/*=============================================================================
    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)

    This is an auto-generated file. Do not edit!
==============================================================================*/
namespace boost { namespace fusion
{
    template <typename T0>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0&>
    tie(T0 & arg0)
    {
        return tuple<T0&>(
            arg0);
    }
    template <typename T0 , typename T1>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1&>
    tie(T0 & arg0 , T1 & arg1)
    {
        return tuple<T0& , T1&>(
            arg0 , arg1);
    }
    template <typename T0 , typename T1 , typename T2>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2)
    {
        return tuple<T0& , T1& , T2&>(
            arg0 , arg1 , arg2);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3)
    {
        return tuple<T0& , T1& , T2& , T3&>(
            arg0 , arg1 , arg2 , arg3);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4)
    {
        return tuple<T0& , T1& , T2& , T3& , T4&>(
            arg0 , arg1 , arg2 , arg3 , arg4);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21 , T22 & arg22)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21 , arg22);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21 , T22 & arg22 , T23 & arg23)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21 , arg22 , arg23);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21 , T22 & arg22 , T23 & arg23 , T24 & arg24)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21 , arg22 , arg23 , arg24);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21 , T22 & arg22 , T23 & arg23 , T24 & arg24 , T25 & arg25)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21 , arg22 , arg23 , arg24 , arg25);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25& , T26&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21 , T22 & arg22 , T23 & arg23 , T24 & arg24 , T25 & arg25 , T26 & arg26)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25& , T26&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21 , arg22 , arg23 , arg24 , arg25 , arg26);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25& , T26& , T27&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21 , T22 & arg22 , T23 & arg23 , T24 & arg24 , T25 & arg25 , T26 & arg26 , T27 & arg27)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25& , T26& , T27&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21 , arg22 , arg23 , arg24 , arg25 , arg26 , arg27);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25& , T26& , T27& , T28&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21 , T22 & arg22 , T23 & arg23 , T24 & arg24 , T25 & arg25 , T26 & arg26 , T27 & arg27 , T28 & arg28)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25& , T26& , T27& , T28&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21 , arg22 , arg23 , arg24 , arg25 , arg26 , arg27 , arg28);
    }
    template <typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 , typename T9 , typename T10 , typename T11 , typename T12 , typename T13 , typename T14 , typename T15 , typename T16 , typename T17 , typename T18 , typename T19 , typename T20 , typename T21 , typename T22 , typename T23 , typename T24 , typename T25 , typename T26 , typename T27 , typename T28 , typename T29>
    BOOST_FUSION_GPU_ENABLED
    inline tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25& , T26& , T27& , T28& , T29&>
    tie(T0 & arg0 , T1 & arg1 , T2 & arg2 , T3 & arg3 , T4 & arg4 , T5 & arg5 , T6 & arg6 , T7 & arg7 , T8 & arg8 , T9 & arg9 , T10 & arg10 , T11 & arg11 , T12 & arg12 , T13 & arg13 , T14 & arg14 , T15 & arg15 , T16 & arg16 , T17 & arg17 , T18 & arg18 , T19 & arg19 , T20 & arg20 , T21 & arg21 , T22 & arg22 , T23 & arg23 , T24 & arg24 , T25 & arg25 , T26 & arg26 , T27 & arg27 , T28 & arg28 , T29 & arg29)
    {
        return tuple<T0& , T1& , T2& , T3& , T4& , T5& , T6& , T7& , T8& , T9& , T10& , T11& , T12& , T13& , T14& , T15& , T16& , T17& , T18& , T19& , T20& , T21& , T22& , T23& , T24& , T25& , T26& , T27& , T28& , T29&>(
            arg0 , arg1 , arg2 , arg3 , arg4 , arg5 , arg6 , arg7 , arg8 , arg9 , arg10 , arg11 , arg12 , arg13 , arg14 , arg15 , arg16 , arg17 , arg18 , arg19 , arg20 , arg21 , arg22 , arg23 , arg24 , arg25 , arg26 , arg27 , arg28 , arg29);
    }
}}