1 /*============================================================================= 2 Copyright (c) 2014-2015 Kohei Takahashi 3 4 Distributed under the Boost Software License, Version 1.0. (See accompanying 5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6 ==============================================================================*/ 7 #ifndef FUSION_TUPLE_FORWARD_14122014_0051 8 #define FUSION_TUPLE_FORWARD_14122014_0051 9 10 #include <boost/config.hpp> 11 #include <boost/fusion/support/config.hpp> 12 #include <boost/fusion/container/vector/detail/config.hpp> 13 14 #if !defined(BOOST_FUSION_HAS_VARIADIC_VECTOR) \ 15 || (defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)) 16 # if defined(BOOST_FUSION_HAS_VARIADIC_TUPLE) 17 # undef BOOST_FUSION_HAS_VARIADIC_TUPLE 18 # endif 19 #else 20 # if !defined(BOOST_FUSION_HAS_VARIADIC_TUPLE) 21 # define BOOST_FUSION_HAS_VARIADIC_TUPLE 22 # endif 23 #endif 24 25 /////////////////////////////////////////////////////////////////////////////// 26 // With no variadics, we will use the C++03 version 27 /////////////////////////////////////////////////////////////////////////////// 28 #if !defined(BOOST_FUSION_HAS_VARIADIC_TUPLE) 29 # include <boost/fusion/tuple/detail/tuple_fwd.hpp> 30 #else 31 32 /////////////////////////////////////////////////////////////////////////////// 33 // C++11 interface 34 /////////////////////////////////////////////////////////////////////////////// 35 namespace boost { namespace fusion 36 { 37 template <typename ...T> 38 struct tuple; 39 }} 40 41 #endif 42 #endif 43 44