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Add mpl::clear implementation for std::tuple

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Signed-off-by: Kohei Takahashi <flast@flast.jp>
This commit is contained in:
Kohei Takahashi
2012-10-17 19:59:44 +09:00
parent 38bcd6e779
commit f5fe438f14
2 changed files with 24 additions and 0 deletions
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1
include/boost/fusion/adapted/std_tuple.hpp
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@ -19,5 +19,6 @@
#include <boost/fusion/adapted/std_tuple/detail/convert_impl.hpp> #include <boost/fusion/adapted/std_tuple/detail/convert_impl.hpp>
#include <boost/fusion/adapted/std_tuple/std_tuple_iterator.hpp> #include <boost/fusion/adapted/std_tuple/std_tuple_iterator.hpp>
#include <boost/fusion/adapted/std_tuple/tag_of.hpp> #include <boost/fusion/adapted/std_tuple/tag_of.hpp>
#include <boost/fusion/adapted/std_tuple/mpl/clear.hpp>
#endif #endif

23
include/boost/fusion/adapted/std_tuple/mpl/clear.hpp Normal file
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@ -0,0 +1,23 @@
/*=============================================================================
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_0940)
#define BOOST_FUSION_CLEAR_10172012_0940
#include <boost/mpl/identity.hpp>
#include <boost/fusion/adapted/std_tuple/tag_of.hpp>
namespace boost { namespace fusion { namespace detail
{
template <typename Tag>
struct clear;
template <>
struct clear<std_tuple_tag> : mpl::identity<std::tuple<> > {};
}}}
#endif