sl@0: 
sl@0: //  Copyright Daniel James 2005-2006. Use, modification, and distribution are
sl@0: //  subject to the Boost Software License, Version 1.0. (See accompanying
sl@0: //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
sl@0: 
sl@0: //  Based on Peter Dimov's proposal
sl@0: //  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
sl@0: //  issue 6.18. 
sl@0: 
sl@0: #if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP)
sl@0: #define BOOST_FUNCTIONAL_HASH_FWD_HPP
sl@0: 
sl@0: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
sl@0: # pragma once
sl@0: #endif
sl@0: 
sl@0: #include <boost/config.hpp>
sl@0: #include <cstddef>
sl@0: #include <boost/detail/workaround.hpp>
sl@0: 
sl@0: namespace boost
sl@0: {
sl@0:     template <class T> struct hash;
sl@0: 
sl@0: #if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
sl@0:     template <class T> void hash_combine(std::size_t& seed, T& v);
sl@0: #else
sl@0:     template <class T> void hash_combine(std::size_t& seed, T const& v);
sl@0: #endif
sl@0: 
sl@0:     template <class It> std::size_t hash_range(It, It);
sl@0:     template <class It> void hash_range(std::size_t&, It, It);
sl@0: 
sl@0: #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
sl@0:     template <class T> inline std::size_t hash_range(T*, T*);
sl@0:     template <class T> inline void hash_range(std::size_t&, T*, T*);
sl@0: #endif
sl@0: }
sl@0: 
sl@0: #endif