mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2014 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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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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=============================================================================*/
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#ifndef SPROUT_UTILITY_PAIR_HASH_HPP
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#define SPROUT_UTILITY_PAIR_HASH_HPP
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#include <cstddef>
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#include <functional>
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#include <sprout/config.hpp>
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#include <sprout/utility/pair/pair.hpp>
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#include <sprout/functional/hash.hpp>
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namespace sprout {
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//
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// hash_value
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//
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template<typename T1, typename T2>
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inline SPROUT_CONSTEXPR std::size_t
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hash_value(sprout::pair<T1, T2> const& v) {
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return sprout::hash_values(v.first, v.second);
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}
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} // namespace sprout
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namespace std {
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#if defined(__clang__)
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wmismatched-tags"
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#endif
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//
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// hash
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//
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template<typename T1, typename T2>
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struct hash<sprout::pair<T1, T2> >
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: public sprout::hash<sprout::pair<T1, T2> >
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{};
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#if defined(__clang__)
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# pragma clang diagnostic pop
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#endif
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} // namespace std
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#endif // #ifndef SPROUT_UTILITY_PAIR_HASH_HPP
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