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https://github.com/bolero-MURAKAMI/Sprout.git
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38 lines
957 B
C++
38 lines
957 B
C++
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#ifndef SPROUT_INDEX_TUPLE_TUPLE_HPP
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#define SPROUT_INDEX_TUPLE_TUPLE_HPP
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#include <cstddef>
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#include <tuple>
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple/index_tuple.hpp>
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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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// tuple_size
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//
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template<sprout::index_t... Indexes>
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struct tuple_size<sprout::index_tuple<Indexes...> >
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: public std::integral_constant<std::size_t, sizeof...(Indexes)>
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{};
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//
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// tuple_element
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//
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template<std::size_t I, sprout::index_t... Indexes>
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struct tuple_element<I, sprout::index_tuple<Indexes...> > {
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static_assert(I < sizeof...(Indexes), "tuple_element<>: index out of range");
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public:
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typedef sprout::index_t type;
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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_INDEX_TUPLE_TUPLE_HPP
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