1 /*============================================================================= 2 Copyright (c) 2001-2011 Joel de Guzman 3 Copyright (c) 2005-2006 Dan Marsden 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_IS_SEQUENCE_IMPL_20060228_1946) 9 #define BOOST_FUSION_IS_SEQUENCE_IMPL_20060228_1946 10 11 #include <boost/mpl/bool.hpp> 12 13 namespace example 14 { 15 struct example_sequence_tag; 16 } 17 18 namespace boost { namespace fusion 19 { 20 namespace extension 21 { 22 template<typename Tag> 23 struct is_sequence_impl; 24 25 template<> 26 struct is_sequence_impl<example::example_sequence_tag> 27 { 28 template<typename T> 29 struct apply : mpl::true_ {}; 30 }; 31 } 32 }} 33 34 #endif 35