1 /* Copyright (C) 2017 Free Software Foundation, Inc.
3 This file is part of GDB.
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.
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.
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/>. */
18 #ifndef COMMON_TRAITS_H
19 #define COMMON_TRAITS_H
23 /* Pre C++14-safe (CWG 1558) version of C++17's std::void_t. See
24 <http://en.cppreference.com/w/cpp/types/void_t>. */
26 template<typename
... Ts
>
27 struct make_void
{ typedef void type
; };
29 template<typename
... Ts
>
30 using void_t
= typename make_void
<Ts
...>::type
;
34 #endif /* COMMON_TRAITS_H */
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