac/ndn-nac.hpp
index a80c531..007022f 100644
--- a/tools/ndn-nac/ndn-nac.hpp
+++ b/tools/ndn-nac/ndn-nac.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2014-2021, Regents of the University of California
+ * Copyright (c) 2014-2022, Regents of the University of California
*
* NAC library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
@@ -32,8 +32,7 @@
#include <ndn-cxx/util/exception.hpp>
#include <ndn-cxx/util/io.hpp>
-namespace ndn {
-namespace nac {
+namespace ndn::nac {
int
nac_dump_kek(int argc, char** argv);
@@ -61,7 +60,6 @@
}
}
-} // namespace nac
-} // namespace ndn
+} // namespace ndn::nac
#endif // NAC_TOOLS_NDN_NAC_NDN_NAC_HPP