1 /* Copyright 2003-2018 Joaquin M Lopez Munoz. 2 * Distributed under the Boost Software License, Version 1.0. 3 * (See accompanying file LICENSE_1_0.txt or copy at 4 * http://www.boost.org/LICENSE_1_0.txt) 5 * 6 * See http://www.boost.org/libs/multi_index for library home page. 7 */ 8 9 #include <boost/multi_index/key.hpp> 10 11 #if !defined(BOOST_MULTI_INDEX_KEY_SUPPORTED) 12 #error BOOST_MULTI_INDEX_KEY_SUPPORTED macro not defined 13 #endif 14