vehicle-backup/zw_pro/thirdparty/Boost/include/boost/json/null_resource.hpp

//
// Copyright (c) 2020 Vinnie Falco (vinnie.falco@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/json
//

#ifndef BOOST_JSON_NULL_RESOURCE_HPP
#define BOOST_JSON_NULL_RESOURCE_HPP

#include <boost/json/detail/config.hpp>
#include <boost/json/memory_resource.hpp>

BOOST_JSON_NS_BEGIN

/** Return a pointer to the null resource.

    This memory resource always throws the exception
    `std::bad_alloc` in calls to `allocate`.

    @par Complexity
    Constant.

    @par Exception Safety
    No-throw guarantee.
*/
BOOST_JSON_DECL
memory_resource*
get_null_resource() noexcept;

BOOST_JSON_NS_END

#endif