2 //===----------------------------------------------------------------------===//
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
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP___CHARCONV_CHARS_FORMAT_H
11 #define _LIBCPP___CHARCONV_CHARS_FORMAT_H
14 #include <__utility/to_underlying.h>
16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17 # pragma GCC system_header
20 _LIBCPP_BEGIN_NAMESPACE_STD
22 #if _LIBCPP_STD_VER >= 17
24 enum class chars_format
{ scientific
= 0x1, fixed
= 0x2, hex
= 0x4, general
= fixed
| scientific
};
26 inline _LIBCPP_HIDE_FROM_ABI
constexpr chars_format
operator~(chars_format __x
) {
27 return chars_format(~std::__to_underlying(__x
));
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
));
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
));
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
));
42 inline _LIBCPP_HIDE_FROM_ABI
constexpr chars_format
& operator&=(chars_format
& __x
, chars_format __y
) {
47 inline _LIBCPP_HIDE_FROM_ABI
constexpr chars_format
& operator|=(chars_format
& __x
, chars_format __y
) {
52 inline _LIBCPP_HIDE_FROM_ABI
constexpr chars_format
& operator^=(chars_format
& __x
, chars_format __y
) {
57 #endif // _LIBCPP_STD_VER >= 17
59 _LIBCPP_END_NAMESPACE_STD
61 #endif // _LIBCPP___CHARCONV_CHARS_FORMAT_H