text: #ifndef BOOST_BIND_BIND_HPP_INCLUDED
  #define BOOST_BIND_BIND_HPP_INCLUDED
  
  // MS compatible compilers support #pragma once
  
  #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  # pragma once
  #endif
  
  //
  //  bind.hpp - binds function objects to arguments
  //
  //  Copyright (c) 2001-2004 Peter Dimov and Multi Media Ltd.
  //  Copyright (c) 2001 David Abrahams
  //  Copyright (c) 2005 Peter Dimov
  //
  // 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)
  //
  //  See http://www.boost.org/libs/bind/bind.html for documentation.
  //
  
  #include <boost/config.hpp>
  #include <boost/ref.hpp>
  #include <boost/mem_fn.hpp>
  #include <boost/type.hpp>
  #include <boost/is_placeholder.hpp>
  #include <boost/bind/arg.hpp>
  #include <boost/detail/workaround.hpp>
  #include <boost/visit_each.hpp>
  #include <boost/core/enable_if.hpp>
  #include <boost/core/is_same.hpp>
  
  #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
  #include <utility> // std::forward
  #endif
  
  // Borland-specific bug, visit_each() silently fails to produce code
  
  #if defined(BOOST_BORLANDC)
  #  define BOOST_BIND_VISIT_EACH boost::visit_each
  #else
  #  define BOOST_BIND_VISIT_EACH visit_each
  #endif
  
  #include <boost/bind/storage.hpp>
  
  #ifdef BOOST_MSVC
  # pragma warning(push)
  # pragma warning(disable: 4512) // assignment operator could not be generated
  #endif
  
  namespace boost
  {
  
  template<class T> class weak_ptr;
  
  namespace _bi // implementation details
  {
  
  // result_traits
  
  template<class R, class F> struct result_traits
  {
      typedef R type;
  };
  
  #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
  
  struct unspecified {};
  
  template<class F> struct result_traits<unspecified, F>
  {
      typedef typename F::result_type type;
  };
  
  template<class F> struct result_traits< unspecified, reference_wrapper<F> >
  {
      typedef typename F::result_type type;
  };
  
  #endif
  
  // ref_compare
  
  template<class T> bool ref_compare( T const & a, T const & b, long )
  {
      return a == b;
  }
  
  template<int I> bool ref_compare( arg<I> const &, arg<I> const &, int )
  {
      return true;
  }
  
  template<int I> bool ref_compare( arg<I> (*) (), arg<I> (*) (), int )
  {
      return true;
  }
  
  template<class T> bool ref_compare( reference_wrapper<T> const & a, reference_wrapper<T> const & b, int )
  {
      return a.get_pointer() == b.get_pointer();
  }
  
  // bind_t forward declaration for listN
  
  template<class R, class F, class L> class bind_t;
  
  template<class R, class F, class L> bool ref_compare( bind_t<R, F, L> const & a, bind_t<R, F, L> const & b, int )
  {
      return a.compare( b );
  }
  
  // value
  
  template<class T> class value
  {
  public:
  
      value(T const & t): t_(t) {}
  
      T & get() { return t_; }
      T const & get() const { return t_; }
  
      bool operator==(value const & rhs) const
      {
          return t_ == rhs.t_;
      }
  
  private:
  
      T t_;
  };
  
  // ref_compare for weak_ptr
  
  template<class T> bool ref_compare( value< weak_ptr<T> > const & a, value< weak_ptr<T> > const & b, int )
  {
      return !(a.get() < b.get()) && !(b.get() < a.get());
  }
  
  // type
  
  template<class T> class type {};
  
  // unwrap
  
  template<class F> struct unwrapper
  {
      static inline F & unwrap( F & f, long )
      {
          return f;
      }
  
      template<class F2> static inline F2 & unwrap( reference_wrapper<F2> rf, int )
      {
          return rf.get();
      }
  
      template<class R, class T> static inline _mfi::dm<R, T> unwrap( R T::* pm, int )
      {
          return _mfi::dm<R, T>( pm );
      }
  };
  
  // listN
  
  class list0
  {
  public:
  
      list0() {}
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A &, long)
      {
          return unwrapper<F>::unwrap(f, 0)();
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A &, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)();
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A &, int)
      {
          unwrapper<F>::unwrap(f, 0)();
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A &, int) const
      {
          unwrapper<F const>::unwrap(f, 0)();
      }
  
      template<class V> void accept(V &) const
      {
      }
  
      bool operator==(list0 const &) const
      {
          return true;
      }
  };
  
  #ifdef BOOST_MSVC
  // MSVC is bright enough to realise that the parameter rhs 
  // in operator==may be unused for some template argument types:
  #pragma warning(push)
  #pragma warning(disable:4100)
  #endif
  
  template< class A1 > class list1: private storage1< A1 >
  {
  private:
  
      typedef storage1< A1 > base_type;
  
  public:
  
      explicit list1( A1 a1 ): base_type( a1 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_]);
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list1 const & rhs) const
      {
          return ref_compare(base_type::a1_, rhs.a1_, 0);
      }
  };
  
  struct logical_and;
  struct logical_or;
  
  template< class A1, class A2 > class list2: private storage2< A1, A2 >
  {
  private:
  
      typedef storage2< A1, A2 > base_type;
  
  public:
  
      list2( A1 a1, A2 a2 ): base_type( a1, a2 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2>) const { return base_type::a2_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2> (*) ()) const { return base_type::a2_; }
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_]);
      }
  
      template<class A> bool operator()( type<bool>, logical_and & /*f*/, A & a, int )
      {
          return a[ base_type::a1_ ] && a[ base_type::a2_ ];
      }
  
      template<class A> bool operator()( type<bool>, logical_and const & /*f*/, A & a, int ) const
      {
          return a[ base_type::a1_ ] && a[ base_type::a2_ ];
      }
  
      template<class A> bool operator()( type<bool>, logical_or & /*f*/, A & a, int )
      {
          return a[ base_type::a1_ ] || a[ base_type::a2_ ];
      }
  
      template<class A> bool operator()( type<bool>, logical_or const & /*f*/, A & a, int ) const
      {
          return a[ base_type::a1_ ] || a[ base_type::a2_ ];
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list2 const & rhs) const
      {
          return ref_compare(base_type::a1_, rhs.a1_, 0) && ref_compare(base_type::a2_, rhs.a2_, 0);
      }
  };
  
  template< class A1, class A2, class A3 > class list3: private storage3< A1, A2, A3 >
  {
  private:
  
      typedef storage3< A1, A2, A3 > base_type;
  
  public:
  
      list3( A1 a1, A2 a2, A3 a3 ): base_type( a1, a2, a3 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2>) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3>) const { return base_type::a3_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2> (*) ()) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3> (*) ()) const { return base_type::a3_; }
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_]);
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list3 const & rhs) const
      {
          return
              
              ref_compare( base_type::a1_, rhs.a1_, 0 ) &&
              ref_compare( base_type::a2_, rhs.a2_, 0 ) &&
              ref_compare( base_type::a3_, rhs.a3_, 0 );
      }
  };
  
  template< class A1, class A2, class A3, class A4 > class list4: private storage4< A1, A2, A3, A4 >
  {
  private:
  
      typedef storage4< A1, A2, A3, A4 > base_type;
  
  public:
  
      list4( A1 a1, A2 a2, A3 a3, A4 a4 ): base_type( a1, a2, a3, a4 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2>) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3>) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4>) const { return base_type::a4_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2> (*) ()) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3> (*) ()) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4> (*) ()) const { return base_type::a4_; }
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_]);
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list4 const & rhs) const
      {
          return
  
