add Chapter18

Chapter18/cib/libs/boost/mp11/mpl_list.hpp

@@ -0,0 +1,28 @@
+#ifndef BOOST_MP11_MPL_LIST_HPP_INCLUDED
+#define BOOST_MP11_MPL_LIST_HPP_INCLUDED
+
+// Copyright 2017, 2019 Peter Dimov.
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/mp11/detail/mpl_common.hpp>
+
+namespace boost
+{
+namespace mpl
+{
+
+template< typename Sequence > struct sequence_tag;
+
+template<class... T> struct sequence_tag<mp11::mp_list<T...>>
+{
+    using type = aux::mp11_tag;
+};
+
+} // namespace mpl
+} // namespace boost
+
+#endif // #ifndef BOOST_MP11_MPL_LIST_HPP_INCLUDED