2 // Copyright Daniel James 2005-2006. Use, modification, and distribution are
3 // subject to the Boost Software License, Version 1.0. (See accompanying
4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 // Based on Peter Dimov's proposal
7 // http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
10 #if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP)
11 #define BOOST_FUNCTIONAL_HASH_FWD_HPP
13 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
17 #include <boost/config.hpp>
19 #include <boost/detail/workaround.hpp>
23 template <class T> struct hash;
25 #if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
26 template <class T> void hash_combine(std::size_t& seed, T& v);
28 template <class T> void hash_combine(std::size_t& seed, T const& v);
31 template <class It> std::size_t hash_range(It, It);
32 template <class It> void hash_range(std::size_t&, It, It);
34 #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
35 template <class T> inline std::size_t hash_range(T*, T*);
36 template <class T> inline void hash_range(std::size_t&, T*, T*);