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36 lines
847 B
36 lines
847 B
// MPark.Variant
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//
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// Copyright Michael Park, 2015-2017
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#ifndef MPARK_IN_PLACE_HPP
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#define MPARK_IN_PLACE_HPP
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#include <cstddef>
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#include "config.hpp"
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namespace mpark {
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struct in_place_t { explicit in_place_t() = default; };
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template <std::size_t I>
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struct in_place_index_t { explicit in_place_index_t() = default; };
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template <typename T>
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struct in_place_type_t { explicit in_place_type_t() = default; };
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#ifdef MPARK_VARIABLE_TEMPLATES
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constexpr in_place_t in_place{};
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template <std::size_t I> constexpr in_place_index_t<I> in_place_index{};
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template <typename T> constexpr in_place_type_t<T> in_place_type{};
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#endif
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} // namespace mpark
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#endif // MPARK_IN_PLACE_HPP
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