1// -*- C++ -*-
 2//===----------------------------------------------------------------------===//
 3//
 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 5// See https://llvm.org/LICENSE.txt for license information.
 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 7//
 8//===----------------------------------------------------------------------===//
 9
10#ifndef _LIBCPP___CHARCONV_CHARS_FORMAT_H
11#define _LIBCPP___CHARCONV_CHARS_FORMAT_H
12
13#include <__config>
14#include <__utility/to_underlying.h>
15
16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17#  pragma GCC system_header
18#endif
19
20_LIBCPP_BEGIN_NAMESPACE_STD
21
22#if _LIBCPP_STD_VER >= 17
23
24enum class chars_format { scientific = 0x1, fixed = 0x2, hex = 0x4, general = fixed | scientific };
25
26inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator~(chars_format __x) {
27  return chars_format(~std::__to_underlying(__x));
28}
29
30inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator&(chars_format __x, chars_format __y) {
31  return chars_format(std::__to_underlying(__x) & std::__to_underlying(__y));
32}
33
34inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator|(chars_format __x, chars_format __y) {
35  return chars_format(std::__to_underlying(__x) | std::__to_underlying(__y));
36}
37
38inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator^(chars_format __x, chars_format __y) {
39  return chars_format(std::__to_underlying(__x) ^ std::__to_underlying(__y));
40}
41
42inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format& operator&=(chars_format& __x, chars_format __y) {
43  __x = __x & __y;
44  return __x;
45}
46
47inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format& operator|=(chars_format& __x, chars_format __y) {
48  __x = __x | __y;
49  return __x;
50}
51
52inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format& operator^=(chars_format& __x, chars_format __y) {
53  __x = __x ^ __y;
54  return __x;
55}
56
57#endif // _LIBCPP_STD_VER >= 17
58
59_LIBCPP_END_NAMESPACE_STD
60
61#endif // _LIBCPP___CHARCONV_CHARS_FORMAT_H