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// Copyright 2005-2009 Daniel James.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// Based on Peter Dimov's proposal
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// http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
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#if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP)
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#define BOOST_FUNCTIONAL_HASH_FWD_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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#include <boost/config.hpp>
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#include <boost/detail/workaround.hpp>
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template <class T> struct hash;
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#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
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template <class T> void hash_combine(std::size_t& seed, T& v);
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template <class T> void hash_combine(std::size_t& seed, T const& v);
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template <class It> std::size_t hash_range(It, It);
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template <class It> void hash_range(std::size_t&, It, It);
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
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template <class T> inline std::size_t hash_range(T*, T*);
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template <class T> inline void hash_range(std::size_t&, T*, T*);