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42a4f53d | 1 | /* Copyright (C) 2017-2019 Free Software Foundation, Inc. |
ecfb656c PA |
2 | |
3 | This file is part of GDB. | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #ifndef COMMON_UNDERLYING_H | |
19 | #define COMMON_UNDERLYING_H | |
20 | ||
21 | #include <type_traits> | |
22 | ||
23 | /* Convert an enum to its underlying value. */ | |
24 | ||
25 | template<typename E> | |
26 | constexpr typename std::underlying_type<E>::type | |
27 | to_underlying (E val) noexcept | |
28 | { | |
29 | return static_cast<typename std::underlying_type<E>::type> (val); | |
30 | } | |
31 | ||
32 | #endif |