mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2013 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_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/config.hpp>
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#include <sprout/string/string.hpp>
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#include <sprout/utility/move.hpp>
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#include <sprout/tuple/tuple/get.hpp>
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namespace sprout {
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//
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// tuple_get
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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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inline SPROUT_CONSTEXPR T&
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tuple_get(sprout::basic_string<T, N, Traits>& t) SPROUT_NOEXCEPT {
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static_assert(I < N, "tuple_get: index out of range");
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return t[I];
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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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inline SPROUT_CONSTEXPR T const&
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tuple_get(sprout::basic_string<T, N, Traits> const& t) SPROUT_NOEXCEPT {
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static_assert(I < N, "tuple_get: index out of range");
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return t[I];
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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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inline SPROUT_CONSTEXPR T&&
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tuple_get(sprout::basic_string<T, N, Traits>&& t) SPROUT_NOEXCEPT {
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return sprout::move(sprout::tuples::get<I>(t));
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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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// 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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static_assert(I < N, "tuple_element<>: index out of range");
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public:
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typedef 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_STRING_TUPLE_HPP
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