__cxx03/__charconv/chars_format.h

0001 // -*- C++ -*-
0002 //===----------------------------------------------------------------------===//
0003 //
0004 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0005 // See https://llvm.org/LICENSE.txt for license information.
0006 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0007 //
0008 //===----------------------------------------------------------------------===//
0009
0010 #ifndef _LIBCPP___CXX03___CHARCONV_CHARS_FORMAT_H
0011 #define _LIBCPP___CXX03___CHARCONV_CHARS_FORMAT_H
0012
0013 #include <__cxx03/__config>
0014 #include <__cxx03/__utility/to_underlying.h>
0015
0016 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0017 #  pragma GCC system_header
0018 #endif
0019
0020 _LIBCPP_BEGIN_NAMESPACE_STD
0021
0022 #if _LIBCPP_STD_VER >= 17
0023
0024 enum class chars_format { scientific = 0x1, fixed = 0x2, hex = 0x4, general = fixed | scientific };
0025
0026 inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator~(chars_format __x) {
0027   return chars_format(~std::__to_underlying(__x));
0028 }
0029
0030 inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator&(chars_format __x, chars_format __y) {
0031   return chars_format(std::__to_underlying(__x) & std::__to_underlying(__y));
0032 }
0033
0034 inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator|(chars_format __x, chars_format __y) {
0035   return chars_format(std::__to_underlying(__x) | std::__to_underlying(__y));
0036 }
0037
0038 inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator^(chars_format __x, chars_format __y) {
0039   return chars_format(std::__to_underlying(__x) ^ std::__to_underlying(__y));
0040 }
0041
0042 inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format& operator&=(chars_format& __x, chars_format __y) {
0043   __x = __x & __y;
0044   return __x;
0045 }
0046
0047 inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format& operator|=(chars_format& __x, chars_format __y) {
0048   __x = __x | __y;
0049   return __x;
0050 }
0051
0052 inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format& operator^=(chars_format& __x, chars_format __y) {
0053   __x = __x ^ __y;
0054   return __x;
0055 }
0056
0057 #endif // _LIBCPP_STD_VER >= 17
0058
0059 _LIBCPP_END_NAMESPACE_STD
0060
0061 #endif // _LIBCPP___CXX03___CHARCONV_CHARS_FORMAT_H