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38 lines
1001 B
38 lines
1001 B
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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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// issue 6.18.
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#if !defined(CCSTD_FUNCTIONAL_HASH_FWD_HPP)
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#define CCSTD_FUNCTIONAL_HASH_FWD_HPP
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#include <boost/config/workaround.hpp>
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#include <cstddef>
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#include <cstdint>
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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#pragma once
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#endif
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namespace ccstd
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{
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using hash_t = std::uint32_t;
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template <class T> struct hash;
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template <class T> void hash_combine(hash_t& seed, T const& v);
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template <class It> hash_t hash_range(It, It);
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template <class It> void hash_range(hash_t&, It, It);
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#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x551))
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template <class T> inline hash_t hash_range(T*, T*);
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template <class T> inline void hash_range(hash_t&, T*, T*);
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#endif
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}
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#endif
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