1 /*=============================================================================
2 Copyright (c) 2012 Kohei Takahashi
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_CLEAR_10172012_0940)
8 #define BOOST_FUSION_CLEAR_10172012_0940
10 #include <boost/mpl/identity.hpp>
11 #include <boost/fusion/adapted/std_tuple/tag_of.hpp>
13 namespace boost { namespace fusion { namespace detail
15 template <typename Tag>
19 struct clear<std_tuple_tag> : mpl::identity<std::tuple<> > {};