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 
24 enum class _LIBCPP_ENUM_VIS chars_format { scientific = 0x1, fixed = 0x2, hex = 0x4, general = fixed | scientific };
25 
26 inline _LIBCPP_HIDE_FROM_ABI constexpr chars_format operator~(chars_format __x) {
27   return chars_format(~std::__to_underlying(__x));
28 }
29 
30 inline _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 
34 inline _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 
38 inline _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 
42 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 chars_format&
43 operator&=(chars_format& __x, chars_format __y) {
44   __x = __x & __y;
45   return __x;
46 }
47 
48 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 chars_format&
49 operator|=(chars_format& __x, chars_format __y) {
50   __x = __x | __y;
51   return __x;
52 }
53 
54 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 chars_format&
55 operator^=(chars_format& __x, chars_format __y) {
56   __x = __x ^ __y;
57   return __x;
58 }
59 
60 #endif // _LIBCPP_STD_VER >= 17
61 
62 _LIBCPP_END_NAMESPACE_STD
63 
64 #endif // _LIBCPP___CHARCONV_CHARS_FORMAT_H
65