1 /*============================================================================= 2 Copyright (c) 2001-2011 Joel de Guzman 3 Copyright (c) 2005 Eric Niebler 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_FUSION_CONS_FWD_HPP_INCLUDED) 9 #define BOOST_FUSION_CONS_FWD_HPP_INCLUDED 10 11 namespace boost { namespace fusion 12 { 13 struct nil_; 14 #ifndef nil 15 typedef nil_ nil; 16 #endif 17 18 template <typename Car, typename Cdr = nil_> 19 struct cons; 20 }} 21 22 #endif 23 24