              ref_compare( base_type::a1_, rhs.a1_, 0 ) &&
              ref_compare( base_type::a2_, rhs.a2_, 0 ) &&
              ref_compare( base_type::a3_, rhs.a3_, 0 ) &&
              ref_compare( base_type::a4_, rhs.a4_, 0 );
      }
  };
  
  template< class A1, class A2, class A3, class A4, class A5 > class list5: private storage5< A1, A2, A3, A4, A5 >
  {
  private:
  
      typedef storage5< A1, A2, A3, A4, A5 > base_type;
  
  public:
  
      list5( A1 a1, A2 a2, A3 a3, A4 a4, A5 a5 ): base_type( a1, a2, a3, a4, a5 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2>) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3>) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4>) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5>) const { return base_type::a5_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2> (*) ()) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3> (*) ()) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4> (*) ()) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5> (*) ()) const { return base_type::a5_; }
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_]);
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list5 const & rhs) const
      {
          return
  
              ref_compare( base_type::a1_, rhs.a1_, 0 ) &&
              ref_compare( base_type::a2_, rhs.a2_, 0 ) &&
              ref_compare( base_type::a3_, rhs.a3_, 0 ) &&
              ref_compare( base_type::a4_, rhs.a4_, 0 ) &&
              ref_compare( base_type::a5_, rhs.a5_, 0 );
      }
  };
  
  template<class A1, class A2, class A3, class A4, class A5, class A6> class list6: private storage6< A1, A2, A3, A4, A5, A6 >
  {
  private:
  
      typedef storage6< A1, A2, A3, A4, A5, A6 > base_type;
  
  public:
  
      list6( A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6 ): base_type( a1, a2, a3, a4, a5, a6 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2>) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3>) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4>) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5>) const { return base_type::a5_; }
      A6 operator[] (boost::arg<6>) const { return base_type::a6_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2> (*) ()) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3> (*) ()) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4> (*) ()) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5> (*) ()) const { return base_type::a5_; }
      A6 operator[] (boost::arg<6> (*) ()) const { return base_type::a6_; }
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_]);
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list6 const & rhs) const
      {
          return
  
              ref_compare( base_type::a1_, rhs.a1_, 0 ) &&
              ref_compare( base_type::a2_, rhs.a2_, 0 ) &&
              ref_compare( base_type::a3_, rhs.a3_, 0 ) &&
              ref_compare( base_type::a4_, rhs.a4_, 0 ) &&
              ref_compare( base_type::a5_, rhs.a5_, 0 ) &&
              ref_compare( base_type::a6_, rhs.a6_, 0 );
      }
  };
  
  template<class A1, class A2, class A3, class A4, class A5, class A6, class A7> class list7: private storage7< A1, A2, A3, A4, A5, A6, A7 >
  {
  private:
  
      typedef storage7< A1, A2, A3, A4, A5, A6, A7 > base_type;
  
  public:
  
      list7( A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7 ): base_type( a1, a2, a3, a4, a5, a6, a7 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2>) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3>) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4>) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5>) const { return base_type::a5_; }
      A6 operator[] (boost::arg<6>) const { return base_type::a6_; }
      A7 operator[] (boost::arg<7>) const { return base_type::a7_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2> (*) ()) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3> (*) ()) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4> (*) ()) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5> (*) ()) const { return base_type::a5_; }
      A6 operator[] (boost::arg<6> (*) ()) const { return base_type::a6_; }
      A7 operator[] (boost::arg<7> (*) ()) const { return base_type::a7_; }
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_]);
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list7 const & rhs) const
      {
          return
  
              ref_compare( base_type::a1_, rhs.a1_, 0 ) &&
              ref_compare( base_type::a2_, rhs.a2_, 0 ) &&
              ref_compare( base_type::a3_, rhs.a3_, 0 ) &&
              ref_compare( base_type::a4_, rhs.a4_, 0 ) &&
              ref_compare( base_type::a5_, rhs.a5_, 0 ) &&
              ref_compare( base_type::a6_, rhs.a6_, 0 ) &&
              ref_compare( base_type::a7_, rhs.a7_, 0 );
      }
  };
  
  template< class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8 > class list8: private storage8< A1, A2, A3, A4, A5, A6, A7, A8 >
  {
  private:
  
      typedef storage8< A1, A2, A3, A4, A5, A6, A7, A8 > base_type;
  
  public:
  
      list8( A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8 ): base_type( a1, a2, a3, a4, a5, a6, a7, a8 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2>) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3>) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4>) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5>) const { return base_type::a5_; }
      A6 operator[] (boost::arg<6>) const { return base_type::a6_; }
      A7 operator[] (boost::arg<7>) const { return base_type::a7_; }
      A8 operator[] (boost::arg<8>) const { return base_type::a8_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2> (*) ()) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3> (*) ()) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4> (*) ()) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5> (*) ()) const { return base_type::a5_; }
      A6 operator[] (boost::arg<6> (*) ()) const { return base_type::a6_; }
      A7 operator[] (boost::arg<7> (*) ()) const { return base_type::a7_; }
      A8 operator[] (boost::arg<8> (*) ()) const { return base_type::a8_; }
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_], a[base_type::a8_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_], a[base_type::a8_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_], a[base_type::a8_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_], a[base_type::a8_]);
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list8 const & rhs) const
      {
          return
              
              ref_compare( base_type::a1_, rhs.a1_, 0 ) &&
              ref_compare( base_type::a2_, rhs.a2_, 0 ) &&
              ref_compare( base_type::a3_, rhs.a3_, 0 ) &&
              ref_compare( base_type::a4_, rhs.a4_, 0 ) &&
              ref_compare( base_type::a5_, rhs.a5_, 0 ) &&
              ref_compare( base_type::a6_, rhs.a6_, 0 ) &&
              ref_compare( base_type::a7_, rhs.a7_, 0 ) &&
              ref_compare( base_type::a8_, rhs.a8_, 0 );
      }
  };
  
  template<class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9> class list9: private storage9< A1, A2, A3, A4, A5, A6, A7, A8, A9 >
  {
  private:
  
      typedef storage9< A1, A2, A3, A4, A5, A6, A7, A8, A9 > base_type;
  
  public:
  
      list9( A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9 ): base_type( a1, a2, a3, a4, a5, a6, a7, a8, a9 ) {}
  
      A1 operator[] (boost::arg<1>) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2>) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3>) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4>) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5>) const { return base_type::a5_; }
      A6 operator[] (boost::arg<6>) const { return base_type::a6_; }
      A7 operator[] (boost::arg<7>) const { return base_type::a7_; }
      A8 operator[] (boost::arg<8>) const { return base_type::a8_; }
      A9 operator[] (boost::arg<9>) const { return base_type::a9_; }
  
