view DEPENDENCIES/generic/include/boost/fusion/container/generation/ignore.hpp @ 103:ccaadfc1e6d1

Ignore some more stuff
author Chris Cannam
date Mon, 07 Sep 2015 11:15:24 +0100
parents c530137014c0
children
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/*=============================================================================
    Copyright (c) 2001 Doug Gregor
    Copyright (c) 1999-2003 Jaakko Jarvi
    Copyright (c) 2001-2011 Joel de Guzman

    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(FUSION_IGNORE_07192005_0329)
#define FUSION_IGNORE_07192005_0329

namespace boost { namespace fusion
{
    //  Swallows any assignment (by Doug Gregor)
    namespace detail
    {
        struct swallow_assign
        {
            template<typename T>
            BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
            swallow_assign const&
            operator=(const T&) const
            {
                return *this;
            }
        };
    }

    //  "ignore" allows tuple positions to be ignored when using "tie".
    BOOST_CONSTEXPR detail::swallow_assign const ignore = detail::swallow_assign();
}}

#endif