63e88f80
 Hu Chunming
提交三方库
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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(FUSION_FRONT_10022005_1618)
#define FUSION_FRONT_10022005_1618
#include <boost/fusion/support/config.hpp>
#include <boost/mpl/front.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/iterator/value_of.hpp>
namespace boost { namespace mpl
{
template <typename Tag>
struct front_impl;
template <>
struct front_impl<fusion::fusion_sequence_tag>
{
template <typename Sequence>
struct apply :
fusion::result_of::value_of<typename fusion::result_of::begin<Sequence>::type> {};
};
}}
#endif
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