      A1 operator[] (boost::arg<1> (*) ()) const { return base_type::a1_; }
      A2 operator[] (boost::arg<2> (*) ()) const { return base_type::a2_; }
      A3 operator[] (boost::arg<3> (*) ()) const { return base_type::a3_; }
      A4 operator[] (boost::arg<4> (*) ()) const { return base_type::a4_; }
      A5 operator[] (boost::arg<5> (*) ()) const { return base_type::a5_; }
      A6 operator[] (boost::arg<6> (*) ()) const { return base_type::a6_; }
      A7 operator[] (boost::arg<7> (*) ()) const { return base_type::a7_; }
      A8 operator[] (boost::arg<8> (*) ()) const { return base_type::a8_; }
      A9 operator[] (boost::arg<9> (*) ()) const { return base_type::a9_; }
  
      template<class T> T & operator[] (_bi::value<T> & v) const { return v.get(); }
  
      template<class T> T const & operator[] (_bi::value<T> const & v) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const { return b.eval(*this); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const { return b.eval(*this); }
  
      template<class R, class F, class A> R operator()(type<R>, F & f, A & a, long)
      {
          return unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_], a[base_type::a8_], a[base_type::a9_]);
      }
  
      template<class R, class F, class A> R operator()(type<R>, F const & f, A & a, long) const
      {
          return unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_], a[base_type::a8_], a[base_type::a9_]);
      }
  
      template<class F, class A> void operator()(type<void>, F & f, A & a, int)
      {
          unwrapper<F>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_], a[base_type::a8_], a[base_type::a9_]);
      }
  
      template<class F, class A> void operator()(type<void>, F const & f, A & a, int) const
      {
          unwrapper<F const>::unwrap(f, 0)(a[base_type::a1_], a[base_type::a2_], a[base_type::a3_], a[base_type::a4_], a[base_type::a5_], a[base_type::a6_], a[base_type::a7_], a[base_type::a8_], a[base_type::a9_]);
      }
  
      template<class V> void accept(V & v) const
      {
          base_type::accept(v);
      }
  
      bool operator==(list9 const & rhs) const
      {
          return
  
              ref_compare( base_type::a1_, rhs.a1_, 0 ) &&
              ref_compare( base_type::a2_, rhs.a2_, 0 ) &&
              ref_compare( base_type::a3_, rhs.a3_, 0 ) &&
              ref_compare( base_type::a4_, rhs.a4_, 0 ) &&
              ref_compare( base_type::a5_, rhs.a5_, 0 ) &&
              ref_compare( base_type::a6_, rhs.a6_, 0 ) &&
              ref_compare( base_type::a7_, rhs.a7_, 0 ) &&
              ref_compare( base_type::a8_, rhs.a8_, 0 ) &&
              ref_compare( base_type::a9_, rhs.a9_, 0 );
      }
  };
  
  #ifdef BOOST_MSVC
  #pragma warning(pop)
  #endif
  
  // bind_t
  
  #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
  
  template< class A1 > class rrlist1
  {
  private:
  
      A1 & a1_; // not A1&& because of msvc-10.0
  
  public:
  
      explicit rrlist1( A1 & a1 ): a1_( a1 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); } // not static_cast because of g++ 4.9
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist1<A1&> a( a1_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist1<A1&> a( a1_ );
          return b.eval( a );
      }
  };
  
  template< class A1, class A2 > class rrlist2
  {
  private:
  
      A1 & a1_;
      A2 & a2_;
  
  public:
  
      rrlist2( A1 & a1, A2 & a2 ): a1_( a1 ), a2_( a2 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2>) const { return std::forward<A2>( a2_ ); }
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2> (*) ()) const { return std::forward<A2>( a2_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist2<A1&, A2&> a( a1_, a2_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist2<A1&, A2&> a( a1_, a2_ );
          return b.eval( a );
      }
  };
  
  template< class A1, class A2, class A3 > class rrlist3
  {
  private:
  
      A1 & a1_;
      A2 & a2_;
      A3 & a3_;
  
  public:
  
      rrlist3( A1 & a1, A2 & a2, A3 & a3 ): a1_( a1 ), a2_( a2 ), a3_( a3 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2>) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3>) const { return std::forward<A3>( a3_ ); }
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2> (*) ()) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3> (*) ()) const { return std::forward<A3>( a3_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist3<A1&, A2&, A3&> a( a1_, a2_, a3_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist3<A1&, A2&, A3&> a( a1_, a2_, a3_ );
          return b.eval( a );
      }
  };
  
  template< class A1, class A2, class A3, class A4 > class rrlist4
  {
  private:
  
      A1 & a1_;
      A2 & a2_;
      A3 & a3_;
      A4 & a4_;
  
  public:
  
      rrlist4( A1 & a1, A2 & a2, A3 & a3, A4 & a4 ): a1_( a1 ), a2_( a2 ), a3_( a3 ), a4_( a4 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2>) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3>) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4>) const { return std::forward<A4>( a4_ ); }
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2> (*) ()) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3> (*) ()) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4> (*) ()) const { return std::forward<A4>( a4_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist4<A1&, A2&, A3&, A4&> a( a1_, a2_, a3_, a4_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist4<A1&, A2&, A3&, A4&> a( a1_, a2_, a3_, a4_ );
          return b.eval( a );
      }
  };
  
  template< class A1, class A2, class A3, class A4, class A5 > class rrlist5
  {
  private:
  
      A1 & a1_;
      A2 & a2_;
      A3 & a3_;
      A4 & a4_;
      A5 & a5_;
  
  public:
  
      rrlist5( A1 & a1, A2 & a2, A3 & a3, A4 & a4, A5 & a5 ): a1_( a1 ), a2_( a2 ), a3_( a3 ), a4_( a4 ), a5_( a5 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2>) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3>) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4>) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5>) const { return std::forward<A5>( a5_ ); }
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2> (*) ()) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3> (*) ()) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4> (*) ()) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5> (*) ()) const { return std::forward<A5>( a5_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist5<A1&, A2&, A3&, A4&, A5&> a( a1_, a2_, a3_, a4_, a5_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist5<A1&, A2&, A3&, A4&, A5&> a( a1_, a2_, a3_, a4_, a5_ );
          return b.eval( a );
      }
  };
  
  template< class A1, class A2, class A3, class A4, class A5, class A6 > class rrlist6
  {
  private:
  
      A1 & a1_;
      A2 & a2_;
      A3 & a3_;
      A4 & a4_;
      A5 & a5_;
      A6 & a6_;
  
  public:
  
      rrlist6( A1 & a1, A2 & a2, A3 & a3, A4 & a4, A5 & a5, A6 & a6 ): a1_( a1 ), a2_( a2 ), a3_( a3 ), a4_( a4 ), a5_( a5 ), a6_( a6 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2>) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3>) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4>) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5>) const { return std::forward<A5>( a5_ ); }
      A6 && operator[] (boost::arg<6>) const { return std::forward<A6>( a6_ ); }
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2> (*) ()) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3> (*) ()) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4> (*) ()) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5> (*) ()) const { return std::forward<A5>( a5_ ); }
      A6 && operator[] (boost::arg<6> (*) ()) const { return std::forward<A6>( a6_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist6<A1&, A2&, A3&, A4&, A5&, A6&> a( a1_, a2_, a3_, a4_, a5_, a6_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist6<A1&, A2&, A3&, A4&, A5&, A6&> a( a1_, a2_, a3_, a4_, a5_, a6_ );
          return b.eval( a );
      }
  };
  
  template< class A1, class A2, class A3, class A4, class A5, class A6, class A7 > class rrlist7
  {
  private:
  
      A1 & a1_;
      A2 & a2_;
      A3 & a3_;
      A4 & a4_;
      A5 & a5_;
      A6 & a6_;
      A7 & a7_;
  
  public:
  
      rrlist7( A1 & a1, A2 & a2, A3 & a3, A4 & a4, A5 & a5, A6 & a6, A7 & a7 ): a1_( a1 ), a2_( a2 ), a3_( a3 ), a4_( a4 ), a5_( a5 ), a6_( a6 ), a7_( a7 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2>) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3>) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4>) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5>) const { return std::forward<A5>( a5_ ); }
      A6 && operator[] (boost::arg<6>) const { return std::forward<A6>( a6_ ); }
      A7 && operator[] (boost::arg<7>) const { return std::forward<A7>( a7_ ); }
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2> (*) ()) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3> (*) ()) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4> (*) ()) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5> (*) ()) const { return std::forward<A5>( a5_ ); }
      A6 && operator[] (boost::arg<6> (*) ()) const { return std::forward<A6>( a6_ ); }
      A7 && operator[] (boost::arg<7> (*) ()) const { return std::forward<A7>( a7_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist7<A1&, A2&, A3&, A4&, A5&, A6&, A7&> a( a1_, a2_, a3_, a4_, a5_, a6_, a7_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist7<A1&, A2&, A3&, A4&, A5&, A6&, A7&> a( a1_, a2_, a3_, a4_, a5_, a6_, a7_ );
          return b.eval( a );
      }
  };
  
  template< class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8 > class rrlist8
  {
  private:
  
