view DEPENDENCIES/generic/include/boost/fusion/algorithm/query/none.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents c530137014c0
children
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/*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
    Copyright (c) 2007 Dan Marsden

    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_NONE_07062005_1128)
#define BOOST_FUSION_NONE_07062005_1128

#include <boost/fusion/support/config.hpp>
#include <boost/fusion/algorithm/query/any.hpp>

namespace boost { namespace fusion
{
    namespace result_of
    {
        template <typename Sequence, typename F>
        struct none
        {
            typedef bool type;
        };
    }

    template <typename Sequence, typename F>
    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline bool
    none(Sequence const& seq, F f)
    {
        return !fusion::any(seq, f);
    }
}}

#endif