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51 lines
2.1 KiB
C++
51 lines
2.1 KiB
C++
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// 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_IN_PLACE_HPP
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#define SOL_IN_PLACE_HPP
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namespace sol {
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namespace detail {
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struct in_place_of {};
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template <std::size_t I>
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struct in_place_of_i {};
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template <typename T>
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struct in_place_of_t {};
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} // detail
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struct in_place_tag { struct init {}; constexpr in_place_tag(init) {} in_place_tag() = delete; };
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constexpr inline in_place_tag in_place(detail::in_place_of) { return in_place_tag(in_place_tag::init()); }
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template <typename T>
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constexpr inline in_place_tag in_place(detail::in_place_of_t<T>) { return in_place_tag(in_place_tag::init()); }
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template <std::size_t I>
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constexpr inline in_place_tag in_place(detail::in_place_of_i<I>) { return in_place_tag(in_place_tag::init()); }
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using in_place_t = in_place_tag(&)(detail::in_place_of);
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template <typename T>
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using in_place_type_t = in_place_tag(&)(detail::in_place_of_t<T>);
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template <std::size_t I>
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using in_place_index_t = in_place_tag(&)(detail::in_place_of_i<I>);
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} // sol
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#endif // SOL_IN_PLACE_HPP
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