gnss-sim/3rdparty/boost/mysql/pfr.hpp

69 lines
2.1 KiB
C++

//
// Copyright (c) 2019-2024 Ruben Perez Hidalgo (rubenperez038 at gmail dot 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)
//
#ifndef BOOST_MYSQL_PFR_HPP
#define BOOST_MYSQL_PFR_HPP
#include <boost/mysql/detail/config.hpp>
#include <boost/pfr/config.hpp>
#if BOOST_PFR_ENABLED && defined(BOOST_MYSQL_CXX14)
namespace boost {
namespace mysql {
/**
* \brief Static interface marker type to use Boost.PFR reflection with positional matching.
* \details
* A marker type that satisfies the `StaticRow` concept.
* When used within the static interface, modifies its behavior
* for the marked type so that Boost.PFR is used for reflection, instead of Boost.Describe.
* Field matching is performed by position, with the same algorithm used for `std::tuple`.
* \n
* The underlying row type for this marker is `T`, i.e.
* \ref underlying_row_t "underlying_row_t<pfr_by_position<T>>" is an alias for `T`.
* \n
* The type `T` must be a PFR-reflectable non-const object type.
* \n
* This type is only defined if the macro `BOOST_PFR_ENABLED` is defined and set to `1`.
*/
template <class T>
struct pfr_by_position;
#if BOOST_PFR_CORE_NAME_ENABLED
/**
* \brief Static interface marker type to use Boost.PFR reflection with name-based field matching.
* \details
* A marker type that satisfies the `StaticRow` concept.
* When used within the static interface, modifies its behavior
* for the marked type so that Boost.PFR is used for reflection, instead of Boost.Describe.
* Field matching is performed by name, with the same algorithm used for Boost.Describe structs.
* \n
* The underlying row type for this marker is `T`, i.e.
* \ref underlying_row_t "underlying_row_t<pfr_by_name<T>>" is an alias for `T`.
* \n
* The type `T` must be a PFR-reflectable non-const object type.
* \n
* This type is only defined if the macro `BOOST_PFR_CORE_NAME_ENABLED` is defined and set to `1`
* (requires C++20).
*/
template <class T>
struct pfr_by_name;
#endif
} // namespace mysql
} // namespace boost
#include <boost/mysql/impl/pfr.hpp>
#endif
#endif