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75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
// The MIT License (MIT)
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// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SOL_TUPLE_HPP
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#define SOL_TUPLE_HPP
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#include <tuple>
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#include <cstddef>
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namespace sol {
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namespace detail {
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using swallow = std::initializer_list<int>;
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} // detail
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template<typename... Args>
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struct types { typedef std::make_index_sequence<sizeof...(Args)> indices; static constexpr std::size_t size() { return sizeof...(Args); } };
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namespace meta {
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namespace detail {
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template<typename... Args>
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struct tuple_types_ { typedef types<Args...> type; };
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template<typename... Args>
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struct tuple_types_<std::tuple<Args...>> { typedef types<Args...> type; };
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} // detail
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template<typename T>
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using unqualified = std::remove_cv<std::remove_reference_t<T>>;
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template<typename T>
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using unqualified_t = typename unqualified<T>::type;
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template<typename... Args>
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using tuple_types = typename detail::tuple_types_<Args...>::type;
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template<typename Arg>
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struct pop_front_type;
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template<typename Arg>
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using pop_front_type_t = typename pop_front_type<Arg>::type;
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template<typename... Args>
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struct pop_front_type<types<Args...>> { typedef void front_type; typedef types<Args...> type; };
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template<typename Arg, typename... Args>
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struct pop_front_type<types<Arg, Args...>> { typedef Arg front_type; typedef types<Args...> type; };
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template <std::size_t N, typename Tuple>
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using tuple_element = std::tuple_element<N, unqualified_t<Tuple>>;
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template <std::size_t N, typename Tuple>
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using tuple_element_t = std::tuple_element_t<N, unqualified_t<Tuple>>;
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} // meta
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} // sol
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#endif // SOL_TUPLE_HPP
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