packet_id_type.hpp

// Copyright Takatoshi Kondo 2022
//
// 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)
 
#if !defined(ASYNC_MQTT_PACKET_PACKET_ID_TYPE_HPP)
#define ASYNC_MQTT_PACKET_PACKET_ID_TYPE_HPP
 
#include <cstdint>
#include <cstddef>
 
namespace async_mqtt {
 
template <std::size_t Bytes>
struct packet_id_type;
 
template <>
struct packet_id_type<2> {
    using type = std::uint16_t;
};
template <>
struct packet_id_type<4> {
    using type = std::uint32_t;
};
 
} // namespace async_mqtt
 
#endif // ASYNC_MQTT_PACKET_PACKET_ID_TYPE_HPP