dolphin/Source/Core/Common/VariantUtil.h
2018-10-28 17:57:43 +00:00

27 lines
549 B
C++

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