tags.hpp

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// Copyright 2019 Lawrence Livermore National Security, LLC and other Metall
// Project Developers. See the top-level COPYRIGHT file for details.
//
// SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
#ifndef METALL_TAGS_HPP
#define METALL_TAGS_HPP
 
#include <metall/detail/char_ptr_holder.hpp>
 
namespace metall {
 
struct create_only_t {};
 
[[maybe_unused]] static const create_only_t create_only{};
 
struct open_only_t {};
 
[[maybe_unused]] static const open_only_t open_only{};
 
struct open_read_only_t {};
 
[[maybe_unused]] static const open_read_only_t open_read_only{};
 
[[maybe_unused]] static const mtlldetail::anonymous_instance_t
    *anonymous_instance = nullptr;
 
[[maybe_unused]] static const mtlldetail::unique_instance_t *unique_instance =
    nullptr;
}  // namespace metall
 
#endif  // METALL_TAGS_HPP