/*=============================================================================
    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 , 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>
    struct tuple : vector<T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19>
    {
        typedef vector<
            T0 , T1 , T2 , T3 , T4 , T5 , T6 , T7 , T8 , T9 , T10 , T11 , T12 , T13 , T14 , T15 , T16 , T17 , T18 , T19>
        base_type;
        tuple()
            : base_type() {}
        tuple(tuple const& rhs)
            : base_type(rhs) {}
        template <typename U1, typename U2>
        tuple(std::pair<U1, U2> const& rhs)
            : base_type(rhs) {}
    explicit
    tuple(typename detail::call_param<T0 >::type _0)
        : base_type(_0) {}
    template <typename U0>
    tuple(tuple<U0> const& rhs)
        : base_type(rhs) {}
    template <typename U0>
    tuple& operator=(tuple<U0> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1)
        : base_type(_0 , _1) {}
    template <typename U0 , typename U1>
    tuple(tuple<U0 , U1> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1>
    tuple& operator=(tuple<U0 , U1> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2)
        : base_type(_0 , _1 , _2) {}
    template <typename U0 , typename U1 , typename U2>
    tuple(tuple<U0 , U1 , U2> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2>
    tuple& operator=(tuple<U0 , U1 , U2> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3)
        : base_type(_0 , _1 , _2 , _3) {}
    template <typename U0 , typename U1 , typename U2 , typename U3>
    tuple(tuple<U0 , U1 , U2 , U3> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3>
    tuple& operator=(tuple<U0 , U1 , U2 , U3> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4)
        : base_type(_0 , _1 , _2 , _3 , _4) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4>
    tuple(tuple<U0 , U1 , U2 , U3 , U4> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11 , typename detail::call_param<T12 >::type _12)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11 , _12) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11 , typename detail::call_param<T12 >::type _12 , typename detail::call_param<T13 >::type _13)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11 , _12 , _13) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11 , typename detail::call_param<T12 >::type _12 , typename detail::call_param<T13 >::type _13 , typename detail::call_param<T14 >::type _14)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11 , _12 , _13 , _14) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11 , typename detail::call_param<T12 >::type _12 , typename detail::call_param<T13 >::type _13 , typename detail::call_param<T14 >::type _14 , typename detail::call_param<T15 >::type _15)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11 , _12 , _13 , _14 , _15) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11 , typename detail::call_param<T12 >::type _12 , typename detail::call_param<T13 >::type _13 , typename detail::call_param<T14 >::type _14 , typename detail::call_param<T15 >::type _15 , typename detail::call_param<T16 >::type _16)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11 , _12 , _13 , _14 , _15 , _16) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15 , typename U16>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15 , U16> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15 , typename U16>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15 , U16> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11 , typename detail::call_param<T12 >::type _12 , typename detail::call_param<T13 >::type _13 , typename detail::call_param<T14 >::type _14 , typename detail::call_param<T15 >::type _15 , typename detail::call_param<T16 >::type _16 , typename detail::call_param<T17 >::type _17)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11 , _12 , _13 , _14 , _15 , _16 , _17) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15 , typename U16 , typename U17>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15 , U16 , U17> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15 , typename U16 , typename U17>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15 , U16 , U17> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11 , typename detail::call_param<T12 >::type _12 , typename detail::call_param<T13 >::type _13 , typename detail::call_param<T14 >::type _14 , typename detail::call_param<T15 >::type _15 , typename detail::call_param<T16 >::type _16 , typename detail::call_param<T17 >::type _17 , typename detail::call_param<T18 >::type _18)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11 , _12 , _13 , _14 , _15 , _16 , _17 , _18) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15 , typename U16 , typename U17 , typename U18>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15 , U16 , U17 , U18> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15 , typename U16 , typename U17 , typename U18>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15 , U16 , U17 , U18> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
    tuple(typename detail::call_param<T0 >::type _0 , typename detail::call_param<T1 >::type _1 , typename detail::call_param<T2 >::type _2 , typename detail::call_param<T3 >::type _3 , typename detail::call_param<T4 >::type _4 , typename detail::call_param<T5 >::type _5 , typename detail::call_param<T6 >::type _6 , typename detail::call_param<T7 >::type _7 , typename detail::call_param<T8 >::type _8 , typename detail::call_param<T9 >::type _9 , typename detail::call_param<T10 >::type _10 , typename detail::call_param<T11 >::type _11 , typename detail::call_param<T12 >::type _12 , typename detail::call_param<T13 >::type _13 , typename detail::call_param<T14 >::type _14 , typename detail::call_param<T15 >::type _15 , typename detail::call_param<T16 >::type _16 , typename detail::call_param<T17 >::type _17 , typename detail::call_param<T18 >::type _18 , typename detail::call_param<T19 >::type _19)
        : base_type(_0 , _1 , _2 , _3 , _4 , _5 , _6 , _7 , _8 , _9 , _10 , _11 , _12 , _13 , _14 , _15 , _16 , _17 , _18 , _19) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15 , typename U16 , typename U17 , typename U18 , typename U19>
    tuple(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15 , U16 , U17 , U18 , U19> const& rhs)
        : base_type(rhs) {}
    template <typename U0 , typename U1 , typename U2 , typename U3 , typename U4 , typename U5 , typename U6 , typename U7 , typename U8 , typename U9 , typename U10 , typename U11 , typename U12 , typename U13 , typename U14 , typename U15 , typename U16 , typename U17 , typename U18 , typename U19>
    tuple& operator=(tuple<U0 , U1 , U2 , U3 , U4 , U5 , U6 , U7 , U8 , U9 , U10 , U11 , U12 , U13 , U14 , U15 , U16 , U17 , U18 , U19> const& rhs)
    {
        base_type::operator=(rhs);
        return *this;
    }
        template <typename T>
        tuple& operator=(T const& rhs)
        {
            base_type::operator=(rhs);
            return *this;
        }
        tuple& operator=(tuple const& rhs)
        {
            base_type::operator=(rhs);
            return *this;
        }
        template <typename U1, typename U2>
        tuple& operator=(std::pair<U1, U2> const& rhs)
        {
            base_type::operator=(rhs);
            return *this;
        }
    };
    template <typename Tuple>
    struct tuple_size : result_of::size<Tuple> {};
    template <int N, typename Tuple>
    struct tuple_element : result_of::value_at_c<Tuple, N> {};
    template <int N, typename Tuple>
    inline typename
        lazy_disable_if<
            is_const<Tuple>
          , result_of::at_c<Tuple, N>
        >::type
    get(Tuple& tup)
    {
        return at_c<N>(tup);
    }
    template <int N, typename Tuple>
    inline typename result_of::at_c<Tuple const, N>::type
    get(Tuple const& tup)
    {
        return at_c<N>(tup);
    }
}}
