1// Variable Templates For system_error -*- C++ -*- 2 3// Copyright (C) 2014-2020 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// Under Section 7 of GPL version 3, you are granted additional 17// permissions described in the GCC Runtime Library Exception, version 18// 3.1, as published by the Free Software Foundation. 19 20// You should have received a copy of the GNU General Public License and 21// a copy of the GCC Runtime Library Exception along with this program; 22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23// <http://www.gnu.org/licenses/>. 24 25/** @file experimental/system_error 26 * This is a TS C++ Library header. 27 * @ingroup libfund-ts 28 */ 29 30// 31// N3932 Variable Templates For Type Traits (Revision 1) 32// 33 34#ifndef _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR 35#define _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR 1 36 37#pragma GCC system_header 38 39#if __cplusplus >= 201402L 40 41#include <system_error> 42#include <experimental/bits/lfts_config.h> 43 44namespace std _GLIBCXX_VISIBILITY(default) 45{ 46_GLIBCXX_BEGIN_NAMESPACE_VERSION 47 48namespace experimental 49{ 50inline namespace fundamentals_v1 51{ 52// See C++14 19.5, System error support 53template <typename _Tp> 54 constexpr bool is_error_code_enum_v = is_error_code_enum<_Tp>::value; 55template <typename _Tp> 56 constexpr bool is_error_condition_enum_v = 57 is_error_condition_enum<_Tp>::value; 58} // namespace fundamentals_v1 59} // namespace experimental 60 61_GLIBCXX_END_NAMESPACE_VERSION 62} // namespace std 63 64#endif // __cplusplus <= 201103L 65 66#endif // _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR 67