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https://github.com/bolero-MURAKAMI/Sprout.git
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30 lines
710 B
C++
30 lines
710 B
C++
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#ifndef SPROUT_STRING_TUPLE_HPP
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#define SPROUT_STRING_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/string/string.hpp>
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namespace std {
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//
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// tuple_size
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//
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template<typename T, std::size_t N, typename Traits>
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struct tuple_size<sprout::basic_string<T, N, Traits> >
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: public std::integral_constant<std::size_t, N>
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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, typename T, std::size_t N, typename Traits>
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struct tuple_element<I, sprout::basic_string<T, N, Traits> > {
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public:
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static_assert(I < N, "tuple_element<>: index out of range");
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typedef T type;
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};
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} // namespace std
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#endif // #ifndef SPROUT_STRING_TUPLE_HPP
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