1 // Variable Templates For system_error -*- C++ -*-
3 // Copyright (C) 2014-2024 Free Software Foundation, Inc.
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
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13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
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.
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22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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25 /** @file experimental/system_error
26 * This is a TS C++ Library header.
31 // N3932 Variable Templates For Type Traits (Revision 1)
34 #ifndef _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR
35 #define _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR 1
37 #ifdef _GLIBCXX_SYSHDR
38 #pragma GCC system_header
41 #include <bits/requires_hosted.h> // experimental is currently omitted
43 #if __cplusplus >= 201402L
45 #include <system_error>
46 #include <experimental/bits/lfts_config.h>
48 namespace std _GLIBCXX_VISIBILITY(default)
50 _GLIBCXX_BEGIN_NAMESPACE_VERSION
52 namespace experimental
54 inline namespace fundamentals_v1
56 // See C++14 19.5, System error support
57 template <typename _Tp>
58 constexpr bool is_error_code_enum_v = is_error_code_enum<_Tp>::value;
59 template <typename _Tp>
60 constexpr bool is_error_condition_enum_v =
61 is_error_condition_enum<_Tp>::value;
62 } // namespace fundamentals_v1
63 } // namespace experimental
65 _GLIBCXX_END_NAMESPACE_VERSION
68 #endif // __cplusplus <= 201103L
70 #endif // _GLIBCXX_EXPERIMENTAL_SYSTEM_ERROR