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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#ifndef __cpp_lib_variant
#include "third_party/variant-1.3.0/include/mpark/variant.hpp"
#else
#include <variant>
#endif
namespace mongo {
namespace stdx {
#if __cplusplus < 201703L || !defined(__cpp_lib_variant)
using ::mpark::variant;
using ::mpark::visit;
using ::mpark::holds_alternative;
using ::mpark::get;
using ::mpark::get_if;
using ::mpark::variant_size;
using ::mpark::variant_size_v;
using ::mpark::variant_alternative;
using ::mpark::variant_alternative_t;
constexpr auto variant_npos = ::mpark::variant_npos;
using ::mpark::operator==;
using ::mpark::operator!=;
using ::mpark::operator<;
using ::mpark::operator>;
using ::mpark::operator<=;
using ::mpark::operator>=;
using ::mpark::monostate;
using ::mpark::bad_variant_access;
#else
using ::std::variant;
using ::std::visit;
using ::std::holds_alternative;
using ::std::get;
using ::std::get_if;
using ::std::variant_size;
using ::std::variant_size_v;
using ::std::variant_alternative;
using ::std::variant_alternative_t;
constexpr auto variant_npos = ::std::variant_npos;
using ::std::operator==;
using ::std::operator!=;
using ::std::operator<;
using ::std::operator>;
using ::std::operator<=;
using ::std::operator>=;
using ::std::monostate;
using ::std::bad_variant_access;
#endif
} // namespace stdx
} // namespace mongo
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