1 /*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
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_SIZE_IMPL_09272006_0724)
8 #define BOOST_FUSION_SIZE_IMPL_09272006_0724
10 #include <boost/fusion/support/config.hpp>
11 #include <boost/tuple/tuple.hpp>
12 #include <boost/mpl/int.hpp>
14 namespace boost { namespace fusion
16 struct boost_tuple_tag;
24 struct size_impl<boost_tuple_tag>
26 template <typename Sequence>
27 struct apply : mpl::int_<tuples::length<Sequence>::value> {};