1 /*============================================================================= 2 Copyright (c) 2001-2011 Joel de Guzman 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 #if !defined(BOOST_FUSION_IS_VIEW_IMPL_09242011_1744) 8 #define BOOST_FUSION_IS_VIEW_IMPL_09242011_1744 9 10 #include <boost/fusion/support/config.hpp> 11 #include <boost/mpl/bool.hpp> 12 13 namespace boost { namespace fusion 14 { 15 struct std_tuple_tag; 16 17 namespace extension 18 { 19 template<typename Tag> 20 struct is_view_impl; 21 22 template<> 23 struct is_view_impl<std_tuple_tag> 24 { 25 template<typename T> 26 struct apply : mpl::false_ {}; 27 }; 28 } 29 }} 30 31 #endif 32