      A1 & a1_;
      A2 & a2_;
      A3 & a3_;
      A4 & a4_;
      A5 & a5_;
      A6 & a6_;
      A7 & a7_;
      A8 & a8_;
  
  public:
  
      rrlist8( A1 & a1, A2 & a2, A3 & a3, A4 & a4, A5 & a5, A6 & a6, A7 & a7, A8 & a8 ): a1_( a1 ), a2_( a2 ), a3_( a3 ), a4_( a4 ), a5_( a5 ), a6_( a6 ), a7_( a7 ), a8_( a8 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2>) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3>) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4>) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5>) const { return std::forward<A5>( a5_ ); }
      A6 && operator[] (boost::arg<6>) const { return std::forward<A6>( a6_ ); }
      A7 && operator[] (boost::arg<7>) const { return std::forward<A7>( a7_ ); }
      A8 && operator[] (boost::arg<8>) const { return std::forward<A8>( a8_ ); }
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2> (*) ()) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3> (*) ()) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4> (*) ()) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5> (*) ()) const { return std::forward<A5>( a5_ ); }
      A6 && operator[] (boost::arg<6> (*) ()) const { return std::forward<A6>( a6_ ); }
      A7 && operator[] (boost::arg<7> (*) ()) const { return std::forward<A7>( a7_ ); }
      A8 && operator[] (boost::arg<8> (*) ()) const { return std::forward<A8>( a8_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist8<A1&, A2&, A3&, A4&, A5&, A6&, A7&, A8&> a( a1_, a2_, a3_, a4_, a5_, a6_, a7_, a8_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist8<A1&, A2&, A3&, A4&, A5&, A6&, A7&, A8&> a( a1_, a2_, a3_, a4_, a5_, a6_, a7_, a8_ );
          return b.eval( a );
      }
  };
  
  template< class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9 > class rrlist9
  {
  private:
  
      A1 & a1_;
      A2 & a2_;
      A3 & a3_;
      A4 & a4_;
      A5 & a5_;
      A6 & a6_;
      A7 & a7_;
      A8 & a8_;
      A9 & a9_;
  
  public:
  
      rrlist9( A1 & a1, A2 & a2, A3 & a3, A4 & a4, A5 & a5, A6 & a6, A7 & a7, A8 & a8, A9 & a9 ): a1_( a1 ), a2_( a2 ), a3_( a3 ), a4_( a4 ), a5_( a5 ), a6_( a6 ), a7_( a7 ), a8_( a8 ), a9_( a9 ) {}
  
      A1 && operator[] (boost::arg<1>) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2>) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3>) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4>) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5>) const { return std::forward<A5>( a5_ ); }
      A6 && operator[] (boost::arg<6>) const { return std::forward<A6>( a6_ ); }
      A7 && operator[] (boost::arg<7>) const { return std::forward<A7>( a7_ ); }
      A8 && operator[] (boost::arg<8>) const { return std::forward<A8>( a8_ ); }
      A9 && operator[] (boost::arg<9>) const { return std::forward<A9>( a9_ ); }
  
      A1 && operator[] (boost::arg<1> (*) ()) const { return std::forward<A1>( a1_ ); }
      A2 && operator[] (boost::arg<2> (*) ()) const { return std::forward<A2>( a2_ ); }
      A3 && operator[] (boost::arg<3> (*) ()) const { return std::forward<A3>( a3_ ); }
      A4 && operator[] (boost::arg<4> (*) ()) const { return std::forward<A4>( a4_ ); }
      A5 && operator[] (boost::arg<5> (*) ()) const { return std::forward<A5>( a5_ ); }
      A6 && operator[] (boost::arg<6> (*) ()) const { return std::forward<A6>( a6_ ); }
      A7 && operator[] (boost::arg<7> (*) ()) const { return std::forward<A7>( a7_ ); }
      A8 && operator[] (boost::arg<8> (*) ()) const { return std::forward<A8>( a8_ ); }
      A9 && operator[] (boost::arg<9> (*) ()) const { return std::forward<A9>( a9_ ); }
  
      template<class T> T & operator[] ( _bi::value<T> & v ) const { return v.get(); }
  
      template<class T> T const & operator[] ( _bi::value<T> const & v ) const { return v.get(); }
  
      template<class T> T & operator[] (reference_wrapper<T> const & v) const { return v.get(); }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> & b) const
      {
          rrlist9<A1&, A2&, A3&, A4&, A5&, A6&, A7&, A8&, A9&> a( a1_, a2_, a3_, a4_, a5_, a6_, a7_, a8_, a9_ );
          return b.eval( a );
      }
  
      template<class R, class F, class L> typename result_traits<R, F>::type operator[] (bind_t<R, F, L> const & b) const
      {
          rrlist9<A1&, A2&, A3&, A4&, A5&, A6&, A7&, A8&, A9&> a( a1_, a2_, a3_, a4_, a5_, a6_, a7_, a8_, a9_ );
          return b.eval( a );
      }
  };
  
  template<class R, class F, class L> class bind_t
  {
  private:
  
      F f_;
      L l_;
  
  public:
  
      typedef typename result_traits<R, F>::type result_type;
      typedef bind_t this_type;
  
      bind_t( F f, L const & l ): f_( f ), l_( l ) {}
  
      //
  
      result_type operator()()
      {
          list0 a;
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      result_type operator()() const
      {
          list0 a;
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1> result_type operator()( A1 && a1 )
      {
          rrlist1< A1 > a( a1 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1> result_type operator()( A1 && a1 ) const
      {
          rrlist1< A1 > a( a1 );
          return l_(type<result_type>(), f_, a, 0);
      }
  
      template<class A1, class A2> result_type operator()( A1 && a1, A2 && a2 )
      {
          rrlist2< A1, A2 > a( a1, a2 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2> result_type operator()( A1 && a1, A2 && a2 ) const
      {
          rrlist2< A1, A2 > a( a1, a2 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3> result_type operator()( A1 && a1, A2 && a2, A3 && a3 )
      {
          rrlist3< A1, A2, A3 > a( a1, a2, a3 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3> result_type operator()( A1 && a1, A2 && a2, A3 && a3 ) const
      {
          rrlist3< A1, A2, A3 > a( a1, a2, a3 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4 )
      {
          rrlist4< A1, A2, A3, A4 > a( a1, a2, a3, a4 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4 ) const
      {
          rrlist4< A1, A2, A3, A4 > a( a1, a2, a3, a4 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5 )
      {
          rrlist5< A1, A2, A3, A4, A5 > a( a1, a2, a3, a4, a5 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5 ) const
      {
          rrlist5< A1, A2, A3, A4, A5 > a( a1, a2, a3, a4, a5 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5, class A6> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5, A6 && a6 )
      {
          rrlist6< A1, A2, A3, A4, A5, A6 > a( a1, a2, a3, a4, a5, a6 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5, class A6> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5, A6 && a6 ) const
      {
          rrlist6< A1, A2, A3, A4, A5, A6 > a( a1, a2, a3, a4, a5, a6 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5, class A6, class A7> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5, A6 && a6, A7 && a7 )
      {
          rrlist7< A1, A2, A3, A4, A5, A6, A7 > a( a1, a2, a3, a4, a5, a6, a7 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5, class A6, class A7> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5, A6 && a6, A7 && a7 ) const
      {
          rrlist7< A1, A2, A3, A4, A5, A6, A7 > a( a1, a2, a3, a4, a5, a6, a7 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5, A6 && a6, A7 && a7, A8 && a8 )
      {
          rrlist8< A1, A2, A3, A4, A5, A6, A7, A8 > a( a1, a2, a3, a4, a5, a6, a7, a8 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5, A6 && a6, A7 && a7, A8 && a8 ) const
      {
          rrlist8< A1, A2, A3, A4, A5, A6, A7, A8 > a( a1, a2, a3, a4, a5, a6, a7, a8 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5, A6 && a6, A7 && a7, A8 && a8, A9 && a9 )
      {
          rrlist9< A1, A2, A3, A4, A5, A6, A7, A8, A9 > a( a1, a2, a3, a4, a5, a6, a7, a8, a9 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9> result_type operator()( A1 && a1, A2 && a2, A3 && a3, A4 && a4, A5 && a5, A6 && a6, A7 && a7, A8 && a8, A9 && a9 ) const
      {
          rrlist9< A1, A2, A3, A4, A5, A6, A7, A8, A9 > a( a1, a2, a3, a4, a5, a6, a7, a8, a9 );
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      //
  
