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2 | // Copyright 2005-2009 Daniel James. | |
3 | // Distributed under 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) | |
5 | ||
6 | // Based on Peter Dimov's proposal | |
7 | // http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf | |
8 | // issue 6.18. | |
9 | ||
10 | #if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP) | |
11 | #define BOOST_FUNCTIONAL_HASH_FWD_HPP | |
12 | ||
13 | #include <boost/config.hpp> | |
14 | #if defined(BOOST_HAS_PRAGMA_ONCE) | |
15 | #pragma once | |
16 | #endif | |
17 | ||
18 | #include <cstddef> | |
19 | #include <boost/detail/workaround.hpp> | |
20 | ||
21 | namespace boost | |
22 | { | |
23 | template <class T> struct hash; | |
24 | ||
25 | template <class T> void hash_combine(std::size_t& seed, T const& v); | |
26 | ||
27 | template <class It> std::size_t hash_range(It, It); | |
28 | template <class It> void hash_range(std::size_t&, It, It); | |
29 | ||
30 | #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551)) | |
31 | template <class T> inline std::size_t hash_range(T*, T*); | |
32 | template <class T> inline void hash_range(std::size_t&, T*, T*); | |
33 | #endif | |
34 | } | |
35 | ||
36 | #endif |