MySQL 9.4.0
Source Code Documentation
type_traits.h
Go to the documentation of this file.
1// Copyright (c) 2024, 2025, Oracle and/or its affiliates.
2//
3// This program is free software; you can redistribute it and/or modify
4// it under the terms of the GNU General Public License, version 2.0,
5// as published by the Free Software Foundation.
6//
7// This program is designed to work with certain software (including
8// but not limited to OpenSSL) that is licensed under separate terms,
9// as designated in a particular file or component or in included license
10// documentation. The authors of MySQL hereby grant you an additional
11// permission to link the program and your derivative works with the
12// separately licensed software that they have either included with
13// the program or referenced in the documentation.
14//
15// This program is distributed in the hope that it will be useful,
16// but WITHOUT ANY WARRANTY; without even the implied warranty of
17// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18// GNU General Public License, version 2.0, for more details.
19//
20// You should have received a copy of the GNU General Public License
21// along with this program; if not, write to the Free Software
22// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23
24#ifndef MYSQL_UTILS_TYPE_TRAITS_H
25#define MYSQL_UTILS_TYPE_TRAITS_H
26
27/// @file
28/// Experimental API header
29
30/// @addtogroup GroupLibsMysqlUtils
31/// @{
32
33namespace mysql::utils {
34
35/// True if Type is a const reference.
36template <class Type>
37concept Is_const_ref =
38 std::is_reference_v<Type> && std::is_const_v<std::remove_reference_t<Type>>;
39
40} // namespace mysql::utils
41
42// addtogroup GroupLibsMysqlUtils
43/// @}
44
45#endif // ifndef MYSQL_UTILS_TYPE_TRAITS_H
True if Type is a const reference.
Definition: type_traits.h:37
Definition: gtid_format.h:46