//  (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_FUNCTIONAL_HPP_INCLUDED

#  define BOOST_TR1_FUNCTIONAL_HPP_INCLUDED

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

#  include <functional>

#if defined(BOOST_HAS_TR1_REFERENCE_WRAPPER) \

   || defined(BOOST_HAS_TR1_RESULT_OF)\

   || defined(BOOST_HAS_TR1_MEM_FN)\

   || defined(BOOST_HAS_TR1_BIND)\

   || defined(BOOST_HAS_TR1_FUNCTION)\

   || defined(BOOST_HAS_TR1_HASH)

#  ifdef BOOST_HAS_INCLUDE_NEXT

#     include_next BOOST_TR1_HEADER(functional)

#  else

#     include BOOST_TR1_STD_HEADER(BOOST_TR1_PATH(functional))

#  endif

#endif

#ifndef BOOST_HAS_TR1_REFERENCE_WRAPPER

#include <boost/ref.hpp>

namespace std{ namespace tr1{

   using ::boost::reference_wrapper;

   using ::boost::ref;

   using ::boost::cref;

} }

#endif  // BOOST_HAS_TR1_REFERENCE_WRAPPER

#if !defined(BOOST_HAS_TR1_RESULT_OF)\

   && !defined(BOOST_NO_SFINAE) && \

   !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

//

// we can only actually include result_of.hpp if the compiler

// really does support it, otherwise we just get endless errors...

//

#include <boost/utility/result_of.hpp>

namespace std{ namespace tr1{

   using ::boost::result_of;

} }

#endif // BOOST_HAS_TR1_RESULT_OF

#ifndef BOOST_HAS_TR1_MEM_FN

// mem_fn:

#include <boost/mem_fn.hpp>

namespace std{ namespace tr1{

using boost::mem_fn;

} }

#endif // BOOST_HAS_TR1_MEM_FN

#ifndef BOOST_HAS_TR1_BIND

// Bind:

#include <boost/bind.hpp>

namespace std{ namespace tr1{

   // These aren't supported in this release but are in mainline cvs:

   // using ::boost::is_bind_expression;

   // using ::boost::is_placeholder;

   using ::boost::bind;

   namespace placeholders {

#ifndef BOOST_BIND_NO_PLACEHOLDERS

      using ::_1;

      using ::_2;

      using ::_3;

      using ::_4;

      using ::_5;

      using ::_6;

      using ::_7;

      using ::_8;

      using ::_9;

#endif

   } // placeholders

} }

#endif

#ifndef BOOST_HAS_TR1_FUNCTION

// polymorphic function object wrappers:

#include <boost/function.hpp>

#include <boost/detail/workaround.hpp>

#if !BOOST_WORKAROUND(__BORLANDC__, < 0x582) \

    && !BOOST_WORKAROUND(BOOST_MSVC, < 1310) \

    && !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)

namespace std{ namespace tr1{

   using ::boost::bad_function_call;

   using ::boost::function;

   using ::boost::swap;

}}

#endif

#endif // BOOST_HAS_TR1_FUNCTION

#ifndef BOOST_HAS_TR1_HASH

//

// This header can get included by boost/hash.hpp

// leading to cyclic dependencies.  As a workaround

// we forward declare boost::hash and include

// the actual header later.

//

namespace boost{

template <class T> struct hash;

}

namespace std{ namespace tr1{

   using ::boost::hash;

}}

#include <boost/functional/hash.hpp>

#endif

#endif