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Add mpl::clear implementation for Boost.Tuple

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Signed-off-by: Kohei Takahashi <flast@flast.jp>
This commit is contained in:
Kohei Takahashi
2012-10-17 18:05:39 +09:00
parent 219b4124d7
commit 38bcd6e779
2 changed files with 24 additions and 0 deletions
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include/boost/fusion/adapted/boost_tuple/mpl/clear.hpp Normal file
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/*=============================================================================
Copyright (c) 2012 Kohei Takahashi
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_CLEAR_10172012_0100)
#define BOOST_FUSION_CLEAR_10172012_0100
#include <boost/mpl/identity.hpp>
#include <boost/fusion/adapted/boost_tuple/tag_of.hpp>
namespace boost { namespace fusion { namespace detail {
template <typename Tag>
struct clear;
template <>
struct clear<boost_tuple_tag> : mpl::identity<boost::tuple<> > {};
}}}
#endif