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27 lines
549 B
C++
27 lines
549 B
C++
// Copyright 2018 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <variant>
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namespace detail
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{
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template <typename... From>
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struct VariantCastProxy
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{
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const std::variant<From...>& v;
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template <typename... To>
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operator std::variant<To...>() const
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{
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return std::visit([](auto&& arg) { return std::variant<To...>{arg}; }, v);
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}
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};
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} // namespace detail
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template <typename... From>
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auto VariantCast(const std::variant<From...>& v)
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{
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return detail::VariantCastProxy<From...>{v};
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}
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