mirror of
https://github.com/bolero-MURAKAMI/Sprout
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36 lines
786 B
C++
36 lines
786 B
C++
#ifndef SPROUT_FUNCTIONAL_HASH_HASH_FWD_HPP
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#define SPROUT_FUNCTIONAL_HASH_HASH_FWD_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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namespace sprout {
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//
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// hash
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//
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template<typename T>
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struct hash;
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//
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// to_hash
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//
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template<typename T>
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SPROUT_CONSTEXPR std::size_t to_hash(T const& v);
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//
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// hash_combine
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//
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template<typename T>
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SPROUT_CONSTEXPR std::size_t hash_combine(std::size_t seed, T const& v);
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//
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// hash_range
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//
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template<typename Iterator>
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SPROUT_CONSTEXPR std::size_t hash_range(Iterator first, Iterator last);
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template<typename Iterator>
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SPROUT_CONSTEXPR std::size_t hash_range(std::size_t seed, Iterator first, Iterator last);
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} // namespace sprout
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#endif // #ifndef SPROUT_FUNCTIONAL_HASH_HASH_FWD_HPP
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