      template<class A> result_type eval( A & a )
      {
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class A> result_type eval( A & a ) const
      {
          return l_( type<result_type>(), f_, a, 0 );
      }
  
      template<class V> void accept( V & v ) const
      {
  #if !defined( BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP ) && !defined( BOOST_BORLANDC )
          using boost::visit_each;
  #endif
  
          BOOST_BIND_VISIT_EACH( v, f_, 0 );
          l_.accept( v );
      }
  
      bool compare( this_type const & rhs ) const
      {
          return ref_compare( f_, rhs.f_, 0 ) && l_ == rhs.l_;
      }
  };
  
  #elif !defined( BOOST_NO_VOID_RETURNS )
  
  template<class R, class F, class L> class bind_t
  {
  public:
  
      typedef bind_t this_type;
  
      bind_t(F f, L const & l): f_(f), l_(l) {}
  
  #define BOOST_BIND_RETURN return
  #include <boost/bind/bind_template.hpp>
  #undef BOOST_BIND_RETURN
  
  };
  
  #else // no void returns
  
  template<class R> struct bind_t_generator
  {
  
  template<class F, class L> class implementation
  {
  public:
  
      typedef implementation this_type;
  
      implementation(F f, L const & l): f_(f), l_(l) {}
  
  #define BOOST_BIND_RETURN return
  #include <boost/bind/bind_template.hpp>
  #undef BOOST_BIND_RETURN
  
  };
  
  };
  
  template<> struct bind_t_generator<void>
  {
  
  template<class F, class L> class implementation
  {
  private:
  
      typedef void R;
  
  public:
  
      typedef implementation this_type;
  
      implementation(F f, L const & l): f_(f), l_(l) {}
  
  #define BOOST_BIND_RETURN
  #include <boost/bind/bind_template.hpp>
  #undef BOOST_BIND_RETURN
  
  };
  
  };
  
  template<class R2, class F, class L> class bind_t: public bind_t_generator<R2>::BOOST_NESTED_TEMPLATE implementation<F, L>
  {
  public:
  
      bind_t(F f, L const & l): bind_t_generator<R2>::BOOST_NESTED_TEMPLATE implementation<F, L>(f, l) {}
  
  };
  
  #endif
  
  // function_equal
  
  #ifndef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
  
  // put overloads in _bi, rely on ADL
  
  # ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
  
  template<class R, class F, class L> bool function_equal( bind_t<R, F, L> const & a, bind_t<R, F, L> const & b )
  {
      return a.compare(b);
  }
  
  # else
  
  template<class R, class F, class L> bool function_equal_impl( bind_t<R, F, L> const & a, bind_t<R, F, L> const & b, int )
  {
      return a.compare(b);
  }
  
  # endif // #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
  
  #else // BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
  
  // put overloads in boost
  
  } // namespace _bi
  
  # ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
  
  template<class R, class F, class L> bool function_equal( _bi::bind_t<R, F, L> const & a, _bi::bind_t<R, F, L> const & b )
  {
      return a.compare(b);
  }
  
  # else
  
  template<class R, class F, class L> bool function_equal_impl( _bi::bind_t<R, F, L> const & a, _bi::bind_t<R, F, L> const & b, int )
  {
      return a.compare(b);
  }
  
  # endif // #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
  
  namespace _bi
  {
  
  #endif // BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
  
  // add_value
  
  #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) || (__SUNPRO_CC >= 0x530)
  
  #if defined( BOOST_BORLANDC ) && BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT(0x582) )
  
  template<class T> struct add_value
  {
      typedef _bi::value<T> type;
  };
  
  #else
  
  template< class T, int I > struct add_value_2
  {
      typedef boost::arg<I> type;
  };
  
  template< class T > struct add_value_2< T, 0 >
  {
      typedef _bi::value< T > type;
  };
  
  template<class T> struct add_value
  {
      typedef typename add_value_2< T, boost::is_placeholder< T >::value >::type type;
  };
  
  #endif
  
  template<class T> struct add_value< value<T> >
  {
      typedef _bi::value<T> type;
  };
  
  template<class T> struct add_value< reference_wrapper<T> >
  {
      typedef reference_wrapper<T> type;
  };
  
  template<int I> struct add_value< arg<I> >
  {
      typedef boost::arg<I> type;
  };
  
  template<int I> struct add_value< arg<I> (*) () >
  {
      typedef boost::arg<I> (*type) ();
  };
  
  template<class R, class F, class L> struct add_value< bind_t<R, F, L> >
  {
      typedef bind_t<R, F, L> type;
  };
  
  #else
  
  template<int I> struct _avt_0;
  
  template<> struct _avt_0<1>
  {
      template<class T> struct inner
      {
          typedef T type;
      };
  };
  
  template<> struct _avt_0<2>
  {
      template<class T> struct inner
      {
          typedef value<T> type;
      };
  };
  
  typedef char (&_avt_r1) [1];
  typedef char (&_avt_r2) [2];
  
  template<class T> _avt_r1 _avt_f(value<T>);
  template<class T> _avt_r1 _avt_f(reference_wrapper<T>);
  template<int I> _avt_r1 _avt_f(arg<I>);
  template<int I> _avt_r1 _avt_f(arg<I> (*) ());
  template<class R, class F, class L> _avt_r1 _avt_f(bind_t<R, F, L>);
  
  _avt_r2 _avt_f(...);
  
  template<class T> struct add_value
  {
      static T t();
      typedef typename _avt_0<sizeof(_avt_f(t()))>::template inner<T>::type type;
  };
  
