1 | /* Copyright 2008 Vicente J. Botet Escriba
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2 | * Distributed under the Boost Software License, Version 1.0.
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3 | * (See accompanying file LICENSE_1_0.txt or copy at
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4 | * http://www.boost.org/LICENSE_1_0.txt)
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5 | *
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6 | * See http://www.boost.org/libs/mpl_ext for library home page.
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7 | */
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8 |
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9 | #ifndef BOOST_MPLEXT_AND_SEQ_HPP_
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10 | #define BOOST_MPLEXT_AND_SEQ_HPP_
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11 |
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12 | #include <boost/mpl/not.hpp>
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13 | #include <boost/mpl/find_if.hpp>
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14 | #include <boost/mpl/end.hpp>
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15 | #include <boost/type_traits/detail/type_trait_def.hpp>
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16 |
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17 | namespace boost {
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18 | namespace mpl_ext {
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19 |
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20 | /*
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21 | Calculate the mlp::and_ of a sequence of nullary logical metafunctions.
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22 | */
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23 | template <typename Seq>
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24 | struct and_seq : boost::is_same<typename mpl::find_if<Seq, mpl::not_<mpl::_> >::type,
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25 | typename mpl::end<Seq>::type>
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26 | {};
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27 |
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28 | } // mpl_ext
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29 | } // boost
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30 | #endif // BOOST_MPLEXT_AND_SEQ_HPP_
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