1/* Compatibility wrapper around std::result_of and std::invoke_result. 2 3 Copyright (C) 2022-2023 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20#ifndef GDBSUPPORT_INVOKE_RESULT_H 21#define GDBSUPPORT_INVOKE_RESULT_H 22 23#include <type_traits> 24 25namespace gdb 26{ 27#if __cplusplus >= 201703L 28template<typename Callable, class... Args> 29using invoke_result = std::invoke_result<Callable, Args...>; 30#else 31template<typename Callable, typename... Args> 32using invoke_result = std::result_of<Callable (Args...)>; 33#endif 34 35} /* namespace gdb */ 36 37#endif /* GDBSUPPORT_INVOKE_RESULT_H */ 38