  #endif
  
  // list_av_N
  
  template<class A1> struct list_av_1
  {
      typedef typename add_value<A1>::type B1;
      typedef list1<B1> type;
  };
  
  template<class A1, class A2> struct list_av_2
  {
      typedef typename add_value<A1>::type B1;
      typedef typename add_value<A2>::type B2;
      typedef list2<B1, B2> type;
  };
  
  template<class A1, class A2, class A3> struct list_av_3
  {
      typedef typename add_value<A1>::type B1;
      typedef typename add_value<A2>::type B2;
      typedef typename add_value<A3>::type B3;
      typedef list3<B1, B2, B3> type;
  };
  
  template<class A1, class A2, class A3, class A4> struct list_av_4
  {
      typedef typename add_value<A1>::type B1;
      typedef typename add_value<A2>::type B2;
      typedef typename add_value<A3>::type B3;
      typedef typename add_value<A4>::type B4;
      typedef list4<B1, B2, B3, B4> type;
  };
  
  template<class A1, class A2, class A3, class A4, class A5> struct list_av_5
  {
      typedef typename add_value<A1>::type B1;
      typedef typename add_value<A2>::type B2;
      typedef typename add_value<A3>::type B3;
      typedef typename add_value<A4>::type B4;
      typedef typename add_value<A5>::type B5;
      typedef list5<B1, B2, B3, B4, B5> type;
  };
  
  template<class A1, class A2, class A3, class A4, class A5, class A6> struct list_av_6
  {
      typedef typename add_value<A1>::type B1;
      typedef typename add_value<A2>::type B2;
      typedef typename add_value<A3>::type B3;
      typedef typename add_value<A4>::type B4;
      typedef typename add_value<A5>::type B5;
      typedef typename add_value<A6>::type B6;
      typedef list6<B1, B2, B3, B4, B5, B6> type;
  };
  
  template<class A1, class A2, class A3, class A4, class A5, class A6, class A7> struct list_av_7
  {
      typedef typename add_value<A1>::type B1;
      typedef typename add_value<A2>::type B2;
      typedef typename add_value<A3>::type B3;
      typedef typename add_value<A4>::type B4;
      typedef typename add_value<A5>::type B5;
      typedef typename add_value<A6>::type B6;
      typedef typename add_value<A7>::type B7;
      typedef list7<B1, B2, B3, B4, B5, B6, B7> type;
  };
  
  template<class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8> struct list_av_8
  {
      typedef typename add_value<A1>::type B1;
      typedef typename add_value<A2>::type B2;
      typedef typename add_value<A3>::type B3;
      typedef typename add_value<A4>::type B4;
      typedef typename add_value<A5>::type B5;
      typedef typename add_value<A6>::type B6;
      typedef typename add_value<A7>::type B7;
      typedef typename add_value<A8>::type B8;
      typedef list8<B1, B2, B3, B4, B5, B6, B7, B8> type;
  };
  
  template<class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9> struct list_av_9
  {
      typedef typename add_value<A1>::type B1;
      typedef typename add_value<A2>::type B2;
      typedef typename add_value<A3>::type B3;
      typedef typename add_value<A4>::type B4;
      typedef typename add_value<A5>::type B5;
      typedef typename add_value<A6>::type B6;
      typedef typename add_value<A7>::type B7;
      typedef typename add_value<A8>::type B8;
      typedef typename add_value<A9>::type B9;
      typedef list9<B1, B2, B3, B4, B5, B6, B7, B8, B9> type;
  };
  
  // operator!
  
  struct logical_not
  {
      template<class V> bool operator()(V const & v) const { return !v; }
  };
  
  template<class R, class F, class L>
      bind_t< bool, logical_not, list1< bind_t<R, F, L> > >
      operator! (bind_t<R, F, L> const & f)
  {
      typedef list1< bind_t<R, F, L> > list_type;
      return bind_t<bool, logical_not, list_type> ( logical_not(), list_type(f) );
  }
  
  // relational operators
  
  #define BOOST_BIND_OPERATOR( op, name ) \
  \
  struct name \
  { \
      template<class V, class W> bool operator()(V const & v, W const & w) const { return v op w; } \
  }; \
   \
  template<class R, class F, class L, class A2> \
      bind_t< bool, name, list2< bind_t<R, F, L>, typename add_value<A2>::type > > \
      operator op (bind_t<R, F, L> const & f, A2 a2) \
  { \
      typedef typename add_value<A2>::type B2; \
      typedef list2< bind_t<R, F, L>, B2> list_type; \
      return bind_t<bool, name, list_type> ( name(), list_type(f, a2) ); \
  }
  
  BOOST_BIND_OPERATOR( ==, equal )
  BOOST_BIND_OPERATOR( !=, not_equal )
  
  BOOST_BIND_OPERATOR( <, less )
  BOOST_BIND_OPERATOR( <=, less_equal )
  
  BOOST_BIND_OPERATOR( >, greater )
  BOOST_BIND_OPERATOR( >=, greater_equal )
  
  BOOST_BIND_OPERATOR( &&, logical_and )
  BOOST_BIND_OPERATOR( ||, logical_or )
  
  #undef BOOST_BIND_OPERATOR
  
  #if defined(__GNUC__) && BOOST_WORKAROUND(__GNUC__, < 3)
  
  // resolve ambiguity with rel_ops
  
  #define BOOST_BIND_OPERATOR( op, name ) \
  \
  template<class R, class F, class L> \
      bind_t< bool, name, list2< bind_t<R, F, L>, bind_t<R, F, L> > > \
      operator op (bind_t<R, F, L> const & f, bind_t<R, F, L> const & g) \
  { \
      typedef list2< bind_t<R, F, L>, bind_t<R, F, L> > list_type; \
      return bind_t<bool, name, list_type> ( name(), list_type(f, g) ); \
  }
  
  BOOST_BIND_OPERATOR( !=, not_equal )
  BOOST_BIND_OPERATOR( <=, less_equal )
  BOOST_BIND_OPERATOR( >, greater )
  BOOST_BIND_OPERATOR( >=, greater_equal )
  
  #endif
  
  // visit_each, ADL
  
  #if !defined( BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP ) && !defined( BOOST_BORLANDC ) \
     && !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
  
  template<class V, class T> void visit_each( V & v, value<T> const & t, int )
  {
      using boost::visit_each;
      BOOST_BIND_VISIT_EACH( v, t.get(), 0 );
  }
  
  template<class V, class R, class F, class L> void visit_each( V & v, bind_t<R, F, L> const & t, int )
  {
      t.accept( v );
  }
  
  #endif
  
  } // namespace _bi
  
  // visit_each, no ADL
  
  #if defined( BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP ) || defined( BOOST_BORLANDC ) \
    || (defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
  
  template<class V, class T> void visit_each( V & v, _bi::value<T> const & t, int )
  {
      BOOST_BIND_VISIT_EACH( v, t.get(), 0 );
  }
  
  template<class V, class R, class F, class L> void visit_each( V & v, _bi::bind_t<R, F, L> const & t, int )
  {
      t.accept( v );
  }
  
  #endif
  
  // is_bind_expression
  
  template< class T > struct is_bind_expression
  {
      enum _vt { value = 0 };
  };
  
  #if !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION )
  
  template< class R, class F, class L > struct is_bind_expression< _bi::bind_t< R, F, L > >
  {
      enum _vt { value = 1 };
  };
  
