build: switch to C++17
Change-Id: Id6217b5c993f3e4726e89773128b565e5f136bb6
diff --git a/tools/chunks/catchunks/options.hpp b/tools/chunks/catchunks/options.hpp
index fbca964..c93e9c2 100644
--- a/tools/chunks/catchunks/options.hpp
+++ b/tools/chunks/catchunks/options.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2016-2019, Regents of the University of California,
+ * Copyright (c) 2016-2022, Regents of the University of California,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University.
*
@@ -29,8 +29,7 @@
#include "core/common.hpp"
-namespace ndn {
-namespace chunks {
+namespace ndn::chunks {
struct Options : noncopyable
{
@@ -62,7 +61,6 @@
bool enableFastConv = false; ///< use cubic fast convergence
};
-} // namespace chunks
-} // namespace ndn
+} // namespace ndn::chunks
#endif // NDN_TOOLS_CHUNKS_CATCHUNKS_OPTIONS_HPP