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+/*=============================================================================
+ Copyright (c) 2001-2011 Joel de Guzman
+
+ Distributed under the Boost Software License, Version 1.0. (See accompanying
+ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#if !defined(BOOST_FUSION_SIZE_IMPL_09272006_0724)
+#define BOOST_FUSION_SIZE_IMPL_09272006_0724
+
+#include <boost/tuple/tuple.hpp>
+#include <boost/mpl/int.hpp>
+
+namespace boost { namespace fusion
+{
+ struct boost_tuple_tag;
+
+ namespace extension
+ {
+ template<typename T>
+ struct size_impl;
+
+ template <>
+ struct size_impl<boost_tuple_tag>
+ {
+ template <typename Sequence>
+ struct apply : mpl::int_<tuples::length<Sequence>::value> {};
+ };
+ }
+}}
+
+#endif