  #endif
  
  // bind
  
  #ifndef BOOST_BIND
  #define BOOST_BIND bind
  #endif
  
  // generic function objects
  
  template<class R, class F>
      _bi::bind_t<R, F, _bi::list0>
      BOOST_BIND(F f)
  {
      typedef _bi::list0 list_type;
      return _bi::bind_t<R, F, list_type> (f, list_type());
  }
  
  template<class R, class F, class A1>
      _bi::bind_t<R, F, typename _bi::list_av_1<A1>::type>
      BOOST_BIND(F f, A1 a1)
  {
      typedef typename _bi::list_av_1<A1>::type list_type;
      return _bi::bind_t<R, F, list_type> (f, list_type(a1));
  }
  
  template<class R, class F, class A1, class A2>
      _bi::bind_t<R, F, typename _bi::list_av_2<A1, A2>::type>
      BOOST_BIND(F f, A1 a1, A2 a2)
  {
      typedef typename _bi::list_av_2<A1, A2>::type list_type;
      return _bi::bind_t<R, F, list_type> (f, list_type(a1, a2));
  }
  
  template<class R, class F, class A1, class A2, class A3>
      _bi::bind_t<R, F, typename _bi::list_av_3<A1, A2, A3>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3)
  {
      typedef typename _bi::list_av_3<A1, A2, A3>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4>
      _bi::bind_t<R, F, typename _bi::list_av_4<A1, A2, A3, A4>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4)
  {
      typedef typename _bi::list_av_4<A1, A2, A3, A4>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5>
      _bi::bind_t<R, F, typename _bi::list_av_5<A1, A2, A3, A4, A5>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
  {
      typedef typename _bi::list_av_5<A1, A2, A3, A4, A5>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5, class A6>
      _bi::bind_t<R, F, typename _bi::list_av_6<A1, A2, A3, A4, A5, A6>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
  {
      typedef typename _bi::list_av_6<A1, A2, A3, A4, A5, A6>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
      _bi::bind_t<R, F, typename _bi::list_av_7<A1, A2, A3, A4, A5, A6, A7>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
  {
      typedef typename _bi::list_av_7<A1, A2, A3, A4, A5, A6, A7>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
      _bi::bind_t<R, F, typename _bi::list_av_8<A1, A2, A3, A4, A5, A6, A7, A8>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8)
  {
      typedef typename _bi::list_av_8<A1, A2, A3, A4, A5, A6, A7, A8>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7, a8));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
      _bi::bind_t<R, F, typename _bi::list_av_9<A1, A2, A3, A4, A5, A6, A7, A8, A9>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9)
  {
      typedef typename _bi::list_av_9<A1, A2, A3, A4, A5, A6, A7, A8, A9>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7, a8, a9));
  }
  
  // generic function objects, alternative syntax
  
  template<class R, class F>
      _bi::bind_t<R, F, _bi::list0>
      BOOST_BIND(boost::type<R>, F f)
  {
      typedef _bi::list0 list_type;
      return _bi::bind_t<R, F, list_type> (f, list_type());
  }
  
  template<class R, class F, class A1>
      _bi::bind_t<R, F, typename _bi::list_av_1<A1>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1)
  {
      typedef typename _bi::list_av_1<A1>::type list_type;
      return _bi::bind_t<R, F, list_type> (f, list_type(a1));
  }
  
  template<class R, class F, class A1, class A2>
      _bi::bind_t<R, F, typename _bi::list_av_2<A1, A2>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1, A2 a2)
  {
      typedef typename _bi::list_av_2<A1, A2>::type list_type;
      return _bi::bind_t<R, F, list_type> (f, list_type(a1, a2));
  }
  
  template<class R, class F, class A1, class A2, class A3>
      _bi::bind_t<R, F, typename _bi::list_av_3<A1, A2, A3>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1, A2 a2, A3 a3)
  {
      typedef typename _bi::list_av_3<A1, A2, A3>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4>
      _bi::bind_t<R, F, typename _bi::list_av_4<A1, A2, A3, A4>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1, A2 a2, A3 a3, A4 a4)
  {
      typedef typename _bi::list_av_4<A1, A2, A3, A4>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5>
      _bi::bind_t<R, F, typename _bi::list_av_5<A1, A2, A3, A4, A5>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
  {
      typedef typename _bi::list_av_5<A1, A2, A3, A4, A5>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5, class A6>
      _bi::bind_t<R, F, typename _bi::list_av_6<A1, A2, A3, A4, A5, A6>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
  {
      typedef typename _bi::list_av_6<A1, A2, A3, A4, A5, A6>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
      _bi::bind_t<R, F, typename _bi::list_av_7<A1, A2, A3, A4, A5, A6, A7>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
  {
      typedef typename _bi::list_av_7<A1, A2, A3, A4, A5, A6, A7>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
      _bi::bind_t<R, F, typename _bi::list_av_8<A1, A2, A3, A4, A5, A6, A7, A8>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8)
  {
      typedef typename _bi::list_av_8<A1, A2, A3, A4, A5, A6, A7, A8>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7, a8));
  }
  
  template<class R, class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
      _bi::bind_t<R, F, typename _bi::list_av_9<A1, A2, A3, A4, A5, A6, A7, A8, A9>::type>
      BOOST_BIND(boost::type<R>, F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9)
  {
      typedef typename _bi::list_av_9<A1, A2, A3, A4, A5, A6, A7, A8, A9>::type list_type;
      return _bi::bind_t<R, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7, a8, a9));
  }
  
  #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
  
  // adaptable function objects
  
  template<class F>
      _bi::bind_t<_bi::unspecified, F, _bi::list0>
      BOOST_BIND(F f)
  {
      typedef _bi::list0 list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type> (f, list_type());
  }
  
  template<class F, class A1>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_1<A1>::type>
      BOOST_BIND(F f, A1 a1)
  {
      typedef typename _bi::list_av_1<A1>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type> (f, list_type(a1));
  }
  
  template<class F, class A1, class A2>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_2<A1, A2>::type>
      BOOST_BIND(F f, A1 a1, A2 a2)
  {
      typedef typename _bi::list_av_2<A1, A2>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type> (f, list_type(a1, a2));
  }
  
  template<class F, class A1, class A2, class A3>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_3<A1, A2, A3>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3)
  {
      typedef typename _bi::list_av_3<A1, A2, A3>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type>(f, list_type(a1, a2, a3));
  }
  
  template<class F, class A1, class A2, class A3, class A4>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_4<A1, A2, A3, A4>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4)
  {
      typedef typename _bi::list_av_4<A1, A2, A3, A4>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type>(f, list_type(a1, a2, a3, a4));
  }
  
  template<class F, class A1, class A2, class A3, class A4, class A5>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_5<A1, A2, A3, A4, A5>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
  {
      typedef typename _bi::list_av_5<A1, A2, A3, A4, A5>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type>(f, list_type(a1, a2, a3, a4, a5));
  }
  
  template<class F, class A1, class A2, class A3, class A4, class A5, class A6>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_6<A1, A2, A3, A4, A5, A6>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
  {
      typedef typename _bi::list_av_6<A1, A2, A3, A4, A5, A6>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6));
  }
  
  template<class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_7<A1, A2, A3, A4, A5, A6, A7>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
  {
      typedef typename _bi::list_av_7<A1, A2, A3, A4, A5, A6, A7>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7));
  }
  
  template<class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_8<A1, A2, A3, A4, A5, A6, A7, A8>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8)
  {
      typedef typename _bi::list_av_8<A1, A2, A3, A4, A5, A6, A7, A8>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7, a8));
  }
  
  template<class F, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
      _bi::bind_t<_bi::unspecified, F, typename _bi::list_av_9<A1, A2, A3, A4, A5, A6, A7, A8, A9>::type>
      BOOST_BIND(F f, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9)
  {
      typedef typename _bi::list_av_9<A1, A2, A3, A4, A5, A6, A7, A8, A9>::type list_type;
      return _bi::bind_t<_bi::unspecified, F, list_type>(f, list_type(a1, a2, a3, a4, a5, a6, a7, a8, a9));
  }
  
  #endif // !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
  
  // function pointers
  
  #define BOOST_BIND_CC
  #define BOOST_BIND_ST
  #define BOOST_BIND_NOEXCEPT
  
  #include <boost/bind/bind_cc.hpp>
  
  # if defined( __cpp_noexcept_function_type ) || defined( _NOEXCEPT_TYPES_SUPPORTED )
  #   undef BOOST_BIND_NOEXCEPT
  #   define BOOST_BIND_NOEXCEPT noexcept
  #   include <boost/bind/bind_cc.hpp>
  # endif
  
