1 /*============================================================================= 2 Copyright (c) 2001-2003 Joel de Guzman 3 http://spirit.sourceforge.net/ 4 5 Distributed under the Boost Software License, Version 1.0. (See accompanying 6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 7 =============================================================================*/ 8 #if !defined(BOOST_SPIRIT_NIL_HPP) 9 #define BOOST_SPIRIT_NIL_HPP 10 11 #include <boost/spirit/home/classic/namespace.hpp> 12 13 namespace boost { namespace spirit { 14 15 BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN 16 17 struct nil_t {}; 18 19 BOOST_SPIRIT_CLASSIC_NAMESPACE_END 20 21 }} 22 23 #endif 24 25 26