mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2025-08-03 12:49:50 +00:00
32 lines
1,019 B
C++
32 lines
1,019 B
C++
#ifndef SPROUT_TUPLE_TUPLE_HASH_HPP
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#define SPROUT_TUPLE_TUPLE_HASH_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple.hpp>
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#include <sprout/functional/hash/hash.hpp>
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#include <sprout/tuple/tuple/tuple.hpp>
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#include <sprout/tuple/tuple/get.hpp>
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namespace sprout {
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namespace detail {
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template<typename... Types, sprout::index_t... Indexes>
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inline SPROUT_CONSTEXPR std::size_t
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tuple_hash_value_impl(sprout::tuples::tuple<Types...> const& v, sprout::index_tuple<Indexes...>) {
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return sprout::hash_values(sprout::tuples::get<Indexes>(v)...);
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}
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} // namespace detail
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//
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// hash_value
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//
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template<typename... Types>
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inline SPROUT_CONSTEXPR std::size_t
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hash_value(sprout::tuples::tuple<Types...> const& v) {
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return sprout::detail::tuple_hash_value_impl(
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v,
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sprout::index_range<0, sprout::tuples::tuple_size<sprout::tuples::tuple<Types...> >::value>::make()
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);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_TUPLE_TUPLE_HASH_HPP
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