inherit.hpp 3.35 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166

// Copyright Aleksey Gurtovoy 2001-2004
//
// 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)
//

// Preprocessed version of "boost/mpl/inherit.hpp" header
// -- DO NOT modify by hand!

namespace boost { namespace mpl {

namespace aux {

template< bool C1, bool C2 >
struct inherit2_impl
{
    template< typename Derived, typename T1, typename T2 > struct result_
        : T1, T2
    {
        typedef Derived type_;
    };
};

template<>
struct inherit2_impl< false,true >
{
    template< typename Derived, typename T1, typename T2 > struct result_
        : T1
    {
        typedef T1 type_;
    };
};

template<>
struct inherit2_impl< true,false >
{
    template< typename Derived, typename T1, typename T2 > struct result_
        : T2
    {
        typedef T2 type_;
    };
};

template<>
struct inherit2_impl< true,true >
{
    template< typename Derived, typename T1, typename T2 > struct result_
    {
        typedef T1 type_;
    };
};

} // namespace aux

template<
      typename BOOST_MPL_AUX_NA_PARAM(T1)
    , typename BOOST_MPL_AUX_NA_PARAM(T2)
    >
struct inherit2
    : aux::inherit2_impl<
          is_empty_base<T1>::value
        , is_empty_base<T2>::value
        >::template result_< inherit2< T1,T2 >,T1, T2 >
{
    typedef typename inherit2::type_ type;
    BOOST_MPL_AUX_LAMBDA_SUPPORT(2, inherit2, (T1, T2))
};

BOOST_MPL_AUX_NA_SPEC(2, inherit2)

template<
      typename T1 = na, typename T2 = na, typename T3 = na
    >
struct inherit3
    : inherit2<
          typename inherit2<
              T1, T2
            >::type
        , T3
        >
{
    BOOST_MPL_AUX_LAMBDA_SUPPORT(
          3
        , inherit3
        , ( T1, T2, T3)
        )
};

BOOST_MPL_AUX_NA_SPEC(3, inherit3)

template<
      typename T1 = na, typename T2 = na, typename T3 = na, typename T4 = na
    >
struct inherit4
    : inherit2<
          typename inherit3<
              T1, T2, T3
            >::type
        , T4
        >
{
    BOOST_MPL_AUX_LAMBDA_SUPPORT(
          4
        , inherit4
        , ( T1, T2, T3, T4)
        )
};

BOOST_MPL_AUX_NA_SPEC(4, inherit4)

template<
      typename T1 = na, typename T2 = na, typename T3 = na, typename T4 = na
    , typename T5 = na
    >
struct inherit5
    : inherit2<
          typename inherit4<
              T1, T2, T3, T4
            >::type
        , T5
        >
{
    BOOST_MPL_AUX_LAMBDA_SUPPORT(
          5
        , inherit5
        , ( T1, T2, T3, T4, T5)
        )
};

BOOST_MPL_AUX_NA_SPEC(5, inherit5)

/// primary template

template<
      typename T1 = empty_base, typename T2 = empty_base
    , typename T3 = empty_base, typename T4 = empty_base
    , typename T5 = empty_base
    >
struct inherit
    : inherit5< T1,T2,T3,T4,T5 >
{
};

template<>
struct inherit< na,na,na,na,na >
{
    template<

          typename T1 = empty_base, typename T2 = empty_base
        , typename T3 = empty_base, typename T4 = empty_base
        , typename T5 = empty_base

        >
    struct apply
        : inherit< T1,T2,T3,T4,T5 >
    {
    };
};

BOOST_MPL_AUX_NA_SPEC_LAMBDA(5, inherit)
BOOST_MPL_AUX_NA_SPEC_ARITY(5, inherit)
BOOST_MPL_AUX_NA_SPEC_TEMPLATE_ARITY(5, 5, inherit)
}}