/usr/include/c++/8/experimental
Edit: /usr/include/c++/8/experimental/system_error (2023B)
// Variable Templates For system_error -*- C++ -*-
// Copyright (C) 2014-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
//
.
/** @file experimental/system_error
* This is a TS C++ Library header.
*/
//
// N3932 Variable Templates For Type Traits (Revision 1)
//
#ifndef _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR
#define _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR 1
#pragma GCC system_header
#if __cplusplus >= 201402L
#include
#include
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
namespace experimental
{
inline namespace fundamentals_v1
{
// See C++14 §19.5, System error support
template
constexpr bool is_error_code_enum_v = is_error_code_enum<_Tp>::value;
template
constexpr bool is_error_condition_enum_v =
is_error_condition_enum<_Tp>::value;
} // namespace fundamentals_v1
} // namespace experimental
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif // __cplusplus <= 201103L
#endif // _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR