// Copyright 2005-2009 Daniel James. // 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) // Based on Peter Dimov's proposal // http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf // issue 6.18. #if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP) #define BOOST_FUNCTIONAL_HASH_FWD_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif #include <boost/config.hpp> #include <cstddef> #include <boost/detail/workaround.hpp> namespace boost { template <class T> struct hash; #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) template <class T> void hash_combine(std::size_t& seed, T& v); #else template <class T> void hash_combine(std::size_t& seed, T const& v); #endif template <class It> std::size_t hash_range(It, It); template <class It> void hash_range(std::size_t&, It, It); #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551)) template <class T> inline std::size_t hash_range(T*, T*); template <class T> inline void hash_range(std::size_t&, T*, T*); #endif } #endif