//  (C) Copyright John Maddock 2005.

//  Use, modification and distribution are subject to 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)

#ifndef BOOST_TR1_ARRAY_HPP_INCLUDED

#  define BOOST_TR1_ARRAY_HPP_INCLUDED

#  include <boost/tr1/detail/config.hpp>

#ifdef BOOST_HAS_TR1_ARRAY

#  include BOOST_TR1_HEADER(array)

#else

#include <boost/array.hpp>

#include <boost/static_assert.hpp>

#include <boost/type_traits/integral_constant.hpp>

#include <boost/detail/workaround.hpp>

namespace std{ namespace tr1{

using ::boost::array;

#if !BOOST_WORKAROUND(__BORLANDC__, < 0x0582)

// [6.1.3.2] Tuple creation functions

using ::boost::swap;

#endif

#if !defined(BOOST_TR1_USE_OLD_TUPLE)

}} namespace boost{ namespace fusion{

#endif

// [6.2.2.5] Tuple interface to class template array

template <class T> struct tuple_size; // forward declaration

template <int I, class T> struct tuple_element; // forward declaration

#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

template <class T, size_t N>

struct tuple_size< ::boost::array<T, N> >

   : public ::boost::integral_constant< ::std::size_t, N>{};

template <int I, class T, size_t N>

struct tuple_element<I, ::boost::array<T, N> >

{

#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570))

   BOOST_STATIC_ASSERT(I < (int)N);

   BOOST_STATIC_ASSERT(I >= 0);

#endif

   typedef T type;

};

#endif

template <int I, class T, size_t N>

T& get( ::boost::array<T, N>& a)

{

   BOOST_STATIC_ASSERT(I < N);

   BOOST_STATIC_ASSERT(I >= 0);

   return a[I];

}

template <int I, class T, size_t N>

const T& get(const array<T, N>& a)

{

   BOOST_STATIC_ASSERT(I < N);

   BOOST_STATIC_ASSERT(I >= 0);

   return a[I];

}

#if !defined(BOOST_TR1_USE_OLD_TUPLE)

}} namespace std{ namespace tr1{

   using ::boost::fusion::tuple_size;

   using ::boost::fusion::tuple_element;

   using ::boost::fusion::get;

#endif

} } // namespaces

#endif

#endif