1 // Copyright Cromwell D. Enage 2019. 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 #ifndef BOOST_PARAMETER_AUX_PREPROCESSOR_NULLPTR_HPP 7 #define BOOST_PARAMETER_AUX_PREPROCESSOR_NULLPTR_HPP 8 9 #include <boost/config.hpp> 10 11 #if defined(BOOST_NO_CXX11_NULLPTR) 12 #define BOOST_PARAMETER_AUX_PP_NULLPTR 0 13 #else 14 #define BOOST_PARAMETER_AUX_PP_NULLPTR nullptr 15 #endif 16 17 #endif // include guard 18 19