text: 
  // 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 {
  
  template<
        typename BOOST_MPL_AUX_NA_PARAM(T1)
      , typename BOOST_MPL_AUX_NA_PARAM(T2)
      >
  struct inherit2
      : T1, T2
  {
      typedef inherit2 type;
      BOOST_MPL_AUX_LAMBDA_SUPPORT(2, inherit2, (T1, T2))
  };
  
  template< typename T1 >
  struct inherit2< T1,empty_base >
  {
      typedef T1 type;
      BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(2, inherit2, (T1, empty_base))
  };
  
  template< typename T2 >
  struct inherit2< empty_base,T2 >
  {
      typedef T2 type;
      BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(2, inherit2, (empty_base, T2))
  };
  
  template<>
  struct inherit2< empty_base,empty_base >
  {
      typedef empty_base type;
      BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(2, inherit2, (empty_base, empty_base))
  };
  
  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)
  }}
  
  