  #undef BOOST_BIND_CC
  #undef BOOST_BIND_ST
  #undef BOOST_BIND_NOEXCEPT
  
  #if defined(BOOST_BIND_ENABLE_STDCALL) && !defined(_M_X64)
  
  #define BOOST_BIND_CC __stdcall
  #define BOOST_BIND_ST
  #define BOOST_BIND_NOEXCEPT
  
  #include <boost/bind/bind_cc.hpp>
  
  #undef BOOST_BIND_CC
  #undef BOOST_BIND_ST
  #undef BOOST_BIND_NOEXCEPT
  
  #endif
  
  #if defined(BOOST_BIND_ENABLE_FASTCALL) && !defined(_M_X64)
  
  #define BOOST_BIND_CC __fastcall
  #define BOOST_BIND_ST
  #define BOOST_BIND_NOEXCEPT
  
  #include <boost/bind/bind_cc.hpp>
  
  #undef BOOST_BIND_CC
  #undef BOOST_BIND_ST
  #undef BOOST_BIND_NOEXCEPT
  
  #endif
  
  #ifdef BOOST_BIND_ENABLE_PASCAL
  
  #define BOOST_BIND_ST pascal
  #define BOOST_BIND_CC
  #define BOOST_BIND_NOEXCEPT
  
  #include <boost/bind/bind_cc.hpp>
  
  #undef BOOST_BIND_ST
  #undef BOOST_BIND_CC
  #undef BOOST_BIND_NOEXCEPT
  
  #endif
  
  // member function pointers
  
  #define BOOST_BIND_MF_NAME(X) X
  #define BOOST_BIND_MF_CC
  #define BOOST_BIND_MF_NOEXCEPT
  
  #include <boost/bind/bind_mf_cc.hpp>
  #include <boost/bind/bind_mf2_cc.hpp>
  
  # if defined( __cpp_noexcept_function_type ) || defined( _NOEXCEPT_TYPES_SUPPORTED )
  #   undef BOOST_BIND_MF_NOEXCEPT
  #   define BOOST_BIND_MF_NOEXCEPT noexcept
  #   include <boost/bind/bind_mf_cc.hpp>
  # endif
  
  #undef BOOST_BIND_MF_NAME
  #undef BOOST_BIND_MF_CC
  #undef BOOST_BIND_MF_NOEXCEPT
  
  #if defined(BOOST_MEM_FN_ENABLE_CDECL) && !defined(_M_X64)
  
  #define BOOST_BIND_MF_NAME(X) X##_cdecl
  #define BOOST_BIND_MF_CC __cdecl
  #define BOOST_BIND_MF_NOEXCEPT
  
  #include <boost/bind/bind_mf_cc.hpp>
  #include <boost/bind/bind_mf2_cc.hpp>
  
  #undef BOOST_BIND_MF_NAME
  #undef BOOST_BIND_MF_CC
  #undef BOOST_BIND_MF_NOEXCEPT
  
  #endif
  
  #if defined(BOOST_MEM_FN_ENABLE_STDCALL) && !defined(_M_X64)
  
  #define BOOST_BIND_MF_NAME(X) X##_stdcall
  #define BOOST_BIND_MF_CC __stdcall
  #define BOOST_BIND_MF_NOEXCEPT
  
  #include <boost/bind/bind_mf_cc.hpp>
  #include <boost/bind/bind_mf2_cc.hpp>
  
  #undef BOOST_BIND_MF_NAME
  #undef BOOST_BIND_MF_CC
  #undef BOOST_BIND_MF_NOEXCEPT
  
  #endif
  
  #if defined(BOOST_MEM_FN_ENABLE_FASTCALL) && !defined(_M_X64)
  
  #define BOOST_BIND_MF_NAME(X) X##_fastcall
  #define BOOST_BIND_MF_CC __fastcall
  #define BOOST_BIND_MF_NOEXCEPT
  
  #include <boost/bind/bind_mf_cc.hpp>
  #include <boost/bind/bind_mf2_cc.hpp>
  
  #undef BOOST_BIND_MF_NAME
  #undef BOOST_BIND_MF_CC
  #undef BOOST_BIND_MF_NOEXCEPT
  
  #endif
  
  // data member pointers
  
  #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) || defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING) \
      || ( defined(BOOST_BORLANDC) && BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT( 0x620 ) ) )
  
  template<class R, class T, class A1>
  _bi::bind_t< R, _mfi::dm<R, T>, typename _bi::list_av_1<A1>::type >
      BOOST_BIND(R T::*f, A1 a1)
  {
      typedef _mfi::dm<R, T> F;
      typedef typename _bi::list_av_1<A1>::type list_type;
      return _bi::bind_t<R, F, list_type>( F(f), list_type(a1) );
  }
  
  #else
  
  namespace _bi
  {
  
  template< class Pm, int I > struct add_cref;
  
  template< class M, class T > struct add_cref< M T::*, 0 >
  {
      typedef M type;
  };
  
  template< class M, class T > struct add_cref< M T::*, 1 >
  {
  #ifdef BOOST_MSVC
  #pragma warning(push)
  #pragma warning(disable:4180)
  #endif
      typedef M const & type;
  #ifdef BOOST_MSVC
  #pragma warning(pop)
  #endif
  };
  
  template< class R, class T > struct add_cref< R (T::*) (), 1 >
  {
      typedef void type;
  };
  
  #if !defined(__IBMCPP__) || __IBMCPP_FUNC_CV_TMPL_ARG_DEDUCTION
  
  template< class R, class T > struct add_cref< R (T::*) () const, 1 >
  {
      typedef void type;
  };
  
  #if defined( __cpp_noexcept_function_type ) || defined( _NOEXCEPT_TYPES_SUPPORTED )
  
  template< class R, class T > struct add_cref< R (T::*) () const noexcept, 1 >
  {
      typedef void type;
  };
  
  #endif // __cpp_noexcept_function_type
  
  #endif // __IBMCPP__
  
  template<class R> struct isref
  {
      enum value_type { value = 0 };
  };
  
  template<class R> struct isref< R& >
  {
      enum value_type { value = 1 };
  };
  
  template<class R> struct isref< R* >
  {
      enum value_type { value = 1 };
  };
  
  template<class Pm, class A1> struct dm_result
  {
      typedef typename add_cref< Pm, 1 >::type type;
  };
  
  template<class Pm, class R, class F, class L> struct dm_result< Pm, bind_t<R, F, L> >
  {
      typedef typename bind_t<R, F, L>::result_type result_type;
      typedef typename add_cref< Pm, isref< result_type >::value >::type type;
  };
  
  } // namespace _bi
  
  template< class A1, class M, class T >
  
  _bi::bind_t<
      typename _bi::dm_result< M T::*, A1 >::type,
      _mfi::dm<M, T>,
      typename _bi::list_av_1<A1>::type
  >
  
  BOOST_BIND( M T::*f, A1 a1 )
  {
      typedef typename _bi::dm_result< M T::*, A1 >::type result_type;
      typedef _mfi::dm<M, T> F;
      typedef typename _bi::list_av_1<A1>::type list_type;
      return _bi::bind_t< result_type, F, list_type >( F( f ), list_type( a1 ) );
  }
  
  #endif
  
  } // namespace boost
  
  #ifndef BOOST_BIND_NO_PLACEHOLDERS
  
  # include <boost/bind/placeholders.hpp>
  
  #endif
  
  #ifdef BOOST_MSVC
  # pragma warning(default: 4512) // assignment operator could not be generated
  # pragma warning(pop)
  #endif
  
  #endif // #ifndef BOOST_BIND_BIND_HPP_INCLUDED
  